“BOTH” GM Series New Diaphragm Vacuum Pump , the parts which contact with the gas are PTFE material , it’s suitable for the corrosive chemical , pharmaceutical , petrochemical gases etc . It’s used for vacuum filtration , reduced pressure distillation , rotary evaporation , vacuum concentration , centrifugal concentration , CHINAMFG phase extraction etc . It’s a very high cost performance product with quality reliability , unique structural design to meet the various needs of the laboratory.
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
You can apply for a refund up to 30 days after receipt of the products.
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.
How Do Vacuum Pumps Impact the Quality of 3D Printing?
Vacuum pumps play a significant role in improving the quality and performance of 3D printing processes. Here’s a detailed explanation:
3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by depositing successive layers of material. Vacuum pumps are utilized in various aspects of 3D printing to enhance the overall quality, accuracy, and reliability of printed parts. Here are some key ways in which vacuum pumps impact 3D printing:
1. Material Handling and Filtration: Vacuum pumps are used in 3D printing systems to handle and control the flow of materials. They create the necessary suction force to transport powdered materials, such as polymers or metal powders, from storage containers to the printing chamber. Vacuum systems also assist in filtering and removing unwanted particles or impurities from the material, ensuring the purity and consistency of the feedstock. This helps to prevent clogging or contamination issues during the printing process.
2. Build Plate Adhesion: Proper adhesion of the printed object to the build plate is crucial for achieving dimensional accuracy and preventing warping or detachment during the printing process. Vacuum pumps are employed to create a vacuum environment or suction force that securely holds the build plate and ensures firm adhesion between the first layer of the printed object and the build surface. This promotes stability and minimizes the risk of layer shifting or deformation during the printing process.
3. Material Drying: Many 3D printing materials, such as filament or powdered polymers, can absorb moisture from the surrounding environment. Moisture-contaminated materials can lead to poor print quality, reduced mechanical properties, or defects in the printed parts. Vacuum pumps with integrated drying capabilities can be employed to create a low-pressure environment, effectively removing moisture from the materials before they are used in the printing process. This ensures the dryness and quality of the materials, resulting in improved print outcomes.
4. Resin Handling in Stereolithography (SLA): In SLA 3D printing, a liquid resin is selectively cured using light sources to create the desired object. Vacuum pumps are utilized to facilitate the resin handling process. They can be employed to degas or remove air bubbles from the liquid resin, ensuring a smooth and bubble-free flow during material dispensing. This helps to prevent defects and imperfections caused by trapped air or bubbles in the final printed part.
5. Enclosure Pressure Control: Some 3D printing processes, such as selective laser sintering (SLS) or binder jetting, require the printing chamber to be maintained at a specific pressure or controlled atmosphere. Vacuum pumps are used to create a controlled low-pressure or vacuum environment within the printing chamber, enabling precise pressure regulation and maintaining the desired conditions for optimal printing results. This control over the printing environment helps to prevent oxidation, improve material flow, and enhance the quality and consistency of printed parts.
6. Post-Processing and Cleaning: Vacuum pumps can also aid in post-processing steps and cleaning of 3D printed parts. For instance, in processes like support material removal or surface finishing, vacuum systems can assist in the removal of residual support structures or excess powder from printed objects. They can also be employed in vacuum-based cleaning methods, such as vapor smoothing, to achieve smoother surface finishes and enhance the aesthetics of the printed parts.
7. System Maintenance and Filtration: Vacuum pumps used in 3D printing systems require regular maintenance and proper filtration to ensure their efficient and reliable operation. Effective filtration systems within the vacuum pumps help to remove any contaminants or particles generated during printing, preventing their circulation and potential deposition on the printed parts. This helps to maintain the cleanliness of the printing environment and minimize the risk of defects or impurities in the final printed objects.
In summary, vacuum pumps have a significant impact on the quality of 3D printing. They contribute to material handling and filtration, build plate adhesion, material drying, resin handling in SLA, enclosure pressure control, post-processing and cleaning, as well as system maintenance and filtration. By utilizing vacuum pumps in these critical areas, 3D printing processes can achieve improved accuracy, dimensional stability, material quality, and overall print 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.
