Product Description
Product Parameters
| Model | 2xz-0.5 | 2xz-1 | 2xz-2 | 2xz-4 | |
| Pumping Speed L/S(m³/h) | 0.5(1.8) | 1(3.6) | 2(7.2) | 4(14.4) | |
| Extreme Pressure(Pa) | Partial Pressure | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 |
| Full Pressure | ≤1.33 | ≤1.33 | ≤1.33 | ≤1.33 | |
| Rotating Speed r/min(50/60Hz) | 1400/1700 | 1400/1700 | 1400/1700 | 1400 | |
| Voltage(v) | 220 | 220/380 | 220/380 | 220/380 | |
| Motor Power(kw) | 0.18 | 0.25 | 0.37 | 0.55 | |
| Inlet Diameter (Outer Diameter)mm | G3/8(∅12) | G3/8(∅12) | G3/4(∅12) | G3/4(∅12) | |
| KF-16 | KF-16 | KF-25 | KF-25 | ||
| Noise(dBA) | 62 | 62 | 63 | 64 | |
| Oil volume (L) | 0.6 | 0.7 | 1 | 1.1 | |
| Size(mm) | 538*215*360 | 538*215*360 | 580*215*367 | 580*215*367 | |
| Gross/Net Weight(kg) | 17/16 | 18/17 | 22/20 | 25/22 | |
| Model | 2xz-2B | 2xz-4B | 2xz-6B | 2xz-8B | 2xz-15B | 2xz-25B | |
| Pumping Speed L/S(m³/h) | 2(7.2) | 4(14.4) | 6(21.6) | 8(28.8) | 15(54) | 25(90) | |
| Extreme Pressure(Pa) | Partial Pressure | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 | ≤4×10-2 |
| Full Pressure | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |
| Rotating Speed r/min(50/60Hz) | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | 1400/1700 | |
| Voltage(v) | 220/380 | 220/380 | 220/380 | 380 | 380 | 380 | |
| Motor Power(kw) | 0.37 | 0.55 | 0.75 | 1.5 | 1.5 | 2.2 | |
| Inlet Diameter (Outer Diameter)mm | G3/4 | G3/4 | ∅30 | ∅40 | ∅40 | ∅50 | |
| KF-25 | KF-25 | KF-25 | KF-40 | KF-40 | KF-50 | ||
| Noise(dBA) | 65 | 66 | 68 | 70 | 72 | 74 | |
| Oil volume (L) | 0.8 | 0.95 | 1-1.2 | 2.3-2.5 | 2.8-3.3 | 5.5-6.5 | |
| Size(mm) | 580*215*367 | 580*215*367 | 670*240*320 | 720*270*390 | 770*270*390 | 900*320*550 | |
| Gross/Net Weight(kg) | 22/20 | 25/22 | 46/40 | 68/52 | 75/62 | 90/70 | |
Product Description
Rotary Vane Vacuum Pump is the basic equipment used to remove gas from sealed containers. It can be used alone, also can be used for booster pump, diffusion pump, molecular pump before the pump, maintenance pump, titanium pump pre-pumping pump, It can be used for vacuum drying, CHINAMFG drying, vacuum degassing, vacuum packaging, vacuum adsorption, vacuum forming, coating, food packaging, printing, sputtering, vacuum casting, instruments, instruments, refrigerators, air conditioning lines and laboratories and other vacuum operations and supporting use.
· Due to the thorough low noise design and precision machining, so as to achieve low noise
· Specially designed gas valve is prepared to prevent the pump oil from mixing with water and prolong the service time of the pump oil
· Adopt similar product design, small size, light weight, low noise, easy to start
· Equipped with vacuum drying oven, freeze-drying machine, printing machinery
· It can be equipped with small-caliber adapter, KF interface and flange interface
Application
· Rotary Vane Vacuum Pump corollary use with freezer dryer to reach vacuum state, it’s an essential corollary equipment in medicine CHINAMFG drying, biology, food industry and agricultural products deep processing
· Rotary Vane Vacuum Pump corollary use with vacuum drying oven for maintaining vacuum state inside the oven, they mainly applies in powder drying and baking in vacuum condition
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Warranty: | 1 Year |
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| Oil or Not: | Oil |
| Structure: | Multistage Pump |
| Customization: |
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What Is the Vacuum Level and How Is It Measured in Vacuum Pumps?
The vacuum level refers to the degree of pressure below atmospheric pressure in a vacuum system. It indicates the level of “emptiness” or the absence of gas molecules in the system. Here’s a detailed explanation of vacuum level measurement in vacuum pumps:
Vacuum level is typically measured using pressure units that represent the difference between the pressure in the vacuum system and atmospheric pressure. The most common unit of measurement for vacuum level is the Pascal (Pa), which is the SI unit. Other commonly used units include Torr, millibar (mbar), and inches of mercury (inHg).
Vacuum pumps are equipped with pressure sensors or gauges that measure the pressure within the vacuum system. These gauges are specifically designed to measure the low pressures encountered in vacuum applications. There are several types of pressure gauges used for measuring vacuum levels:
1. Pirani Gauge: Pirani gauges operate based on the thermal conductivity of gases. They consist of a heated element exposed to the vacuum environment. As gas molecules collide with the heated element, they transfer heat away, causing a change in temperature. By measuring the change in temperature, the pressure can be inferred, allowing the determination of the vacuum level.
2. Thermocouple Gauge: Thermocouple gauges utilize the thermal conductivity of gases similar to Pirani gauges. They consist of two dissimilar metal wires joined together, forming a thermocouple. As gas molecules collide with the thermocouple, they cause a temperature difference between the wires, generating a voltage. The voltage is proportional to the pressure and can be calibrated to provide a reading of the vacuum level.
3. Capacitance Manometer: Capacitance manometers measure pressure by detecting the change in capacitance between two electrodes caused by the deflection of a flexible diaphragm. As the pressure in the vacuum system changes, the diaphragm moves, altering the capacitance and providing a measurement of the vacuum level.
4. Ionization Gauge: Ionization gauges operate by ionizing gas molecules in the vacuum system and measuring the resulting electrical current. The ion current is proportional to the pressure, allowing the determination of the vacuum level. There are different types of ionization gauges, such as hot cathode, cold cathode, and Bayard-Alpert gauges.
5. Baratron Gauge: Baratron gauges utilize the principle of capacitance manometry but with a different design. They consist of a pressure-sensing diaphragm separated by a small gap from a reference electrode. The pressure difference between the vacuum system and the reference electrode causes the diaphragm to deflect, changing the capacitance and providing a measurement of the vacuum level.
It’s important to note that different types of vacuum pumps may have different pressure ranges and may require specific pressure gauges suitable for their operating conditions. Additionally, vacuum pumps are often equipped with multiple gauges to provide information about the pressure at different stages of the pumping process or in different parts of the system.
In summary, vacuum level refers to the pressure below atmospheric pressure in a vacuum system. It is measured using pressure gauges specifically designed for low-pressure environments. Common types of pressure gauges used in vacuum pumps include Pirani gauges, thermocouple gauges, capacitance manometers, ionization gauges, and Baratron gauges.
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What Is the Role of Vacuum Pumps in Pharmaceutical Manufacturing?
Vacuum pumps play a crucial role in various aspects of pharmaceutical manufacturing. Here’s a detailed explanation:
Vacuum pumps are extensively used in pharmaceutical manufacturing processes to support a range of critical operations. Some of the key roles of vacuum pumps in pharmaceutical manufacturing include:
1. Drying and Evaporation: Vacuum pumps are employed in drying and evaporation processes within the pharmaceutical industry. They facilitate the removal of moisture or solvents from pharmaceutical products or intermediates. Vacuum drying chambers or evaporators utilize vacuum pumps to create low-pressure conditions, which lower the boiling points of liquids, allowing them to evaporate at lower temperatures. By applying vacuum, moisture or solvents can be efficiently removed from substances such as active pharmaceutical ingredients (APIs), granules, powders, or coatings, ensuring the desired product quality and stability.
2. Filtration and Filtrate Recovery: Vacuum pumps are used in filtration processes for the separation of solid-liquid mixtures. Vacuum filtration systems typically employ a filter medium, such as filter paper or membranes, to retain solids while allowing the liquid portion to pass through. By applying vacuum to the filtration apparatus, the liquid is drawn through the filter medium, leaving behind the solids. Vacuum pumps facilitate efficient filtration, speeding up the process and improving product quality. Additionally, vacuum pumps can aid in filtrate recovery by collecting and transferring the filtrate for further processing or reuse.
3. Distillation and Purification: Vacuum pumps are essential in distillation and purification processes within the pharmaceutical industry. Distillation involves the separation of liquid mixtures based on their different boiling points. By creating a vacuum environment, vacuum pumps lower the boiling points of the components, allowing them to vaporize and separate more easily. This enables efficient separation and purification of pharmaceutical compounds, including the removal of impurities or the isolation of specific components. Vacuum pumps are utilized in various distillation setups, such as rotary evaporators or thin film evaporators, to achieve precise control over the distillation conditions.
4. Freeze Drying (Lyophilization): Vacuum pumps are integral to the freeze drying process, also known as lyophilization. Lyophilization is a dehydration technique that involves the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. Vacuum pumps create a low-pressure environment in freeze drying chambers, allowing the frozen product to undergo sublimation. During sublimation, the frozen water or solvent directly transitions from the solid phase to the vapor phase, bypassing the liquid phase. Vacuum pumps facilitate efficient and controlled sublimation, leading to the production of stable, shelf-stable pharmaceutical products with extended shelf life.
5. Tablet and Capsule Manufacturing: Vacuum pumps are utilized in tablet and capsule manufacturing processes. They are involved in the creation of vacuum within tablet presses or capsule filling machines. By applying vacuum, the air is removed from the die cavity or capsule cavity, allowing for the precise filling of powders or granules. Vacuum pumps contribute to the production of uniform and well-formed tablets or capsules by ensuring accurate dosing and minimizing air entrapment, which can affect the final product quality.
6. Sterilization and Decontamination: Vacuum pumps are employed in sterilization and decontamination processes within the pharmaceutical industry. Autoclaves and sterilizers utilize vacuum pumps to create a vacuum environment before introducing steam or chemical sterilants. By removing air or gases from the chamber, vacuum pumps assist in achieving effective sterilization or decontamination by enhancing the penetration and distribution of sterilants. Vacuum pumps also aid in the removal of sterilants and residues after the sterilization process is complete.
It’s important to note that different types of vacuum pumps, such as rotary vane pumps, dry screw pumps, or liquid ring pumps, may be utilized in pharmaceutical manufacturing depending on the specific requirements of the process and the compatibility with pharmaceutical products.
In summary, vacuum pumps play a vital role in various stages of pharmaceutical manufacturing, including drying and evaporation, filtration and filtrate recovery, distillation and purification, freeze drying (lyophilization), tablet and capsule manufacturing, as well as sterilization and decontamination. By enabling efficient and controlled processes, vacuum pumps contribute to the production of high-quality pharmaceutical products, ensuring the desired characteristics, stability, and safety.
Can Vacuum Pumps Be Used in Food Processing?