1. Drain pump commonly used in washing machine/air conditioner/ dishwasher and so on.
2. The Drain pump enjoy their high efficiency, low energy consumption,long life and low noise.
3.A variety of pump covers design for customer choice, can also be designed according to customer requirements.
4.Different thickness of the iron core is suitable for all kinds of customers’ requirements.
5.The certification of TUV, UL, CCC
6.Good quality drain pump with low price. If you want drain pump more details , pls don’t hesitate to contact us.
7.The technical parameters depending on the customer’s requirements
Name
Drain pump
Type
Washing machine parts
Material
Copper/Copper Clad Aluminum/Aluminum
Voltage
110-127V/220-240V
Frequency
50/60Hz
Current
0.2A
Power
30-40W
Packing
48PCS/CTN
Detailed Photos
Main products
Company Profile
Workshop
Exhibition
Certifications
FAQ
1 Q: Are you a manufacturer or trading company?
A:We are professional drain pump and motor manufacturer for almost 10 years.
2. Q: What’s your delivery time?
A: 1. The stock samples can be sent to you within 3-5 days by international express.
2. The batch order can be shipped to you in about 25-30 days after order confirmation( by air or by sea).
3 Q: Is it all right to make customer’s own brand name?
A:Yes, we accept OEM.
4 Q: What is your loading port?
A:Xihu (West Lake) Dis. port.
5 Q: What are your payment terms?
A:We can acceptT/T,L/C,DP,.
Any more question.Please contact us without any hesitation.
/* 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
Power:
Electric
Rated Voltage:
AC110-127V/ 220-240V
Frequence:
50/60Hz
Power(W):
30-40W
Material:
Plastic&Metal
Application:
Washing Machine
Samples:
US$ 3/Piece 1 Piece(Min.Order)
|
Customization:
Available
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Basic knowledge of vacuum pump
A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its main job is to create a relative vacuum within a given volume or volumes. There are many types of vacuum pumps. This article will describe how they work, their types, and their applications.
How it works
A vacuum pump is a mechanical device that removes gas from a system by applying it to a higher pressure than the surrounding atmosphere. The working principle of the vacuum pump is based on the principle of gas transfer and entrapment. Vacuum pumps can be classified according to their vacuum level and the number of molecules that can be removed per cubic centimeter of space. In medium to high vacuum, viscous flow occurs when gas molecules collide with each other. Increasing the vacuum causes molecular or transitional flow. A vacuum pump has several components that make it a versatile tool. One of the main components is the motor, which consists of a rotor and a stator. The rotor and stator contain coils that generate a magnetic field when excited. Both parts must be mounted on a base that supports the weight of the pump. There is also an oil drain that circulates oil throughout the system for lubrication and cooling purposes. Another type of vacuum pump is the liquid ring vacuum pump. It works by positioning the impeller above or below the blades. Liquid ring pumps can also adjust the speed of the impeller. However, if you plan to use this type of pump, it is advisable to consult a specialist. Vacuum pumps work by moving gas molecules to areas of higher or lower pressure. As the pressure decreases, the removal of the molecules becomes more difficult. Industrial vacuum systems require pumps capable of operating in the 1 to 10-6 Torr range.
Type
There are different types of vacuum pumps. They are used in many different applications, such as laboratories. The main purpose of these pumps is to remove air or gas molecules from the vacuum chamber. Different types of pumps use different techniques to achieve this. Some types of pumps use positive displacement, while others use liquid ring, molecular transfer, and entrapment techniques. Some of these pumps are used in industrial processes, including making vacuum tubes, CRTs, electric lights, and semiconductor processing. They are also used in motor vehicles to power hydraulic components and aircraft. The gyroscope is usually controlled by these pumps. In some cases, they are also used in medical settings. How a vacuum pump works depends on the type of gas being pumped. There are three main types: positive displacement, negative displacement, and momentum transfer. Depending on the type of lubrication, these principles can be further divided into different types of pumps. For example, dry vacuum pumps are less sensitive to gases and vapors. Another type of vacuum pump is called a rotary vane pump. This type of pump has two main components, the rotor and the vacuum chamber. These pumps work by rotating moving parts against the pump casing. The mating surfaces of rotary pumps are designed with very small clearances to prevent fluid leakage to the low pressure side. They are suitable for vacuum applications requiring low pulsation and high continuous flow. However, they are not suitable for use with grinding media. There are many types of vacuum pumps and it is important to choose the right one for your application. The type of pump depends on the needs and purpose of the system. The larger ones can work continuously, and the smaller ones are more suitable for intermittent use.
Apply
Vacuum pumps are used in a variety of industrial and scientific processes. For example, they are used in the production of vacuum tubes, CRTs, and electric lamps. They are also used in semiconductor processing. Vacuum pumps are also used as mechanical supports for other equipment. For example, there may be multiple vacuum pumps on the engine of a motor vehicle that powers the hydraulic components of an aircraft. In addition, they are often used in fusion research. The most common type of vacuum pump used in the laboratory is the rotary vane pump. It works by directing airflow through a series of rotating blades in a circular housing. As the blades pass through the casing, they remove gas from the cavity and create a vacuum. Rotary pumps are usually single or double-stage and can handle pressures between 10 and 6 bar. It also has a high pumping speed. Vacuum pumps are also used to fabricate solar cells on wafers. This involves a range of processes including doping, diffusion, dry etching, plasma-enhanced chemical vapor deposition, and bulk powder generation. These applications depend on the type of vacuum pump used in the process, and the vacuum pump chosen should be designed for the environment. While there are several types of vacuum pumps available, their basic working principles remain the same. Each has different functions and capacities, depending on the type of vacuum. Generally divided into positive displacement pump, rotary vane pump, liquid ring pump, and molecular delivery pump.
Maintenance
The party responsible for general maintenance and repairs is the Principal Investigator (PI). Agknxs must be followed and approved by the PI and other relevant laboratory personnel. The Agknx provides guidelines for routine maintenance of vacuum pump equipment. Agknxs are not intended to replace detailed routine inspections of vacuum pump equipment, which should be performed by certified/qualified service personnel. If the device fails, the user should contact PI or RP for assistance. First, check the vacuum pump for any loose parts. Make sure the inlet and outlet pressure gauges are open. When the proper pressure is shown, open the gate valve. Also, check the vacuum pump head and flow. Flow and head should be within the range indicated on the label. Bearing temperature should be within 35°F and maximum temperature should not exceed 80°F. The vacuum pump bushing should be replaced when it is severely worn. If the vacuum pump has experienced several abnormal operating conditions, a performance test should be performed. Results should be compared to reference values to identify abnormalities. To avoid premature pump failure, a systematic approach to predictive maintenance is essential. This is a relatively new area in the semiconductor industry, but leading semiconductor companies and major vacuum pump suppliers have yet to develop a consistent approach. A simplified pump-down test method is proposed to evaluate the performance of vacuum pumps. The method includes simulated aeration field tests and four pump performance indicators. Performance metrics are evaluated under gas-loaded, idle, and gas-load-dependent test conditions.
Cost
The total cost of a vacuum pump consists of two main components: the initial investment and ongoing maintenance costs. The latter is the most expensive component, as it consumes about four to five times the initial investment. Therefore, choosing a more energy-efficient model is a good way to reduce the total system cost and payback period. The initial cost of a vacuum pump is about $786. Oil-lubricated rotary vane pumps are the cheapest, while oil-free rotary vane pumps are slightly more expensive. Non-contact pumps also cost slightly more. The cost of a vacuum pump is not high, but it is a factor that needs careful consideration. When choosing a vacuum pump, it is important to consider the type of gas being pumped. Some pumps are only suitable for pumping air, while others are designed to pump helium. Oil-free air has a different pumping rate profile than air. Therefore, you need to consider the characteristics of the medium to ensure that the pump meets your requirements. The cost of a vacuum pump can be much higher than the purchase price, as the daily running and maintenance costs can be much higher. Lubricated vacuum pumps tend to be more durable and less expensive, but they may require more maintenance. Maintenance costs will depend on the type of gas that needs to be pumped. Lighter gases need to be pumped slowly, while heavier gases need to be pumped faster. The maintenance level of a vacuum pump also depends on how often it needs to be lubricated. Diaphragm vacuum pumps require regular maintenance and oil changes. The oil in the diaphragm pump should be changed every 3000 hours of use. The pump is also resistant to chemicals and corrosion. Therefore, it can be used in acidic and viscous products.