Yes, vacuum pumps are widely used in food processing for various applications. Here’s a detailed explanation:
Vacuum pumps play a crucial role in the food processing industry by enabling the creation and maintenance of vacuum or low-pressure environments. They offer several benefits in terms of food preservation, packaging, and processing. Here are some common applications of vacuum pumps in food processing:
1. Vacuum Packaging: Vacuum pumps are extensively used in vacuum packaging processes. Vacuum packaging involves removing air from the packaging container to create a vacuum-sealed environment. This process helps extend the shelf life of food products by inhibiting the growth of spoilage-causing microorganisms and reducing oxidation. Vacuum pumps are used to evacuate the air from the packaging, ensuring a tight seal and maintaining the quality and freshness of the food.
2. Freeze Drying: Vacuum pumps are essential in freeze drying or lyophilization processes used in food processing. Freeze drying involves removing moisture from food products while they are frozen, preserving their texture, flavor, and nutritional content. Vacuum pumps create a low-pressure environment that allows frozen water to directly sublimate from solid to vapor, resulting in the removal of moisture from the food without causing damage or loss of quality.
3. Vacuum Cooling: Vacuum pumps are utilized in vacuum cooling processes for rapid and efficient cooling of food products. Vacuum cooling involves placing the food in a vacuum chamber and reducing the pressure. This lowers the boiling point of water, facilitating the rapid evaporation of moisture and heat from the food, thereby cooling it quickly. Vacuum cooling helps maintain the freshness, texture, and quality of delicate food items such as fruits, vegetables, and bakery products.
4. Vacuum Concentration: Vacuum pumps are employed in vacuum concentration processes in the food industry. Vacuum concentration involves removing excess moisture from liquid food products to increase their solids content. By creating a vacuum, the boiling point of the liquid is reduced, allowing for gentle evaporation of water while preserving the desired flavors, nutrients, and viscosity of the product. Vacuum concentration is commonly used in the production of juices, sauces, and concentrates.
5. Vacuum Mixing and Deaeration: Vacuum pumps are used in mixing and deaeration processes in food processing. In the production of certain food products such as chocolates, confectioneries, and sauces, vacuum mixing is employed to remove air bubbles, achieve homogeneity, and improve product texture. Vacuum pumps aid in the removal of entrapped air and gases, resulting in smooth and uniform food products.
6. Vacuum Filtration: Vacuum pumps are utilized in food processing for vacuum filtration applications. Vacuum filtration involves separating solids from liquids or gases using a filter medium. Vacuum pumps create suction that draws the liquid or gas through the filter, leaving behind the solid particles. Vacuum filtration is commonly used in processes such as clarifying liquids, removing impurities, and separating solids from liquids in the production of beverages, oils, and dairy products.
7. Marinating and Brining: Vacuum pumps are employed in marinating and brining processes in the food industry. By applying a vacuum to the marinating or brining container, the pressure is reduced, allowing the marinade or brine to penetrate the food more efficiently. Vacuum marinating and brining help enhance flavor absorption, reduce marinating time, and improve the overall taste and texture of the food.
8. Controlled Atmosphere Packaging: Vacuum pumps are used in controlled atmosphere packaging (CAP) systems in the food industry. CAP involves modifying the gas composition within food packaging to extend the shelf life and maintain the quality of perishable products. Vacuum pumps aid in the removal of oxygen or other unwanted gases from the package, allowing the introduction of a desired gas mixture that preserves the food’s freshness and inhibits microbial growth.
These are just a few examples of how vacuum pumps are used in food processing. The ability to create and control vacuum or low-pressure environments is a valuable asset in preserving food quality, enhancing shelf life, and facilitating various processing techniques in the food industry.
editor by Dream 2024-05-13
China factory 5kw Food Factory Stainless Steel 2BV Series Vacuum Electric Liquid Ring Bomba De Vacio Vacuum Pump a/c vacuum pump
Product Description
Product Description
2BE liquid ring vacuum pump is CZPT liquid ring vacuum pump and is used to transport gases and vapors, predominantly for intake pressures below atmospheric pressure. Our 2BE liquid ring vacuum pump is available in 20 models, and is ATEX Certified. It offered It offered Suction capacity from 150 to 38000m³/h. It has reliable operation and economic power consumption. We also have 2BE pump with Partition wall in pump casing special for paper industry.
We offer same outline dimensions for bolt-on replacement and equivalent performances with original 2BV liquid ring vacuum pump.
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ITEM |
UNIT |
Quantity |
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Supply Ability |
per month |
2,000set |
2BE series water ring vacuum pumps and compressors are the products with high efficiency and economical power, which are manufactured by our company integrating with the advanced technology of the imported products from Germany. These series products adopt CZPT and single action structure and have many advantages, such as, compact structure, convenient maintenance, reliable running, high efficiency and economical power. Comparing with the SK, 2SK, SZ series water ring vacuum pumps used widely in our country at present, the 2BE series products are the ideal replacements of them for high vacuum, low power, and running reliability
Product Series
Company Profile
Certifications
Packaging & Shipping
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service |
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| Warranty: | 1 Year |
| Oil or Not: | Oil |
| Structure: | Rotary Vacuum Pump |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Samples: |
US$ 10000/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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Types of vacuum pumps
A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.
Forward centrifugal pump
Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.
Self-priming centrifugal pump
Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.
Screw Pump
The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely. 
Diaphragm Pump
Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.
Atmospheric pressure is a key factor in a vacuum pump system
Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages. 
The screw pump is less efficient in pumping gases with smaller molecular weight
Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.
editor by Dream 2024-05-13
China supplier 132-250kw Water Liquid Ring 2bea-403 Vacuum Pump vacuum pump distributors
Product Description
Product Description
2BEA water ring vacuum pump is a high-efficiency and energy-saving product, usually used for gases of non-solid particles, insoluble in water, non-corrosive. By changing the structural material, it can also be used to pump corrosive gases or use corrosive liquids as working fluid. It is widely used in pulp and paper, chemical, petrochemical, light industry, pharmaceutical, food, building materials, electrical appliances, coal washing, mineral processing, fertilizer and other industries.
In the coal industry, it can especially pump highly flammable and explosive gases, such as gas and methane, and can be designed and installed in ground gas pumping stations and can be equipped with mobile gas pumping systems. This series of pump adopts the structure form of single-stage and single-acting, which has the advantages of simple structure, easy maintenance, reliable operation, high efficiency and energy saving, and can adapt to the severe working conditions such as large drainage volume and load shock wave.
Technical data
| Model | Ultimate Pressure | Pump rotation speed | Pumping Speed | Motor Power | Driving Mode | Motor voltage | Inlet Dia. | Outlet Dia. |
| hpa | r/min | m³/min | KW | mm | mm | |||
| 2BEA-103-0 | 33 | 1300 | 4.9 | 11 | Belt | 380V | 65 | 65 |
| 1450 | 5.6 | 11 | Coupling | |||||
| 1625 | 6.2 | 15 | Belt | |||||
| 1750 | 6.7 | 15 | Belt | |||||
| 2BEA-153-0 | 33 | 1100 | 7.4 | 15 | Belt | 380V | 100 | 100 |
| 1300 | 8.9 | 18.5 | Belt | |||||
| 1450 | 10 | 18.5 | Coupling | |||||
| 1625 | 10.8 | 22 | Belt | |||||
| 1750 | 11.5 | 30 | Belt | |||||
| 2BEA-202-0 | 33 | 790 | 9.5 | 18.5 | Belt | 380V | 125 | 125 |
| 880 | 11 | 18.5 | Belt | |||||
| 980 | 12 | 22 | Coupling | |||||
| 1100 | 14 | 30 | Belt | |||||
| 1170 | 15 | 30 | Belt | |||||
| 2BEA-203-0 | 33 | 790 | 14 | 30 | Belt | 380V | 125 | 125 |
| 880 | 16 | 30 | Belt | |||||
| 980 | 18 | 37 | Coupling | |||||
| 1100 | 20 | 45 | Belt | |||||
| 1170 | 21 | 45 | Belt | |||||
| 2BEA-252-0 | 33 | 565 | 20 | 30 | Belt | 380V | 150 | 150 |
| 590 | 22 | 30 | Coupling | |||||
| 660 | 25 | 37 | Belt | |||||
| 740 | 28 | 45 | Coupling | |||||
| 820 | 30 | 55 | Belt | |||||
| 880 | 33 | 75 | Belt | |||||
| 2BEA-253-0 | 33 | 565 | 28 | 45 | Belt | 380V | 150 | 150 |
| 590 | 30 | 45 | Coupling | |||||
| 660 | 35 | 55 | Belt | |||||
| 740 | 39 | 75 | Coupling | |||||
| 820 | 43 | 90 | Belt | |||||
| 880 | 47 | 90 | Belt | |||||
| 2BEA-303-0 | 33 | 472 | 43 | 55 | Belt | 380V | 200 | 200 |
| 520 | 45 | 75 | Belt | |||||
| 530 | 48 | 75 | Belt | |||||
| 590 | 52 | 75 | Coupling | |||||
| 660 | 58 | 90 | Belt | |||||
| 740 | 67 | 110 | Coupling | |||||
| 2BEA-353-0 | 33 | 390 | 55 | 75 | Belt | 380V | 250 | 250 |
| 415 | 58 | 90 | Belt | |||||
| 464 | 65 | 110 | Belt | |||||
| 520 | 72 | 132 | Belt | |||||
| 590 | 81 | 160 | Coupling | |||||
| 2BEA-403-0 | 33 | 330 | 78 | 132 | Belt | 380V | 300 | 300 |
| 372 | 85 | 160 | Belt | |||||
| 420 | 97 | 185 | Belt | |||||
| 472 | 110 | 200 | Belt | |||||
| 530 | 122 | 250 | Belt | |||||
| Model | Ultimate Pressure | Pump rotation speed | Pumping Speed | Motor Power | Driving Mode | Motor voltage | Inlet Dia. | Outlet Dia. |
| hpa | r/min | m³/min | KW | mm | mm | |||
| 2BEA-355-1 | 160 | 372 | 61 | 90 | Belt | 380V | 250 | 250 |
| 420 | 71 | 110 | Belt | 380V | ||||
| 472 | 79 | 110 | Belt | 380V | ||||
| 500 | 83 | 132 | Belt | 380V | ||||
| 530 | 88 | 132 | Belt | 380V | ||||
| 590 | 95 | 160 | Coupling | 380V | ||||
| 2BEA-405-1 | 160 | 330 | 93 | 132 | Belt or Gear | 380V | 300 | 300 |
| 372 | 106 | 160 | 380V | |||||
| 420 | 119 | 185 | 380V | |||||
| 472 | 130 | 220 | 380V | |||||
| 530 | 141 | 280 | 380V | |||||
| 2BEA-505-1 | 160 | 266 | 121 | 160 | Belt or Gear | 380V | 350 | 350 |
| 298 | 139 | 185 | 380V | |||||
| 330 | 153 | 220 | 380V | |||||
| 372 | 169 | 250 | 6KV | |||||
| 420 | 186 | 315 | 6KV | |||||
| 2BEA-605-1 | 160 | 220 | 168 | 220 | Gear | 6KV | 400 | 400 |
| 236 | 181 | 250 | 6KV | |||||
| 246 | 188 | 280 | 6KV | |||||
| 266 | 206 | 280 | 6KV | |||||
| 276 | 210 | 315 | 6KV | |||||
| 298 | 228 | 355 | 6KV | |||||
| 312 | 234 | 355 | 6KV | |||||
| 2BEA-705-1 | 160 | 197 | 259 | 355 | Gear | 6KV or 10KV | 500 | 500 |
FAQ
Q: What information should I offer for an inquiry?