1. How can I get the price? – We usually quote within 12 hours after we get your inquiry .You can contact me in “Made in China”
2. Can I buy samples? – Yes. Please feel free to contact us. -Our MOQ: 1 SETS
3. What is your delivery time? – It depends on the order quantity,as general with 15 days.
4. What is your payment term? – T/T, CASH.L/C,Western Union, MoneyGram, and Paypal. This is negotiable.
5. What is the shipping method? – It could be shipped by sea, by air, Please confirm with us before placing orders.
6. How do you make our business long-term and good relationship? – Best Quality + Fast Delivery time + Competitive price + Professional service
/* 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
Material:
Iron
Usage:
for Experiment, for Air Conditioner, for Manufacture, for Refrigerate, Cast Iron
Flow Direction:
Axial Flow
Pressure:
High Pressure
Certification:
ISO, CE, CCC
Transport Package:
Wooden Cases
Samples:
US$ 2030/Piece 1 Piece(Min.Order)
|
Customization:
Available
|
What Are the Differences Between Dry and Wet Roots Vacuum Pumps?
Dry and wet Roots vacuum pumps are two different types of pumps with distinct operating principles and characteristics. Here’s a detailed explanation of their differences:
1. Operating Principle:
– Dry Roots Vacuum Pump: A dry Roots vacuum pump operates without the use of any lubricating fluid or sealing liquid. It consists of two or more intermeshing lobed rotors that rotate in opposite directions, creating a series of expanding and contracting chambers. As the rotors rotate, gas is trapped in the chambers and carried from the inlet to the outlet, resulting in the generation of a vacuum.
– Wet Roots Vacuum Pump: A wet Roots vacuum pump, also known as a liquid ring pump, uses a liquid, typically water or another compatible liquid, as a sealing and working fluid. The liquid forms a rotating ring inside the pump, creating a seal between the lobes of the rotors. As the rotors turn, the liquid ring traps and carries the gas from the inlet to the outlet, creating a vacuum.
2. Lubrication and Sealing:
– Dry Roots Vacuum Pump: Dry Roots pumps do not require lubrication or sealing fluid. The absence of liquids eliminates the need for maintenance associated with fluid handling, such as oil changes or water management. Dry pumps are often preferred in applications where contamination from lubricants or sealing fluids is a concern, such as in semiconductor manufacturing or pharmaceutical industries.
– Wet Roots Vacuum Pump: Wet Roots pumps rely on a liquid seal for operation, requiring a continuous supply of sealing liquid, typically water. The liquid serves as both a sealant and a coolant for the pump. However, it also necessitates careful management of the liquid, including water supply, disposal, and potential contamination risks. Wet pumps are commonly used in applications where the presence of the sealing liquid is not a concern or can be easily managed.
3. Operation Efficiency:
– Dry Roots Vacuum Pump: Dry pumps are known for their high operational efficiency. They can achieve high pumping speeds and create substantial vacuum levels. Dry pumps are particularly suitable for processes that require quick pump-down times or applications where a deep vacuum is necessary.
– Wet Roots Vacuum Pump: Wet pumps typically have lower pumping speeds compared to dry pumps. While they can achieve moderate vacuum levels, they are not as effective in creating deep vacuums. Wet pumps are often used in processes where the pumping speed requirements are not as demanding, or in applications where the presence of the sealing liquid can provide benefits, such as in handling condensable gases or preventing contamination.
4. Application Suitability:
– Dry Roots Vacuum Pump: Dry pumps are commonly used in a wide range of applications, including semiconductor manufacturing, analytical instruments, vacuum packaging, and industrial processes. Their ability to handle different gases and their high operational efficiency make them suitable for various industries and processes.
– Wet Roots Vacuum Pump: Wet pumps find application in processes where the presence of a sealing liquid is advantageous. They are often used in applications involving the handling of water vapor, condensable gases, or corrosive gases. Wet pumps are utilized in industries such as chemical processing, pharmaceuticals, food processing, and environmental applications.