A: You can inquire based on the model directly, but it is always recommended that you contact us so that we can help you to check if the pump is the most appropriate for your application.
Q: Can you make a customized vacuum pump?
A: Yes, we can do some special designs to meet customer applications. Such as customized sealing systems, speical surface treatment can be applied for roots vacuum pump and screw vacuum pump. Please contact us if you have special requirements.
Q: I have problems with our vacuum pumps or vacuum systems, can you offer some help?
A: We have application and design engineers with more than 30 years of experience in vacuum applications in different industries and help a lot of customers resolve their problems, such as leakage issues, energy-saving solutions, more environment-friendly vacuum systems, etc. Please contact us and we’ll be very happy if we can offer any help to your vacuum system.
Q: Can you design and make customized vacuum systems?
A: Yes, we are good for this.
Q: What is your MOQ?
A: 1 piece or 1 set.
Q: How about your delivery time?
A: 5-10 working days for the standard vacuum pump if the quantity is below 20 pieces, 20-30 working days for the conventional vacuum system with less than 5 sets. For more quantity or special requirements, please contact us to check the lead time.
Q: What are your payment terms?
A: By T/T, 50% advance payment/deposit and 50% paid before shipment.
Q: How about the warranty?
A: We offer 1-year warranty (except for the wearing parts).
Q: How about the service?
A: We offer remote video technical support. We can send the service engineer to the site for some special requirements.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Video Instruction |
|---|---|
| Warranty: | 1 Year |
| Nominal Pumping Speed: | 78~122m3/Min |
| Ultimate Pressure: | 33 Hpa |
| Motor Voltage: | 380V |
| Driving Mode: | Belt |
How Are Vacuum Pumps Employed in the Production of Electronic Components?
Vacuum pumps play a crucial role in the production of electronic components. Here’s a detailed explanation:
The production of electronic components often requires controlled environments with low or no atmospheric pressure. Vacuum pumps are employed in various stages of the production process to create and maintain these vacuum conditions. Here are some key ways in which vacuum pumps are used in the production of electronic components:
1. Deposition Processes: Vacuum pumps are extensively used in deposition processes, such as physical vapor deposition (PVD) and chemical vapor deposition (CVD), which are commonly employed for thin film deposition on electronic components. These processes involve the deposition of materials onto substrates in a vacuum chamber. Vacuum pumps help create and maintain the necessary vacuum conditions required for precise and controlled deposition of the thin films.
2. Etching and Cleaning: Etching and cleaning processes are essential in the fabrication of electronic components. Vacuum pumps are used to create a vacuum environment in etching and cleaning chambers, where reactive gases or plasmas are employed to remove unwanted materials or residues from the surfaces of the components. The vacuum pumps help evacuate the chamber and ensure the efficient removal of byproducts and waste gases.
3. Drying and Bake-out: Vacuum pumps are utilized in the drying and bake-out processes of electronic components. After wet processes, such as cleaning or wet etching, components need to be dried thoroughly. Vacuum pumps help create a vacuum environment that facilitates the removal of moisture or solvents from the components, ensuring their dryness before subsequent processing steps. Additionally, vacuum bake-out is employed to remove moisture or other contaminants trapped within the components’ materials or structures, enhancing their reliability and performance.
4. Encapsulation and Packaging: Vacuum pumps are involved in the encapsulation and packaging stages of electronic component production. These processes often require the use of vacuum-sealed packaging to protect the components from environmental factors such as moisture, dust, or oxidation. Vacuum pumps assist in evacuating the packaging materials, creating a vacuum-sealed environment that helps maintain the integrity and longevity of the electronic components.
5. Testing and Quality Control: Vacuum pumps are utilized in testing and quality control processes for electronic components. Some types of testing, such as hermeticity testing, require the creation of a vacuum environment for evaluating the sealing integrity of electronic packages. Vacuum pumps help evacuate the testing chambers, ensuring accurate and reliable test results.
6. Soldering and Brazing: Vacuum pumps play a role in soldering and brazing processes for joining electronic components and assemblies. Vacuum soldering is a technique used to achieve high-quality solder joints by removing air and reducing the risk of voids, flux residuals, or oxidation. Vacuum pumps assist in evacuating the soldering chambers, creating the required vacuum conditions for precise and reliable soldering or brazing.
7. Surface Treatment: Vacuum pumps are employed in surface treatment processes for electronic components. These processes include plasma cleaning, surface activation, or surface modification techniques. Vacuum pumps help create the necessary vacuum environment where plasma or reactive gases are used to treat the component surfaces, improving adhesion, promoting bonding, or altering surface properties.
It’s important to note that different types of vacuum pumps may be used in electronic component production, depending on the specific process requirements. Commonly used vacuum pump technologies include rotary vane pumps, turbo pumps, cryogenic pumps, and dry pumps.
In summary, vacuum pumps are essential in the production of electronic components, facilitating deposition processes, etching and cleaning operations, drying and bake-out stages, encapsulation and packaging, testing and quality control, soldering and brazing, as well as surface treatment. They enable the creation and maintenance of controlled vacuum environments, ensuring precise and reliable manufacturing processes for electronic components.
How Do Vacuum Pumps Assist in Freeze-Drying Processes?
Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:
During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).
1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.
2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.
The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.
3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.
The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.
By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.
Can Vacuum Pumps Be Used in the Medical Field?
Yes, vacuum pumps have a wide range of applications in the medical field. Here’s a detailed explanation:
Vacuum pumps play a crucial role in various medical applications, providing suction or creating controlled vacuum environments. Here are some key areas where vacuum pumps are used in the medical field:
1. Negative Pressure Wound Therapy (NPWT):
Vacuum pumps are extensively utilized in negative pressure wound therapy, a technique used to promote wound healing. In NPWT, a vacuum pump creates a controlled low-pressure environment within a wound dressing, facilitating the removal of excess fluid, promoting blood flow, and accelerating the healing process.
2. Surgical Suction:
Vacuum pumps are an integral part of surgical suction systems. They provide the necessary suction force to remove fluids, gases, or debris from the surgical site during procedures. Surgical suction helps maintain a clear field of view for surgeons, enhances tissue visualization, and contributes to a sterile operating environment.
3. Anesthesia:
In anesthesia machines, vacuum pumps are used to create suction for various purposes:
– Airway Suction: Vacuum pumps assist in airway suctioning to clear secretions or obstructions from the patient’s airway during anesthesia or emergency situations.
– Evacuation of Gases: Vacuum pumps aid in removing exhaled gases from the patient’s breathing circuit, ensuring the delivery of fresh gas mixtures and maintaining appropriate anesthesia levels.
4. Laboratory Equipment:
Vacuum pumps are essential components in various medical laboratory equipment:
– Vacuum Ovens: Vacuum pumps are used in vacuum drying ovens, which are utilized for controlled drying or heat treatment of sensitive materials, samples, or laboratory glassware.
– Centrifugal Concentrators: Vacuum pumps are employed in centrifugal concentrators to facilitate the concentration or dehydration of biological samples, such as DNA, proteins, or viruses.
– Freeze Dryers: Vacuum pumps play a vital role in freeze-drying processes, where samples are frozen and then subjected to vacuum conditions to remove water via sublimation, preserving the sample’s structure and integrity.
5. Medical Suction Devices:
Vacuum pumps are utilized in standalone medical suction devices, commonly found in hospitals, clinics, and emergency settings. These devices create suction required for various medical procedures, including:
– Suctioning of Respiratory Secretions: Vacuum pumps assist in removing respiratory secretions or excess fluids from the airways of patients who have difficulty coughing or clearing their airways effectively.
– Thoracic Drainage: Vacuum pumps are used in chest drainage systems to evacuate air or fluid from the pleural cavity, helping in the treatment of conditions such as pneumothorax or pleural effusion.
– Obstetrics and Gynecology: Vacuum pumps are employed in devices used for vacuum-assisted deliveries, such as vacuum extractors, to aid in the safe delivery of babies during childbirth.
6. Blood Collection and Processing:
Vacuum pumps are utilized in blood collection systems and blood processing equipment:
– Blood Collection Tubes: Vacuum pumps are responsible for creating the vacuum inside blood collection tubes, facilitating the collection of blood samples for diagnostic testing.
– Blood Separation and Centrifugation: In blood processing equipment, vacuum pumps assist in the separation of blood components, such as red blood cells, plasma, and platelets, for various medical procedures and treatments.
7. Medical Imaging:
Vacuum pumps are used in certain medical imaging techniques:
– Electron Microscopy: Electron microscopes, including scanning electron microscopes and transmission electron microscopes, require a vacuum environment for high-resolution imaging. Vacuum pumps are employed to maintain the necessary vacuum conditions within the microscope chambers.
These are just a few examples of the wide-ranging applications of vacuum pumps in the medical field. Their ability to create suction and controlled vacuum environments makes them indispensable in medical procedures, wound healing, laboratory processes, anesthesia, and various other medical applications.
editor by Dream 2024-05-10
China high quality Suction Pressure -40kpa Roots Blower Vacuum Pump Food Convey Blower vacuum pump diy
Product Description
Description:
High Negative Pressure Three Lobe Roots Vacuum Pump
1) When running, the ultimate vacuum is as high as 50%.
2) The theoretical displacement range is 1000-10500m3/h.
3) It can be used to transport industrial gases and steam.
4) No sliding friction parts, reducing wear.
5) Environmental protection and safe operation
6)No oil mist in the exhaust.
7)It can meet ATEX standard explosion-proof requirements.
Main structure
| Model | Diameter(mm) | Pressure range Vacuum pressure(Kpa) | Air flow range (M3/min) |
| 5006 | DN100 | -10 ~ – 50 Kpa | 2.12 ~ 13.64 |
| 6008 | DN125 | -10 ~ – 50 Kpa | 3.86 ~ 21.75 |
| 7011 | DN150 | -10 ~ – 50 Kpa | 9.56~33.20 |
| 8016 | DN200 | -10 ~ – 50 Kpa | 12.80~ 49.65 |
Blower Main Parts Materials
| Casing | Cast iron HT 200 |
| Rotor (Impeller &shaft) | QT 500 |
| Gear | 20CrMnTi |
| Bearing | Japanese NSK |
| Oil seal | USA CR |
| Oil tank | Double Oil Tanks, Clean Site |
Impeller CNC machining center
Working shop
Application pictures
Packing & delivery
Our wooden case is with fumigation sign, It is Moisture-proof
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| After-sales Service: | Yes |
|---|---|
| Warranty: | 1 Year |
| Type: | Materials Vacuum Conveying |
| Usage: | Industrial, Agriculture, Hospital, Special Gas Pressurized Conveying |
| Material: | Casting Iron Ht200 |
| Application: | Sewage and Waste Water Treatment |
| Customization: |
Available
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Types of vacuum pumps
A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.
Forward centrifugal pump
Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.
Self-priming centrifugal pump
Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.
Screw Pump
The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.
Diaphragm Pump
Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.
Atmospheric pressure is a key factor in a vacuum pump system
Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.