5. Maintenance and Care:
– Dry Roots Vacuum Pump: Dry pumps generally require less maintenance compared to wet pumps. They do not rely on sealing liquid, reducing the need for fluid changes, disposal, or monitoring of liquid levels. Dry pumps may require periodic maintenance, such as cleaning, inspection, and rotor lubrication, but the maintenance requirements are typically less frequent and less involved.
– Wet Roots Vacuum Pump: Wet pumps require regular maintenance due to the presence of the sealing liquid. Maintenance tasks include monitoring and replenishing the liquid, managing the water supply, and ensuring proper disposal of the used liquid. The sealing liquid may also require filtration or treatment to remove contaminants or prevent scaling or corrosion.
In summary, dry and wet Roots vacuum pumps differ in their operating principles, lubrication and sealing methods, operation efficiency, application suitability, and maintenance requirements. Dry pumps operate without lubrication or sealing fluid, offer high efficiency and are suitable for a wide range of applications. Wet pumps rely on a liquid seal, have lower pumping speeds, are used in applications where the liquid presence is advantageous, and require regular maintenance and care.
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.
1. How can I get the price? – We usually quote within 12 hours after we get your inquiry .You can contact me in “Made in China”
2. Can I buy samples? – Yes. Please feel free to contact us. -Our MOQ: 1 SETS
3. What is your delivery time? – It depends on the order quantity,as general with 15 days.
4. What is your payment term? – T/T, CASH.L/C,Western Union, MoneyGram, and Paypal. This is negotiable.
5. What is the shipping method? – It could be shipped by sea, by air, Please confirm with us before placing orders.
6. How do you make our business long-term and good relationship? – Best Quality + Fast Delivery time + Competitive price + Professional service
/* 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(/(.*?):(.*)$/))&&1
Material:
Iron
Usage:
for Experiment, for Air Conditioner, for Manufacture, for Refrigerate, Cast Iron
Flow Direction:
Axial Flow
Pressure:
High Pressure
Certification:
ISO, CE, CCC
Transport Package:
Wooden Cases
Samples:
US$ 2115/Piece 1 Piece(Min.Order)
|
Customization:
Available
|
What Is the Significance of Roots Vacuum Pumps in the Aerospace Sector?
Roots vacuum pumps play a significant role in various applications within the aerospace sector. Here’s a detailed explanation:
1. Space Simulation Chambers:
– Vacuum Simulation: Roots vacuum pumps are utilized in space simulation chambers to create and maintain vacuum conditions similar to the space environment. These chambers are used to test and simulate the performance of aerospace components and systems under low-pressure conditions, including the effects of vacuum on materials, electronics, and mechanical systems.
– Thermal Vacuum Testing: Roots pumps are crucial in thermal vacuum testing, where aerospace components and systems are subjected to extreme temperature and vacuum conditions. The pumps help evacuate the test chamber and maintain the required vacuum level, enabling accurate thermal testing and evaluation of aerospace equipment’s performance and functionality in space-like conditions.
2. Propellant Handling and Storage:
– Rocket Engine Testing: Roots vacuum pumps are employed in rocket engine testing facilities for propellant handling and storage. They assist in creating a vacuum environment during the propellant loading and purging processes, ensuring the removal of air or contaminants from the propellant tanks and lines. This helps maintain the propellant’s quality and prevents potential issues, such as cavitation or gas bubble formation, that could affect engine performance.
– Fuel Systems: Roots pumps are used in aerospace fuel systems to evacuate and degas the fuel tanks, ensuring the removal of air or gas bubbles that may compromise fuel delivery and engine operation. These pumps contribute to the overall efficiency, reliability, and safety of fuel systems in aerospace vehicles.
3. Environmental Control Systems (ECS):
– Cabin Pressure Control: Roots vacuum pumps are utilized in the environmental control systems of aircraft and spacecraft to help control cabin pressure. By creating a vacuum or adjusting the air circulation, these pumps assist in maintaining the desired cabin pressure levels, ensuring passenger comfort, and providing a safe and controlled environment during flight.
4. Avionics and Electronics:
– Electronic Component Testing: Roots vacuum pumps are employed in the testing and validation of avionics and electronic components used in aerospace applications. These pumps assist in creating a controlled vacuum environment during testing, allowing engineers to evaluate the performance, reliability, and durability of electronic systems under low-pressure conditions.
– Vacuum Encapsulation: In certain aerospace applications, electronic components or circuits may require vacuum encapsulation for protection against harsh environmental conditions, including high altitude, temperature variations, or moisture. Roots vacuum pumps are utilized to create the necessary vacuum environment for the encapsulation process, ensuring the integrity and longevity of sensitive electronics.
5. Space Propulsion Systems:
– Ion Thrusters and Electric Propulsion: Roots vacuum pumps are integral components of ion thrusters and electric propulsion systems used in spacecraft. These pumps aid in the creation and maintenance of the high vacuum conditions required for the operation of these advanced propulsion technologies. They contribute to the efficient exhaust gas removal, ensuring optimal thrust generation and fuel efficiency.
6. Satellite Manufacturing and Testing:
– Satellite Chamber Evacuation: Roots vacuum pumps are utilized in satellite manufacturing and testing facilities for the evacuation of satellite chambers. These pumps help create the required vacuum conditions during satellite assembly, testing, and payload integration, ensuring the cleanliness, functionality, and performance of satellite systems and instruments.
In summary, Roots vacuum pumps have significant significance in the aerospace sector. They are utilized in space simulation chambers, propellant handling and storage, environmental control systems, avionics and electronics testing, space propulsion systems, and satellite manufacturing and testing. By creating and maintaining vacuum conditions, Roots pumps contribute to the performance, reliability, and safety of aerospace components, systems, and vehicles. They play a vital role in supporting space exploration, satellite communication, and the advancement of aerospace technologies.
Are Roots Vacuum Pumps Used in Industrial Applications?
Yes, Roots vacuum pumps are widely used in various industrial applications. Here’s a detailed explanation of their application in industrial settings:
1. Chemical Processing: Roots vacuum pumps find extensive use in the chemical processing industry. They are employed for processes such as vacuum distillation, solvent recovery, drying, and degassing. Their high pumping speed and ability to handle corrosive gases make them suitable for handling various chemical vapors and byproducts.
2. Pharmaceuticals: In the pharmaceutical industry, Roots vacuum pumps are utilized for applications such as vacuum drying, tablet coating, freeze drying, and vacuum packaging. Their oil-free operation ensures a clean and contaminant-free vacuum environment, which is crucial for pharmaceutical manufacturing processes.
3. Food Processing: Roots vacuum pumps play a significant role in the food processing industry. They are employed for vacuum packaging, vacuum cooling, and vacuum drying of food products. The oil-free operation of Roots vacuum pumps ensures food safety and eliminates the risk of contamination.
4. Environmental Technology: Roots vacuum pumps are utilized in environmental technology applications, including wastewater treatment, biogas processing, and air pollution control. They are employed to extract gases, control emissions, and facilitate the treatment and purification of air and water.
5. Semiconductor Manufacturing: In the semiconductor industry, Roots vacuum pumps are used for processes such as ion implantation, physical vapor deposition (PVD), chemical vapor deposition (CVD), and etching. Their high pumping speed and oil-free operation are crucial for maintaining clean vacuum conditions required in semiconductor fabrication.
6. Packaging and Printing: Roots vacuum pumps are employed in packaging and printing applications. They are used for vacuum packaging of products, vacuum forming of packaging materials, and in printing presses for paper handling and ink transfer.
7. Automotive Industry: Roots vacuum pumps find application in the automotive industry for processes such as brake system vacuum assist, crankcase ventilation, and emissions control systems. They help create vacuum conditions required for the operation of various automotive systems.
8. Research and Laboratory: Roots vacuum pumps are utilized in research laboratories and scientific facilities for a wide range of applications. They are used in vacuum ovens, freeze dryers, vacuum filtration, electron microscopy, surface analysis, and other laboratory processes that require controlled vacuum environments.
9. Energy Industry: In the energy sector, Roots vacuum pumps are used for applications such as steam turbine condenser air extraction, transformer drying, and vacuum impregnation of electrical components. They help maintain proper vacuum conditions for efficient and reliable operation of energy systems.