The screw pump is less efficient in pumping gases with smaller molecular weight
Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.
editor by Dream 2024-05-10
China manufacturer Wholesale Electric Industrial Water/Liquid Ring Vacuum Pump 2BV Rotary Vane Vacuum Pump Horizontal Pump vacuum pump belt
Product Description
Product Description
2BE liquid ring vacuum pump is CHINAMFG liquid ring vacuum pump and is used to transport gases and vapors, predominantly for intake pressures below atmospheric pressure. Our 2BE liquid ring vacuum pump is available in 20 models, and is ATEX Certified. It offered It offered Suction capacity from 150 to 38000m³/h. It has reliable operation and economic power consumption. We also have 2BE pump with Partition wall in pump casing special for paper industry.
We offer same outline dimensions for bolt-on replacement and equivalent performances with original 2BV liquid ring vacuum pump.
|
ITEM |
UNIT |
Quantity |
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Supply Ability |
per month |
2,000set |
2BE series water ring vacuum pumps and compressors are the products with high efficiency and economical power, which are manufactured by our company integrating with the advanced technology of the imported products from Germany. These series products adopt CHINAMFG and single action structure and have many advantages, such as, compact structure, convenient maintenance, reliable running, high efficiency and economical power. Comparing with the SK, 2SK, SZ series water ring vacuum pumps used widely in our country at present, the 2BE series products are the ideal replacements of them for high vacuum, low power, and running reliability
Product Series
Company Profile
Certifications
Packaging & Shipping
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Service |
|---|---|
| Warranty: | 1 Year |
| Oil or Not: | Oil |
| Structure: | Rotary Vacuum Pump |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Samples: |
US$ 10000/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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What Is the Impact of Altitude on Vacuum Pump Performance?
The performance of vacuum pumps can be influenced by the altitude at which they are operated. Here’s a detailed explanation:
Altitude refers to the elevation or height above sea level. As the altitude increases, the atmospheric pressure decreases. This decrease in atmospheric pressure can have several effects on the performance of vacuum pumps:
1. Reduced Suction Capacity: Vacuum pumps rely on the pressure differential between the suction side and the discharge side to create a vacuum. At higher altitudes, where the atmospheric pressure is lower, the pressure differential available for the pump to work against is reduced. This can result in a decrease in the suction capacity of the vacuum pump, meaning it may not be able to achieve the same level of vacuum as it would at lower altitudes.
2. Lower Ultimate Vacuum Level: The ultimate vacuum level, which represents the lowest pressure that a vacuum pump can achieve, is also affected by altitude. As the atmospheric pressure decreases with increasing altitude, the ultimate vacuum level that can be attained by a vacuum pump is limited. The pump may struggle to reach the same level of vacuum as it would at sea level or lower altitudes.
3. Pumping Speed: Pumping speed is a measure of how quickly a vacuum pump can remove gases from a system. At higher altitudes, the reduced atmospheric pressure can lead to a decrease in pumping speed. This means that the vacuum pump may take longer to evacuate a chamber or system to the desired vacuum level.
4. Increased Power Consumption: To compensate for the decreased pressure differential and achieve the desired vacuum level, a vacuum pump operating at higher altitudes may require higher power consumption. The pump needs to work harder to overcome the lower atmospheric pressure and maintain the necessary suction capacity. This increased power consumption can impact energy efficiency and operating costs.
5. Efficiency and Performance Variations: Different types of vacuum pumps may exhibit varying degrees of sensitivity to altitude. Oil-sealed rotary vane pumps, for example, may experience more significant performance variations compared to dry pumps or other pump technologies. The design and operating principles of the vacuum pump can influence its ability to maintain performance at higher altitudes.
It’s important to note that vacuum pump manufacturers typically provide specifications and performance curves for their pumps based on standardized conditions, often at or near sea level. When operating a vacuum pump at higher altitudes, it is advisable to consult the manufacturer’s guidelines and consider any altitude-related limitations or adjustments that may be necessary.
In summary, the altitude at which a vacuum pump operates can have an impact on its performance. The reduced atmospheric pressure at higher altitudes can result in decreased suction capacity, lower ultimate vacuum levels, reduced pumping speed, and potentially increased power consumption. Understanding these effects is crucial for selecting and operating vacuum pumps effectively in different altitude environments.
Can Vacuum Pumps Be Used for Chemical Distillation?
Yes, vacuum pumps are commonly used in chemical distillation processes. Here’s a detailed explanation:
Chemical distillation is a technique used to separate or purify components of a mixture based on their different boiling points. The process involves heating the mixture to evaporate the desired component and then condensing the vapor to collect the purified substance. Vacuum pumps play a crucial role in chemical distillation by creating a reduced pressure environment, which lowers the boiling points of the components and enables distillation at lower temperatures.
Here are some key aspects of using vacuum pumps in chemical distillation:
1. Reduced Pressure: By creating a vacuum or low-pressure environment in the distillation apparatus, vacuum pumps lower the pressure inside the system. This reduction in pressure lowers the boiling points of the components, allowing distillation to occur at temperatures lower than their normal boiling points. This is particularly useful for heat-sensitive or high-boiling-point compounds that would decompose or become thermally degraded at higher temperatures.
2. Increased Boiling Point Separation: Vacuum distillation increases the separation between the boiling points of the components, making it easier to achieve a higher degree of purification. In regular atmospheric distillation, the boiling points of some components may overlap, leading to less effective separation. By operating under vacuum, the boiling points of the components are further apart, improving the selectivity and efficiency of the distillation process.
3. Energy Efficiency: Vacuum distillation can be more energy-efficient compared to distillation under atmospheric conditions. The reduced pressure lowers the required temperature for distillation, resulting in reduced energy consumption and lower operating costs. This is particularly advantageous when dealing with large-scale distillation processes or when distilling heat-sensitive compounds that require careful temperature control.
4. Types of Vacuum Pumps: Different types of vacuum pumps can be used in chemical distillation depending on the specific requirements of the process. Some commonly used vacuum pump types include:
– Rotary Vane Pumps: Rotary vane pumps are widely used in chemical distillation due to their ability to achieve moderate vacuum levels and handle various gases. They work by using rotating vanes to create chambers that expand and contract, enabling the pumping of gas or vapor.
– Diaphragm Pumps: Diaphragm pumps are suitable for smaller-scale distillation processes. They use a flexible diaphragm that moves up and down to create a vacuum and compress the gas or vapor. Diaphragm pumps are often oil-free, making them suitable for applications where avoiding oil contamination is essential.
– Liquid Ring Pumps: Liquid ring pumps can handle more demanding distillation processes and corrosive gases. They rely on a rotating liquid ring to create a seal and compress the gas or vapor. Liquid ring pumps are commonly used in chemical and petrochemical industries.
– Dry Screw Pumps: Dry screw pumps are suitable for high-vacuum distillation processes. They use intermeshing screws to compress and transport gas or vapor. Dry screw pumps are known for their high pumping speeds, low noise levels, and oil-free operation.
Overall, vacuum pumps are integral to chemical distillation processes as they create the necessary reduced pressure environment that enables distillation at lower temperatures. By using vacuum pumps, it is possible to achieve better separation, improve energy efficiency, and handle heat-sensitive compounds effectively. The choice of vacuum pump depends on factors such as the required vacuum level, the scale of the distillation process, and the nature of the compounds being distilled.
What Is a Vacuum Pump, and How Does It Work?
A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:
A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:
1. Sealed Chamber:
The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.
2. Inlet and Outlet:
The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.
3. Mechanical Action:
The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:
– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.
– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.
– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.
4. Gas Evacuation:
As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.
5. Exhaust or Collection:
Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.
6. Pressure Control:
Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.
7. Monitoring and Safety:
Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.
It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.
In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.
editor by Dream 2024-05-10
China Hot selling Liquid (Water) Ring Vacuum Pump (2BE 2BV) , Roots Pump, Air Pump, Oil-Less Piston Vacuum Pump, Nash, Sliding Vane Rotary Vane Vacuum Pump wholesaler
Product Description
Vacuum pump is used in the field of chemical and pharmaceutical factory
Product Description
Dry screw vacuum pump, is the use of a pair of screw, made in the pump shell synchronous high-speed reverse rotation of the effects of the suction and exhaust and suction device, 2 screw fine dynamic balancing correction, and is supported by bearings, is installed in the pump shell, between screw and screw has a certain gap, so the pump work, no friction between each other, smooth running, low noise, Working chamber without lubricating oil, therefore, dry screw pump can remove a lot of steam and a small amount of dust gas occasions, higher limit vacuum, lower power consumption, energy saving, maintenance-free and other advantages.
Our Advantages
There is no medium in the working chamber, which can obtain a clean vacuum.
. No clearance between rotating parts, high speed operation, small overall volume.
There is no compression in the gas, suitable for extraction of coagulable gas.
Can remove a lot of steam and a small amount of dust gas occasions.
. High vacuum, the ultimate vacuum up to 1 Pa.
Screw material is high strength special material, material density, wear resistance, stable performance.
No friction rotating parts, low noise.
. Simple structure, convenient maintenance.
Wider range of use: corrosive environment can be used.
No oil consumption, no water.
Pump gas directly discharged from the pump body, no pollution of water, no environmental pressure, more convenient gas recovery.
It can be composed of oil-free unit with Roots pump and molecular pump.
Typical Use
——Oil and gas recovery. ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis
Product Parameters
| Type | Basic parameters | ||||||||
| Pumping speed m3/h |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber mm |
outlet caliber mm | Cooling water volume L/min |
noise dB(A) | Overall dimension (length*width*height) mm |
|
| LGV-180 | 180 | 5 | 4 | 2900 | 40 | 40 | 2 | < 78 | 1157x375x734 |
| LGV-250 | 250 | 5 | 5.5 | 2900 | 50 | 40 | 5.5 | <78 | 1462x417x820 |
| LGV-360 | 360 | 5 | 7.5 | 2900 | 50 | 40 | 4 | W78 | 1462x455x820 |
| LGV-540 | 540 | 5 | 11 | 2900 | 65 | 50 | 8 | W80 | 1578x543x860 |
| LGV-720 | 720 | 5 | 15 | 2900 | 80 | 65 | 10 | <80 | 1623x562x916 |
| LGV-1100 | 1100 | 5 | 22 | 2900 | 100 | 80 | 14 | w 80 | 1866x598x1050 |
| LG V-1800 | 1800 | 5 | 37 | 2900 | 150 | 100 | 20 | w 80 | 2092×951 x 1150 |
Characteristic Curve
Detailed Photos
General Manager Speech
Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.
Company Profile
ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.
New plant plHangZhou
The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.
High precision machining equipment
The company cooperates with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents. Adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.
Product quality wins consumer cooperationIn shipment
ISO 9001
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Lifetime Paid Service |
|---|---|
| Warranty: | One Year |
| Oil or Not: | Oil Free |
| Structure: | Screw |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Customization: |
Available
|
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How Do Roots Vacuum Pumps Affect the Efficiency of Vacuum Systems in Various Industries?