These are just a few examples of the industrial applications where Roots vacuum pumps are commonly used. Their high pumping speed, large gas handling capacity, oil-free operation, reliability, and versatility make them suitable for a wide range of industrial processes that require efficient and reliable vacuum generation.
We are looking for the agents from all over the world. If you want to represent our products, welcome to contact me.
Product Description
Roots pump is a kind of vacuum pump without internal compression. It is a vacuum pump that realizes air extraction by moving gas under the pushing action of synchronous and reverse rotation of a pair of “8” shaped rotors in the pump cavity. Generally, the pumping rate is large and the power of the motor is small, so the front pump is required to pre pump. After the front pump reaches the specified vacuum degree, start the roots vacuum pump to improve the pumping speed and vacuum degree. Its structure and working principle are similar to roots blower. During operation, its suction is connected with the evacuated container or the main pump of vacuum system. There is no contact between rotors of Roots vacuum pump and between rotors and pump casing.
Our Advantages
The running parts in the pump have no friction, no lubrication, and there is no oil in the pump cavity, so a clean vacuum can be obtained.
2 leaf involute cycloid profile, high-precision machining to ensure smooth and quiet operation.
the gas in the pump chamber flows vertically, which is conducive to the discharge of dust and condensate in the pumped gas.
. The high-strength rotor with complete symmetry and precise dynamic balance operates stably and reliably.
high precision gear, imported bearing, low vibration and noise.
the new omni-directional three-dimensional water-cooling jacket design can effectively cool the pump body and greatly prolong the service life of the pump.
the overflow surface can be plated with shackles, Hastelloy and PTFE, which can adapt to corrosive environments with different strengths.
it is convenient to form roots vacuum unit with liquid ring vacuum pump, rotary vane vacuum pump and dry vacuum 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
Pumping Speed L/S
Maximum allowable differential pressure (Pa)
Pump Speed(RPM)
Inlet Diameter(mm)
Outlet Diameter(mm)
Motor Power(kw)
ZJB-70
70
8000
2850
80
50
1.5
ZJB-150
150
6000
2850
100
80
3
ZJB-300
300
5000
2900
150
100
4
ZJB-600
600
4000
2900
200
150
5.5Z7.5
ZJ-1200
1200
3000
2900
250
200
11/15
ZJ-2500
2500
2600
2900
300
250
22
ZJ-3750
3750
2600
1450
350
350
30
ZJ-5000
5000
2600
1450
400
400
45
Detailed Photos
Roots Vacuum Pump
Roots Vacuum Pump
High efficiency roots + water ring vacuum pump unit
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 many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We 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 cooperation
In shipment
ISO 9001
High tech enterprise certificate
Welcome to send your needs, we will provide you with the best service,
provide the greatest help!!!
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Warranty:
One Year
Oil or Not:
Oil Free
Structure:
Screw
Exhauster Method:
Entrapment Vacuum Pump
Vacuum Degree:
High Vacuum
Work Function:
Mainsuction Pump
Customization:
Available
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How Do You Select the Right Size Roots Vacuum Pump for a Specific Application?
Selecting the right size Roots vacuum pump for a specific application requires careful consideration of various factors. Here’s a detailed explanation:
1. Determine the Required Pumping Speed: The pumping speed is a crucial parameter that indicates the volume flow rate of gas that the Roots vacuum pump can handle. To select the right size pump, you need to determine the required pumping speed for your application. Consider factors such as the volume of the system being evacuated, the gas load, and the desired evacuation time. The required pumping speed will help narrow down the options and identify pumps that can meet your application’s demands.
2. Consider the Ultimate Vacuum Level: The ultimate vacuum level is the lowest pressure that the Roots vacuum pump can achieve under ideal conditions. Different applications have varying vacuum level requirements. Determine the desired ultimate vacuum level for your application, keeping in mind factors such as the sensitivity of the process, the presence of moisture or contaminants, and the specific requirements of the downstream equipment or processes. Ensure that the selected pump can reach the required vacuum level.