Roots vacuum pumps have a significant impact on the efficiency of vacuum systems across various industries. Here’s a detailed explanation:
1. Enhanced Vacuum Level:
– High Pumping Speed: Roots vacuum pumps are known for their high pumping speed, which refers to the rate at which they can evacuate gas from a system. By quickly removing gas molecules, these pumps help achieve and maintain a lower pressure, resulting in an enhanced vacuum level within the system. This increased vacuum level is crucial in industries such as semiconductor manufacturing, where precise control of pressure is necessary for optimal processing conditions.
– Improved Evacuation Time: With their rapid gas pumping capability, Roots vacuum pumps significantly reduce the evacuation time required to reach the desired vacuum level. This efficiency is particularly important in industries where time-sensitive processes are involved, such as vacuum drying, degassing, or impregnation, allowing for faster production cycles and increased productivity.
2. Increased Throughput:
– Continuous Operation: Roots vacuum pumps are designed for continuous operation, enabling uninterrupted gas removal from the vacuum system. Their robust construction and oil-free operation make them reliable and suitable for demanding industrial applications. The ability to maintain a consistent vacuum level without frequent stops or downtime contributes to increased system throughput and overall efficiency.
– Handling Large Volumes: Roots pumps are capable of handling large gas volumes due to their displacement principle. This makes them well-suited for industries that require the evacuation of substantial amounts of gas, such as in chemical processing, pharmaceutical manufacturing, or vacuum packaging. By efficiently evacuating large volumes of gas, Roots vacuum pumps facilitate higher production rates and improved process efficiency.
3. Improved Process Control:
– Stable Vacuum Level: Roots vacuum pumps help maintain a stable vacuum level within the system, which is essential for precise process control. By swiftly removing gas molecules, these pumps prevent pressure fluctuations and ensure a consistent environment for various manufacturing processes. This is particularly crucial in industries like thin film deposition, where maintaining a stable vacuum is crucial for achieving uniform coating thickness and quality.
– Reduced Contamination: Roots vacuum pumps operate without lubricating oil in the pumping chamber, minimizing the risk of oil contamination in the vacuum system. This is particularly advantageous in industries such as electronics, semiconductor fabrication, or research laboratories, where even trace amounts of contaminants can adversely affect product quality or experimental results. By providing clean and oil-free vacuum, Roots pumps contribute to improved process control, reduced yield loss, and enhanced product reliability.
4. Energy Efficiency:
– Lower Power Consumption: Roots vacuum pumps are designed to operate efficiently, consuming lower power compared to other types of vacuum pumps. This energy efficiency is beneficial in industries where vacuum systems are continuously operated, such as in chemical processing plants or industrial manufacturing facilities. By reducing power consumption, Roots pumps help lower operational costs and contribute to sustainable and environmentally friendly practices.
– Heat Dissipation: Roots pumps generate less heat during operation compared to certain other vacuum pump types. This is advantageous in industries where temperature control is critical, such as in semiconductor fabrication or vacuum furnaces. The reduced heat generation minimizes the need for additional cooling measures, improving overall energy efficiency and reducing operational costs.
In summary, Roots vacuum pumps significantly impact the efficiency of vacuum systems in various industries. They enhance the vacuum level, increase system throughput, improve process control, and contribute to energy savings. By providing high pumping speed, quick evacuation time, continuous operation, stable vacuum levels, reduced contamination risk, lower power consumption, and efficient heat dissipation, Roots vacuum pumps play a crucial role in optimizing the performance and productivity of vacuum systems across industries.
Can Roots Vacuum Pumps Be Used for Vacuum Distillation?
Yes, Roots vacuum pumps can be used for vacuum distillation in certain applications. Here’s a detailed explanation:
Vacuum distillation is a process used to separate and purify components of a liquid mixture by exploiting the difference in boiling points under reduced pressure. By operating at lower pressures, the boiling points of the components are decreased, allowing for more selective evaporation and separation. Vacuum distillation is commonly employed in industries such as petrochemical, pharmaceutical, and chemical manufacturing.
Roots vacuum pumps can play a role in vacuum distillation processes by assisting in the creation and maintenance of the required vacuum conditions. Although Roots vacuum pumps alone may not achieve the high vacuum levels necessary for certain applications, they are often used in combination with other vacuum pumps, such as rotary vane pumps or oil-sealed pumps, to create a hybrid pumping system.
In a typical setup, Roots vacuum pumps are utilized as the primary roughing pump in the distillation system. Their high pumping speed allows for efficient removal of large volumes of gas, reducing the pressure in the system and enabling the effective operation of subsequent stages. The Roots pump works by trapping and compressing the gas, creating a pressure differential that facilitates the evacuation of the system.
While Roots vacuum pumps are effective in generating rough vacuum levels, they may not be capable of achieving the very high vacuum levels often required for precise separation in vacuum distillation. Therefore, they are commonly used in conjunction with other vacuum pumps, such as oil-sealed pumps or molecular pumps, that are better suited for achieving and maintaining high vacuum levels.
It’s important to note that the selection and configuration of the vacuum pumps for vacuum distillation depend on various factors, including the desired vacuum level, the characteristics of the liquid mixture being distilled, and the specific requirements of the distillation process. The vacuum system needs to be carefully designed to ensure optimal performance and efficient separation.
In summary, while Roots vacuum pumps alone may not be sufficient for achieving the high vacuum levels required for vacuum distillation, they are commonly employed as part of a hybrid pumping system in conjunction with other vacuum pumps. Their high pumping speed and capability to handle large gas volumes make them valuable for creating the initial vacuum conditions in the distillation process.
editor by Dream 2024-05-10
China OEM Roots Vacuum Pump Used for Cement Plant with Hot selling
Product Description
| Model | Suction capacity (L/S) |
Limit vacuum (≤Pa) |
Speed (rpm) |
Motor Power (kw) |
Inlet Dia. (mm) |
Outlet Dia. (mm) |
Weight (Kg) |
Recommended backing pump model |
| ZJ-70 | 70 | 6×10-2 | 2780 | 1.5 | 80 | 50 | 87 | 2X-8 |
| ZJB-70 | 5×10-2 | 100 | ||||||
| ZJ-150A | 150 | 6×10-2 | 2900 | 3 | 100 | 100 | 198 | 2X-15 |
| ZJB-150 | 5×10-2 | 215 | ||||||
| ZJ-300 | 300 | 6×10-2 | 1450 | 4 | 150 | 150 | 490 | 2X-30A |
| ZJB-300 | 5×10-2 | 480 | ||||||
| ZJ-600 | 600 | 6×10-2 | 2900 | 5.5 | 150 | 150 | 490 | 2X-70A |
| ZJB-600 | 5×10-2 | 503 | ||||||
| ZJ-1200A | 1200 | 6×10-2 | 1450 | 11 | 300 | 300 | 1550 | 2X-70A (2sets) |
| ZJB-1200 | 5×10-2 | 250 | 250 | 1580 |
JZB Roots vacuum pump
1. Construction features and working principle of the pump:
Model ZJ Mechanical Booster Pump, also known as a Roots pump, is a volumetric pump.
It employs a pair of rotors, identical and in 8-figure with certain clearance between them
in the pump housing, rotating at the same speed in opposite directions to perform
function of suction and discharge of gas. The 2 rotors are supported by rolling bearings
in the end covers of the pump, rotating at high speed and are kept at a
fixed relative position by a pair of timing gears. The end clearance between rotors and
end covers are fixed by adjustable metal shims between the bearing housings and the
end cover at the fixed end, which ensures one-direction expansion of the rotor when
temperature rises during its operation.
Four sets of inner seals (also known as piston ring) in the 2 end covers prevent lube oil
entering into the pump housing. The shaft seal at the front-end cover, also called as
framework oil seal or shaft seal, prevents leakage of air into the pump housing.
In order to reduce temperature of the pump, all models of pumps (expect the two
smallest models) are equipped with a gearbox cooler and front-end cover cooler.
Power is transmitted through a coupling or V-belt from the motor to the driving shaft of
the pump and then through synchronizing gears to the driven shaft
Product’s Application
Product Display
Company Power
FAQ
1.Q:Are you a manufacturer or trading company?
A: We are a professional vacuum pump manufacturer with over 32 year experience. We have 2 factories now which cover more than 33333 square meters,we have rich experience in CHINAMFG liquid industry , Welcome to visit our factory at your time.
2.Q:Do you have minimum order quantity request?
A: for spare parts we have no MOQ,but for whole set equipment of course 1 set is the minimum.
3.Q:Do you have certificates?
A: Yes, we have CE, ISO,SGS.etc. certificates.
5.Q:How to pay?
A:T/T and Alibaba Payment is acceptable.
6.Q:How to pack the products?
A: We use standard export package. If you have special package requirements, we will pack as you required, but the fees will be paid by customers.
7.Q: What about your delivery time?
A: It depends on your pump quantity. Generally 15 days after we receive the prepayment. We will confirm you again when we start to produce.
8.Q:How to install after the equipment arriving destination?
A: We will sent the operating instruction with goods to you.Please strictly follow the instructions for installation
9.Q: How long does your product quality warranty last?
A: 12 months for all our products against any non-artificial quality problem since the product leave our factory.
10.Q: What will you do with quality complaint?
A: We have a complete set of microcomputer controlled testing system(All products are subject to tested before delivery. No product that failed performance test leaves our factory.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Warranty: | 12 Months |
|---|---|
| Oil or Not: | Oil |
| Structure: | Singel Stage |
| Exhauster Method: | Roots Vacuum Pump |
| Vacuum Degree: | Low Vacuum |
| Work Function: | Mainsuction Pump |
| Customization: |
Available
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Can Roots Vacuum Pumps Be Used for Vacuum Impregnation in Manufacturing?
Yes, Roots vacuum pumps can be used for vacuum impregnation in manufacturing. Here’s a detailed explanation:
1. Vacuum Impregnation in Manufacturing: Vacuum impregnation is a process used in manufacturing to fill porous materials or components with a liquid or resin. It is commonly employed to enhance the properties of materials by improving their strength, sealing capability, or resistance to chemicals or corrosion. The process involves placing the porous material in a vacuum chamber and removing the air or gas trapped within its pores. Once a vacuum is established, a liquid or resin is introduced, and the vacuum is released, allowing the material to absorb the impregnating substance.
2. Role of Roots Vacuum Pumps: Roots vacuum pumps play a crucial role in the vacuum impregnation process by creating and maintaining the required vacuum conditions. Here’s how they contribute:
– Evacuation: Roots pumps are used to evacuate the impregnation chamber, removing the air and gas from within the pores of the porous material. By creating a vacuum, the trapped gases are extracted, creating a void space for the impregnating substance to penetrate.
– Pressure Control: Roots pumps help control the pressure within the impregnation chamber during different stages of the process. They can rapidly achieve and maintain the desired vacuum level, ensuring proper impregnation of the material and preventing the formation of air bubbles or voids.
– Gas Removal: Roots pumps effectively remove gases released from the impregnating substance during the impregnation process. As the liquid or resin fills the pores of the porous material, gases may be released due to the reaction or outgassing. The vacuum pump evacuates these gases, preventing their accumulation and ensuring complete impregnation.
3. Advantages of Roots Vacuum Pumps for Vacuum Impregnation:
– High Pumping Speed: Roots vacuum pumps have a high pumping speed, enabling rapid evacuation of the impregnation chamber. This reduces the overall impregnation cycle time, increasing manufacturing throughput and efficiency.
– Large Volume Handling: Roots pumps are capable of handling large volumes of gas, allowing them to evacuate chambers of different sizes effectively. This is advantageous when impregnating large or complex-shaped components that require a significant amount of impregnating substance.
– Continuous Operation: Roots pumps can operate continuously, maintaining the vacuum conditions required for impregnation throughout the process. This ensures consistent impregnation results and reduces the risk of incomplete impregnation or material defects.
– Compatibility with Impregnating Substances: Roots vacuum pumps are compatible with a wide range of impregnating substances, including resins, oils, solvents, and other liquids. They can handle different chemical compositions and provide a clean and efficient environment for the impregnation process.
4. Considerations for Vacuum Impregnation:
– Material Compatibility: It is essential to consider the compatibility of the porous material with the impregnating substance and the impregnation process itself. Some materials may require pre-treatment or surface preparation before impregnation. The choice of impregnating substance should also align with the material’s properties and intended application.
– Process Parameters: Vacuum impregnation involves controlling various process parameters, such as vacuum level, impregnation time, pressure release, and curing conditions. These parameters may vary depending on the material, impregnating substance, and desired impregnation results. Proper process optimization and control are crucial for achieving consistent and reliable impregnation outcomes.
– System Design: The design of the vacuum impregnation system should consider factors such as chamber size, gas flow rates, vacuum pump capacity, and pressure control mechanisms. Proper system design ensures efficient operation, reliable vacuum conditions, and effective impregnation of the porous material.
In summary, Roots vacuum pumps are well-suited for vacuum impregnation in manufacturing. Their high pumping speed, large volume handling capability, continuous operation, and compatibility with impregnating substances make them effective in creating and maintaining the required vacuum conditions for successful impregnation. By considering material compatibility, process parameters, and system design, Roots vacuum pumps contribute to the efficient and reliable impregnation of porous materials in various manufacturing applications.
What Is a Roots Vacuum Pump, and How Does It Work?
A Roots vacuum pump, also known as a Roots blower or a rotary lobe pump, is a type of positive displacement vacuum pump that is widely used for various industrial applications. Here’s a detailed explanation of what a Roots vacuum pump is and how it works:
A Roots vacuum pump consists of two synchronized rotors, known as lobes or impellers, that rotate in opposite directions within a housing. The lobes have a unique helical shape with multiple lobes, which allows them to trap and move gas efficiently. The rotors are synchronized with the help of timing gears to maintain precise clearances between the lobes and the housing.
The operation of a Roots vacuum pump can be described in the following steps:
1. Inlet Stage: The process begins with the lobes rotating in opposite directions. As the lobes rotate, the volume between them and the housing gradually increases, creating a larger space at the inlet side of the pump. This expansion of the volume causes the gas to enter the pump through the inlet port. The gas is drawn in due to the pressure difference between the inlet and the pump’s internal chamber.
2. Compression Stage: As the gas enters the pump, it gets trapped in the spaces between the lobes and the housing. As the lobes continue to rotate, the trapped gas gets carried along the rotating lobes. The gas is essentially trapped in the pockets formed by the lobes and the housing. The rotating lobes then compress the gas as they move towards the outlet side of the pump.
3. Outlet Stage: As the lobes approach the outlet side of the pump, the volume between them and the housing decreases, resulting in the compression of the trapped gas. This compression raises the pressure of the gas, causing it to be expelled through the outlet port of the pump. The expelled gas is then discharged into the atmosphere or directed to a downstream process or another vacuum pump, depending on the application.
It’s important to note that a Roots vacuum pump operates as a non-contacting pump, meaning that there is no physical contact between the lobes or between the lobes and the housing. This characteristic eliminates the need for lubrication within the pump and reduces the risk of contamination or oil vapor backstreaming into the vacuum system.
Roots vacuum pumps are known for their high pumping speed and ability to handle large volumes of gas. However, they are not capable of achieving high vacuum levels on their own. To achieve higher vacuum levels, a Roots pump is often used in conjunction with other vacuum pumps, such as rotary vane pumps or diffusion pumps, in a hybrid or combination pumping system.
In summary, a Roots vacuum pump operates based on the principle of positive displacement. It utilizes synchronized rotating lobes to trap and compress gas, allowing it to be discharged at a higher pressure. The non-contacting design of the pump eliminates the need for lubrication and reduces the risk of contamination. Roots vacuum pumps are commonly employed in various industrial applications, especially when high pumping speed and large gas handling capacity are required.
editor by Dream 2024-05-10
China Custom CZPT High Quality Auto Parts New Brake Vacuum Pump 06h145100ab for Audi A3 A4 A5 VW Golf Passat 1.8 2.0 Tfsi vacuum pump electric
Product Description
| Product Information | |
| Product name | Vacuum Pump |
| OEM | 06H145100 F |
| Warranty | 1 year |
| Certifications | CE |
| Condition | Brand-new |
| Appliction | For Audi A3 A4 A5 VW Golf Passat 1.8 2.0 TFSI |
| Brand Name | ZOOMKEY |
| Place of Origin | ZheJiang , China |
| Quality | High-performance |
| Related Products |
| Company Profile |
| Our advantages |
One-stop solution for auto parts
ODM and OEM customized
with 12 months-24 months warranty
high quality, professional service
Zoomrich is a company specialized in distribution and service for CZPT car parts,Especially in Volkswagen, Audi, Mercedes-Benz, BMW, Por sche,Jaguar,Land-Rover autoparts.Our business includes temperature control system,suspension parts, engine parts, electrical parts, and some other product lines.We are based in ZheJiang , and cooperate with many international first-line brands in order to meet the customer’s choice of diversity. Based on 12 years of experience,We accumulated a lot of factory resources and build a long-term cooperation in China which include OEM factory,OES resources,IAM factory verified by International famous brand.
About Us
CZPT electronic commerce(ZheJiang )Co.Ltd.is specialized in serving the German car system. The products are suitable for Mercedes-Benz, BMW,Volkswagen imported and other luxury cars. It covers auto engine system, auto transmission system, auto covering system, auto temperature control system,auto suspension and steering system, auto electronic system and so on.
With years of experience in the market of China in auto parts field ,our products have been exported to all over the world simultaneously.We have integrate the R&D,manufacture and trade. Supportina ODM
&OEM customized,and strict support confidentiality of customer brands and property rights. We will try our best to cooperation with you to establish a CZPT relationship.
| AFQ |
1. who are we?
We are based in ZheJiang , China, start from 2017,sell to Western Europe(20.00%),Domestic Market(20.00%),North America(10.00%),South America(10.00%),Eastern Europe(10.00%),Northern Europe(10.00%),Southeast Asia(5.00%),Africa(5.00%),Mid East(5.00%),Eastern Asia(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
camshaft adjuster,headlamp accessories,cylinder head cover,shock absorber,tensioner
4. why should you buy from us not from other suppliers?
One-stop solution for auto parts ODM and OEM customized with 12 months-24 months warranty
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Western Union,Cash;
Language Spoken:English,Chinese
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 12 Months |
|---|---|
| Warranty: | 1 Year |
| Product Name: | Vacuum Pump |
| Certificates: | CE RoHS Ts16949 |
| Package: | Carton Box |
| Quality: | High-Performance |
| Samples: |
US$ 30/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How to install a vacuum pump
A vacuum pump creates a relative vacuum within a sealed volume by drawing gas molecules from the sealed volume. Vacuum pumps can be used in a variety of industrial applications. They also offer various lubrication options. If you are considering purchasing, please understand its functions and features before purchasing.
How it works
The working principle of a vacuum pump is called gas transfer. The principle can be further divided into two basic categories: positive displacement and momentum transfer. At high pressure and moderate vacuum, gas molecules collide and move and create a viscous flow. At higher vacuum levels, gas molecules separate to create molecular or transitional flows.
Another principle of vacuum pumps is fluid-tightness. There are two main types of seals: rotary seals and screw seals. Rotary seals prevent liquid leakage, while screw seals only allow liquids to flow out at higher pressures. Some pumps may not use the third seal.
The flow rate of the vacuum pump determines the machine’s ability to pump a certain amount of material. A higher pumping speed will shorten the drain time. Therefore, the mass flow of the vacuum pump must be carefully considered. The speed and type of vacuum must also be considered.
The working principle of a vacuum pump is to push gas molecules from a high-pressure state to a low-pressure state. This creates a partial vacuum. There are many different types of vacuum pumps, each with different functions. Some are mechanical, some are chemical. In either case, their function is the same: to create a partial or complete vacuum. Vacuum pumps use a variety of technologies and are sized according to the application. Proper sizing is critical for optimum efficiency.
Gas transfer pumps use the same principles as vacuum pumps but use different technology. One of the earliest examples is the Archimedes spiral. Its structure consists of a single screw inside a hollow cylinder. More modern designs use double or triple screws. The rotation of the screw causes gas molecules to be trapped in the cavity between the screw and the housing. The fluid is then discharged at slightly above atmospheric pressure. This difference is called the compression ratio.
Another type of vacuum pump is a diffusion pump. Its main use is industrial vacuum processing. It is used in applications such as mass spectrometry, nanotechnology and analytical instrumentation. These pumps are generally inexpensive to purchase and operate.
Apply
Vacuum pumps are essential for many scientific and industrial processes. They are used in the production of vacuum tubes, CRTs, lamps and semiconductor processing. They can also be used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle. Likewise, they can be used to power hydraulic components of aircraft. Among other uses, the vacuum pump helps calibrate the gyroscope.
Vacuum pumps are widely used in the pharmaceutical industry and are one of the largest users of this technology. They help deal with hazardous materials and eliminate waste quickly. They are also used in power jets, dump fuel tanks and rear doors, among others. However, they are sensitive to contamination and should only be used in environments where leaks can be prevented. Therefore, choosing the right fluid for the application is very important.
The most popular type of vacuum pump is the rotary vane pump. These pumps are known for their high pumping speed and low pressure. Their efficient pumping capacity allows them to reach pressures below 10-6 bar. Additionally, they are usually oil-sealed and have excellent vacuuming capabilities.
Vacuum pumps are often used to remove air from closed systems. They create a vacuum by reducing the density of the air in the compressed space. This is done by using the mechanical force energy generated by the rotating shaft. When the pump is under pressure, it converts this energy into pneumatic power. When the pressure is different, the energy produced depends on the volume of the gas and the pressure difference between the inner and outer atmospheres.
Vacuum pumps are also used in the manufacture of solar cells. They are used in the manufacture of solar cells, including ingot casting processes as well as cell and module processes. The design of the vacuum system plays an important role in reducing the cost of the process, thus making it profitable. Due to their low maintenance costs, they are an invaluable tool for making solar cells.
Vacuum pumps are widely used in many applications. In addition to industrial and research uses, they are also used in water remediation. 
Oil Lubrication Option
Vacuum pumps are available in a variety of oil lubrication options. Choosing the right lubricant can help protect your vacuum pump and maximize its performance. Different base oils may contain different additives, such as antioxidants, and some contain additional additives for specific purposes. You should choose an oil with the right concentration of these additives for optimal lubrication of your vacuum pump.
Vacuum pumps are usually lubricated with paraffinic mineral oil. However, this type of lubricant evaporates as the temperature increases. To minimize evaporative losses, choose a lubricant with low vapor pressure. Also, you should choose lubricants that are resistant to extreme temperatures. Extreme temperatures can put extra stress on the oil and can even significantly shorten the life of the oil.
In terms of viscosity, synthetic oils are the best choice for vacuum pumps. These types of oils are designed to resist gas dissolution and are more resistant to corrosion. Therefore, synthetic oils are ideal for handling aggressive substances. Whether or not your pump needs lubrication, choosing a quality product is important.
The vacuum pump oil should be changed periodically according to the manufacturer’s recommendations. If you use a filter, you should also change the oil as soon as the filter reaches the end of its life. Unplanned oil changes will eventually cause the vacuum pump to not reach its maximum vacuum capacity.
You can buy vacuum pump oil from vacuum pump manufacturers or other suppliers. These options are available in a variety of sizes, and labels can be customized. The oil should be designed for the pump. However, you should check the manufacturer’s recommendations to avoid buying the wrong type.
If you choose to use a synthetic oil, it is important to use a good quality oil. It helps the pump work more efficiently and prolong its life. 
Install
After choosing a suitable location, the next step is to install the pump. First, place the pump on a flat surface. Then, screw the pump onto the motor body above the check valve. Make sure the accessories are wrapped with sealing tape and secured with screws. The direction of gas inflow and outflow is indicated by arrows on the pump. The direction of rotation around the pump is also shown.
During commissioning, check the operation of each part of the pump. If the pump is equipped with a pipe connection, the pipe should be the same size and shape as the pump flange. Also, make sure that the piping does not cause any pressure drop. In addition, the first three weeks of operation require the installation of protective nets at the suction ports.
When selecting a pump, consider the back pressure of the system. Too much back pressure will affect the capacity of the vacuum pump. Also, check the temperature of the seal. If the temperature is too high, the seal may be damaged. It could also be due to a partially closed valve in the recirculation line or a clogged filter. Circulation pumps and heat exchangers should also be checked for fouling.
The vacuum pump is usually installed in the chassis area of the car. They can be mounted next to the engine or on a lower support frame. They are usually fastened to the bracket using suitable shock absorbers and isolating elements. However, before installing the vacuum pump, be sure to check the vacuum pump’s wiring harness before connecting it to the vehicle.
In many experimental setups, a vacuum pump is essential. However, improperly installed vacuum pumps can expose users to harmful vapors and chemicals. Appropriate plugs and belt guards should be installed to prevent any accidental chemical exposure. It is also important to install a fume hood for the pump.
In most cases, vacuum pumps come with installation manuals and instructions. Some manufacturers even offer start-up assistance if needed.
editor by Dream 2024-05-09
China Professional 20m3/H Air Cooled Screw Vacuum Pump for Biological Medicine Food Chemical with Oilless No Oil and Clean Vacuum vacuum pump engine
Product Description
Dry Screw Vacuum Pump RSB571
Product Description
Dry screw vacuum pump, is the use of a pair of screw, made in the pump shell synchronous high-speed reverse rotation of the effects of the suction and exhaust and suction device, 2 screw fine dynamic balancing correction, and is supported by bearings, is installed in the pump shell, between screw and screw has a certain gap, so the pump work, no friction between each other, smooth running, low noise, Working chamber without lubricating oil, therefore, dry screw pump can remove a lot of steam and a small amount of dust gas occasions, higher limit vacuum, lower power consumption, energy saving, maintenance-free and other advantages.
There is no medium in the working chamber, which can obtain a clean vacuum.
No clearance between rotating parts, high speed operation, small overall volume.
There is no compression in the gas, suitable for extraction of coagulable gas.
Can remove a lot of steam and a small amount of dust gas occasions.
High vacuum, the ultimate vacuum up to 1 Pa.
Screw material is high strength special material, material density, wear resistance, stable performance.
No friction rotating parts, low noise.
Simple structure, convenient maintenance.
Wider range of use: corrosive environment can be used.
No oil consumption, no water.
Pump gas directly discharged from the pump body, no pollution of water, no environmental pressure, more convenient gas recovery.
It can be composed of oil-free unit with Roots pump and molecular pump.
Product Parameters
| Product Model | 50/60Hz | RSB571 |
| Pumping Speed | 50Hz | 18m³/H |
| 60Hz | 22m³/H | |
| Ultimate Pressure | mbar | 0.03 |
| Inlet Diameter | KF40 | |
| Voltage | 50Hz | 200-240/345-415V |
| 60Hz | 220-275/380-480V | |
| Motor Power | kW | 1.5 |
| Rotate Speed | r/min | 2900/3500 |
| Noise Level | dB | 72 |
| Cooling Mode | Air Cooling | |
| Net Weight | kg | 48 |
Detailed Photos
Installation Instructions
Certifications
Company Profile
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Screw Number: | Double Screw Pump |
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| Screw Suction Method: | Single Suction |
| Pump Shaft Position: | Horizontal |
| Performance: | Anticorrosion |
| Application: | Chemical |
| Certification: | CE, ISO |
| Samples: |
US$ 4500/Set
1 Set(Min.Order) | |
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| Customization: |
Available
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How Are Vacuum Pumps Employed in the Production of Electronic Components?
Vacuum pumps play a crucial role in the production of electronic components. Here’s a detailed explanation:
The production of electronic components often requires controlled environments with low or no atmospheric pressure. Vacuum pumps are employed in various stages of the production process to create and maintain these vacuum conditions. Here are some key ways in which vacuum pumps are used in the production of electronic components:
1. Deposition Processes: Vacuum pumps are extensively used in deposition processes, such as physical vapor deposition (PVD) and chemical vapor deposition (CVD), which are commonly employed for thin film deposition on electronic components. These processes involve the deposition of materials onto substrates in a vacuum chamber. Vacuum pumps help create and maintain the necessary vacuum conditions required for precise and controlled deposition of the thin films.
2. Etching and Cleaning: Etching and cleaning processes are essential in the fabrication of electronic components. Vacuum pumps are used to create a vacuum environment in etching and cleaning chambers, where reactive gases or plasmas are employed to remove unwanted materials or residues from the surfaces of the components. The vacuum pumps help evacuate the chamber and ensure the efficient removal of byproducts and waste gases.
3. Drying and Bake-out: Vacuum pumps are utilized in the drying and bake-out processes of electronic components. After wet processes, such as cleaning or wet etching, components need to be dried thoroughly. Vacuum pumps help create a vacuum environment that facilitates the removal of moisture or solvents from the components, ensuring their dryness before subsequent processing steps. Additionally, vacuum bake-out is employed to remove moisture or other contaminants trapped within the components’ materials or structures, enhancing their reliability and performance.
4. Encapsulation and Packaging: Vacuum pumps are involved in the encapsulation and packaging stages of electronic component production. These processes often require the use of vacuum-sealed packaging to protect the components from environmental factors such as moisture, dust, or oxidation. Vacuum pumps assist in evacuating the packaging materials, creating a vacuum-sealed environment that helps maintain the integrity and longevity of the electronic components.
5. Testing and Quality Control: Vacuum pumps are utilized in testing and quality control processes for electronic components. Some types of testing, such as hermeticity testing, require the creation of a vacuum environment for evaluating the sealing integrity of electronic packages. Vacuum pumps help evacuate the testing chambers, ensuring accurate and reliable test results.
6. Soldering and Brazing: Vacuum pumps play a role in soldering and brazing processes for joining electronic components and assemblies. Vacuum soldering is a technique used to achieve high-quality solder joints by removing air and reducing the risk of voids, flux residuals, or oxidation. Vacuum pumps assist in evacuating the soldering chambers, creating the required vacuum conditions for precise and reliable soldering or brazing.
7. Surface Treatment: Vacuum pumps are employed in surface treatment processes for electronic components. These processes include plasma cleaning, surface activation, or surface modification techniques. Vacuum pumps help create the necessary vacuum environment where plasma or reactive gases are used to treat the component surfaces, improving adhesion, promoting bonding, or altering surface properties.
It’s important to note that different types of vacuum pumps may be used in electronic component production, depending on the specific process requirements. Commonly used vacuum pump technologies include rotary vane pumps, turbo pumps, cryogenic pumps, and dry pumps.
In summary, vacuum pumps are essential in the production of electronic components, facilitating deposition processes, etching and cleaning operations, drying and bake-out stages, encapsulation and packaging, testing and quality control, soldering and brazing, as well as surface treatment. They enable the creation and maintenance of controlled vacuum environments, ensuring precise and reliable manufacturing processes for electronic components.
What Is the Role of Vacuum Pumps in Pharmaceutical Manufacturing?
Vacuum pumps play a crucial role in various aspects of pharmaceutical manufacturing. Here’s a detailed explanation:
Vacuum pumps are extensively used in pharmaceutical manufacturing processes to support a range of critical operations. Some of the key roles of vacuum pumps in pharmaceutical manufacturing include:
1. Drying and Evaporation: Vacuum pumps are employed in drying and evaporation processes within the pharmaceutical industry. They facilitate the removal of moisture or solvents from pharmaceutical products or intermediates. Vacuum drying chambers or evaporators utilize vacuum pumps to create low-pressure conditions, which lower the boiling points of liquids, allowing them to evaporate at lower temperatures. By applying vacuum, moisture or solvents can be efficiently removed from substances such as active pharmaceutical ingredients (APIs), granules, powders, or coatings, ensuring the desired product quality and stability.
2. Filtration and Filtrate Recovery: Vacuum pumps are used in filtration processes for the separation of solid-liquid mixtures. Vacuum filtration systems typically employ a filter medium, such as filter paper or membranes, to retain solids while allowing the liquid portion to pass through. By applying vacuum to the filtration apparatus, the liquid is drawn through the filter medium, leaving behind the solids. Vacuum pumps facilitate efficient filtration, speeding up the process and improving product quality. Additionally, vacuum pumps can aid in filtrate recovery by collecting and transferring the filtrate for further processing or reuse.
3. Distillation and Purification: Vacuum pumps are essential in distillation and purification processes within the pharmaceutical industry. Distillation involves the separation of liquid mixtures based on their different boiling points. By creating a vacuum environment, vacuum pumps lower the boiling points of the components, allowing them to vaporize and separate more easily. This enables efficient separation and purification of pharmaceutical compounds, including the removal of impurities or the isolation of specific components. Vacuum pumps are utilized in various distillation setups, such as rotary evaporators or thin film evaporators, to achieve precise control over the distillation conditions.
4. Freeze Drying (Lyophilization): Vacuum pumps are integral to the freeze drying process, also known as lyophilization. Lyophilization is a dehydration technique that involves the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. Vacuum pumps create a low-pressure environment in freeze drying chambers, allowing the frozen product to undergo sublimation. During sublimation, the frozen water or solvent directly transitions from the solid phase to the vapor phase, bypassing the liquid phase. Vacuum pumps facilitate efficient and controlled sublimation, leading to the production of stable, shelf-stable pharmaceutical products with extended shelf life.
5. Tablet and Capsule Manufacturing: Vacuum pumps are utilized in tablet and capsule manufacturing processes. They are involved in the creation of vacuum within tablet presses or capsule filling machines. By applying vacuum, the air is removed from the die cavity or capsule cavity, allowing for the precise filling of powders or granules. Vacuum pumps contribute to the production of uniform and well-formed tablets or capsules by ensuring accurate dosing and minimizing air entrapment, which can affect the final product quality.
6. Sterilization and Decontamination: Vacuum pumps are employed in sterilization and decontamination processes within the pharmaceutical industry. Autoclaves and sterilizers utilize vacuum pumps to create a vacuum environment before introducing steam or chemical sterilants. By removing air or gases from the chamber, vacuum pumps assist in achieving effective sterilization or decontamination by enhancing the penetration and distribution of sterilants. Vacuum pumps also aid in the removal of sterilants and residues after the sterilization process is complete.
It’s important to note that different types of vacuum pumps, such as rotary vane pumps, dry screw pumps, or liquid ring pumps, may be utilized in pharmaceutical manufacturing depending on the specific requirements of the process and the compatibility with pharmaceutical products.
In summary, vacuum pumps play a vital role in various stages of pharmaceutical manufacturing, including drying and evaporation, filtration and filtrate recovery, distillation and purification, freeze drying (lyophilization), tablet and capsule manufacturing, as well as sterilization and decontamination. By enabling efficient and controlled processes, vacuum pumps contribute to the production of high-quality pharmaceutical products, ensuring the desired characteristics, stability, and safety.
What Are the Primary Applications of Vacuum Pumps?
Vacuum pumps have a wide range of applications across various industries. Here’s a detailed explanation:
1. Industrial Processes:
Vacuum pumps play a vital role in numerous industrial processes, including:
– Vacuum Distillation: Vacuum pumps are used in distillation processes to lower the boiling points of substances, enabling separation and purification of various chemicals and compounds.
– Vacuum Drying: Vacuum pumps aid in drying processes by creating a low-pressure environment, which accelerates moisture removal from materials without excessive heat.
– Vacuum Packaging: Vacuum pumps are used in the food industry to remove air from packaging containers, prolonging the shelf life of perishable goods by reducing oxygen exposure.
– Vacuum Filtration: Filtration processes can benefit from vacuum pumps to enhance filtration rates by applying suction, facilitating faster separation of solids and liquids.
2. Laboratory and Research:
Vacuum pumps are extensively used in laboratories and research facilities for various applications:
– Vacuum Chambers: Vacuum pumps create controlled low-pressure environments within chambers for conducting experiments, testing materials, or simulating specific conditions.
– Mass Spectrometry: Mass spectrometers often utilize vacuum pumps to create the necessary vacuum conditions for ionization and analysis of samples.
– Freeze Drying: Vacuum pumps enable freeze-drying processes, where samples are frozen and then subjected to a vacuum, allowing the frozen water to sublimate directly from solid to vapor state.
– Electron Microscopy: Vacuum pumps are essential for electron microscopy techniques, providing the necessary vacuum environment for high-resolution imaging of samples.
3. Semiconductor and Electronics Industries:
High vacuum pumps are critical in the semiconductor and electronics industries for manufacturing and testing processes:
– Semiconductor Fabrication: Vacuum pumps are used in various stages of chip manufacturing, including deposition, etching, and ion implantation processes.
– Thin Film Deposition: Vacuum pumps create the required vacuum conditions for depositing thin films of materials onto substrates, as done in the production of solar panels, optical coatings, and electronic components.
– Leak Detection: Vacuum pumps are utilized in leak testing applications to detect and locate leaks in electronic components, systems, or pipelines.
4. Medical and Healthcare:
Vacuum pumps have several applications in the medical and healthcare sectors:
– Vacuum Assisted Wound Closure: Vacuum pumps are used in negative pressure wound therapy (NPWT), where they create a controlled vacuum environment to promote wound healing and removal of excess fluids.
– Laboratory Equipment: Vacuum pumps are essential in medical and scientific equipment such as vacuum ovens, freeze dryers, and centrifugal concentrators.
– Anesthesia and Medical Suction: Vacuum pumps are utilized in anesthesia machines and medical suction devices to create suction and remove fluids or gases from the patient’s body.
5. HVAC and Refrigeration:
Vacuum pumps are employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries:
– Refrigeration and Air Conditioning Systems: Vacuum pumps are used during system installation, maintenance, and repair to evacuate moisture and air from refrigeration and air conditioning systems, ensuring efficient operation.
– Vacuum Insulation Panels: Vacuum pumps are utilized in the manufacturing of vacuum insulation panels, which offer superior insulation properties for buildings and appliances.
6. Power Generation:
Vacuum pumps play a role in power generation applications:
– Steam Condenser Systems: Vacuum pumps are used in power plants to remove non-condensable gases from steam condenser systems, improving thermal efficiency.
– Gas Capture: Vacuum pumps are utilized to capture and remove gases, such as hydrogen or helium, in nuclear power plants, research reactors, or particle accelerators.
These are just a few examples of the primary applications of vacuum pumps. The versatility and wide range of vacuum pump types make them essential in numerous industries, contributing to various manufacturing processes, research endeavors, and technological advancements.
editor by Dream 2024-05-09
China Standard High Efficiency with Electric Vacuum Pump RS-2 vacuum pump
Product Description
| Item | Double Stages rotary vane air Vacuum Pump |
| Voltage | 110V/60HZ 220V/50HZ |
| Free Air Displacement | 12/10 CFM |
| Ultimate Vacuum | 0.3pa |
| Rotating Speed | 1720/1440 |
| Power(HP) | 1 |
| Oil Capacity(ml) | 500 |
| Dimension(mm) | 430X142X280 |
| Weight(kg) | 17 |
| Pcakage | One or 2 sets packed in a Canton |
| Payment Terms | T/T L/C West Union |
| Certificate | CE |
HangZhou CHINAMFG Refrigeration Technology Co., Ltd. is a large modern chemical enterprise specializing in manufacturing, researching and exporting high purity fluoro-chemicals, fine chemicals, hydrocarbon chemicals, etc. Its headquarter locates in ZheJiang capital HangZhou city, and has 2 profound manufacturing bases, separately in HangZhou City of ZheJiang Province and HangZhou city of ZHangZhoug Province. Our company takes “Science and Technology, Environmental Protection, Internationalization” as development direction and “First-class Technology, First-class Quality, First-class Service, First-class Efficiency” as service tenet.
Main Products:
R22 , R134A , R410A , R407c , R507 , R404A , R600 Refrigerant Gas, Manifold Gauge ,vacuum pump, compressor,etc.
Customer’s satisfactory is our forever pursue
FAQ:
Q: If there’s space for you to lower the price?
A: The price in that field is changeable, so, fell free to ask for latest price and I’ll provide you the lowest.
Q: Could I use my own LOGO or design on goods?
A: Customized logo and design on mass production are available.
Q: Can I visit your factory?
A: Sure, welcome any time. We can also pick you up at air port and station.
Q: What is the delivery time?
A: One week for sample, 15 to 20 days for mass production.
Q: How about the payment term?
A: TT,L/C at sight, Paypal,Western Union, etc. Normally 30% T/T in advance, 30% TT before shipment, the balance against the copy of B/L in 7 days.
Q: How much discount can you offer?
A: We will do our best to offer the competitive price,usually the discount depends on th quantity.
Q:The shipping fare costs too much ,can you make it cheaper for us?
A: We will try our best to negotiate with shipping company,we save every penny for our customers,if it is possible ,you can desinate your own shipping agency.
Q: Can I trust you?
A: Absolutely YES. We are “made in china” verified supplier.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Oil or Not: | Oil |
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| Structure: | Rotary Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Working Conditions: | Dry |
| Specification: | 7kg |
| Trademark: | Henbin |
| Samples: |
US$ 40/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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What Are the Advantages of Using Oil-Sealed Vacuum Pumps?
Oil-sealed vacuum pumps offer several advantages in various applications. Here’s a detailed explanation:
1. High Vacuum Performance: Oil-sealed vacuum pumps are known for their ability to achieve high levels of vacuum. They can create and maintain deep vacuum levels, making them suitable for applications that require a low-pressure environment. The use of oil as a sealing and lubricating medium helps in achieving efficient vacuum performance.
2. Wide Operating Range: Oil-sealed vacuum pumps have a wide operating range, allowing them to handle a broad spectrum of vacuum levels. They can operate effectively in both low-pressure and high-vacuum conditions, making them versatile for different applications across various industries.
3. Efficient and Reliable Operation: These pumps are known for their reliability and consistent performance. The oil-sealed design provides effective sealing, preventing air leakage and maintaining a stable vacuum level. They are designed to operate continuously for extended periods without significant performance degradation, making them suitable for continuous industrial processes.
4. Contamination Handling: Oil-sealed vacuum pumps are effective in handling certain types of contaminants that may be present in the process gases or air being evacuated. The oil acts as a barrier, trapping and absorbing certain particulates, moisture, and chemical vapors, preventing them from reaching the pump mechanism. This helps protect the pump internals from potential damage and contributes to the longevity of the pump.
5. Thermal Stability: The presence of oil in these pumps helps in dissipating heat generated during operation, contributing to their thermal stability. The oil absorbs and carries away heat, preventing excessive temperature rise within the pump. This thermal stability allows for consistent performance even during prolonged operation and helps protect the pump from overheating.
6. Noise Reduction: Oil-sealed vacuum pumps generally operate at lower noise levels compared to other types of vacuum pumps. The oil acts as a noise-damping medium, reducing the noise generated by the moving parts and the interaction of gases within the pump. This makes them suitable for applications where noise reduction is desired, such as laboratory environments or noise-sensitive industrial settings.
7. Versatility: Oil-sealed vacuum pumps are versatile and can handle a wide range of gases and vapors. They can effectively handle both condensable and non-condensable gases, making them suitable for diverse applications in industries such as chemical processing, pharmaceuticals, food processing, and research laboratories.
8. Cost-Effective: Oil-sealed vacuum pumps are often considered cost-effective options for many applications. They generally have a lower initial cost compared to some other types of high-vacuum pumps. Additionally, the maintenance and operating costs are relatively lower, making them an economical choice for industries that require reliable vacuum performance.
9. Simplicity and Ease of Maintenance: Oil-sealed vacuum pumps are relatively simple in design and easy to maintain. Routine maintenance typically involves monitoring oil levels, changing the oil periodically, and inspecting and replacing worn-out parts as necessary. The simplicity of maintenance procedures contributes to the overall cost-effectiveness and ease of operation.
10. Compatibility with Other Equipment: Oil-sealed vacuum pumps are compatible with various process equipment and systems. They can be easily integrated into existing setups or used in conjunction with other vacuum-related equipment, such as vacuum chambers, distillation systems, or industrial process equipment.
These advantages make oil-sealed vacuum pumps a popular choice in many industries where reliable, high-performance vacuum systems are required. However, it’s important to consider specific application requirements and consult with experts to determine the most suitable type of vacuum pump for a particular use case.
Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?
Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:
Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:
1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.
2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.
3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.
4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.
5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.
It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.
In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.
What Is a Vacuum Pump, and How Does It Work?
A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:
A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:
1. Sealed Chamber:
The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.
2. Inlet and Outlet:
The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.
3. Mechanical Action:
The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:
– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.
– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.
– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.
4. Gas Evacuation:
As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.
5. Exhaust or Collection:
Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.
6. Pressure Control:
Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.
7. Monitoring and Safety:
Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.
It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.
In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.
editor by Dream 2024-05-09