3. Evaluate Gas Composition and Characteristics: The composition and characteristics of the gas being pumped are essential considerations. Some gases, such as condensable vapors or corrosive gases, may require special pump features or materials to ensure efficient and safe operation. Consider the gas composition, including its chemical properties, temperature, and any potential challenges it may pose to the pump’s performance or longevity. Consult the pump manufacturer or specialist for guidance on selecting a pump suitable for handling the specific gas or gas mixture in your application.
4. Account for System Constraints and Operating Conditions: Assess the system constraints and operating conditions that may impact the pump’s performance. Factors such as the available space for the pump, power supply requirements, cooling options, and noise limitations should be taken into consideration. Additionally, consider any specific operating conditions such as temperature extremes, high-altitude operation, or continuous-duty requirements. Ensure that the selected pump is compatible with the system constraints and can operate reliably under the anticipated operating conditions.
5. Consult Manufacturer Specifications and Performance Curves: Review the manufacturer’s specifications and performance curves for the Roots vacuum pumps under consideration. These documents provide detailed information about the pump’s capabilities, operating ranges, and performance characteristics. Pay attention to parameters such as pumping speed, ultimate vacuum level, power requirements, and any specific features or limitations. Compare the specifications with your application requirements to identify pumps that align with your needs.
6. Seek Expert Advice: If you are unsure about the pump selection process or have complex application requirements, it is recommended to seek advice from pump manufacturers or specialists. They can provide valuable insights, recommend suitable pump models, and assist in evaluating your specific application needs.
7. Consider Future Expansion and Flexibility: When selecting a Roots vacuum pump, consider the potential for future expansion or changes in your application. If there is a possibility of increased gas load or system requirements in the future, it may be advantageous to select a slightly larger pump to accommodate potential growth and ensure long-term suitability.
In summary, selecting the right size Roots vacuum pump involves determining the required pumping speed, considering the ultimate vacuum level, evaluating gas composition and characteristics, accounting for system constraints and operating conditions, consulting manufacturer specifications, and seeking expert advice when needed. By carefully considering these factors, you can choose a Roots vacuum pump that meets the specific requirements of your application, ensuring efficient and reliable operation.
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.
SHZ-D(III) table type anti-corrosion circulating water vacuum pump is on basis of multiple purpose circulating water vacuum pump, considered from the small laboratory area, referred to Japanese table model pump, and make improvements of one-time molding shell and reduced volume. SHZ-D(III) table type anti-corrosion circulating water vacuum pump has features of small volume, light weight, beautiful appearance, double-meter and double-end air exhausting, four-meter and four-end, it’s a multiple purpose vacuum pump whose both sides are the same, which is not only convenient for teacher to demonstrate, but also for students to turn on/off from any side.
SHZ-D(III) table type anti-corrosion circulating water vacuum pump’s engine body has double tapping, can be single used or parallel used with 2 vacuum meter. Main engine is made from stainless steel movement and anti-corrosion movement. It embraces advantages of anti-corrosion, no pollution, low noise and convenient to move, can also add vacuum control valve according to client needs. SHZ-D(III) table type anti-corrosion circulating water vacuum pump enables 4 students to conduct chemical experiments at the same time, and shrank experiment space.
Product Features
Water-saving and recycling use. It is particularly suitable for tall building laboratory which is lack of water or insufficient water pressure. After testing in 1 working day, continuous use may save water more than 8 tons.
Multi-function application. Providing vacuum conditions, as well as circulating cooling water to the reaction device. Suction air hole can work alone or in parallel operation.
Corrosion resistant, free-pollution, stable performance, low noise and durable.
The water vacuum pumps use water as the working fluid, adopt fluidicsto form negative pressure. The motor is made of stainless steel or anti-corrosion material.
Our Advantages
The circulating water vacuum pump uses the rotation of the motor to drive the circulating water and extract the gas in the connecting system, which has achieved the purpose of gradually reducing the pressure in the system. At present, the circulating water pump is often used in the laboratory for decompression filtration and other operations.
The water saving effect is obvious. Due to the water circulation operation, the water added to the water tank can be cycled back and forth, which overcomes the phenomenon of wasting a lot of water when the tap water method is directly vacuuming.
Multifunctional comprehensive application. In addition to providing vacuum conditions, this machine can also automatically circulate water externally to provide circulating cooling water for the reaction device.
Fashionable and easy to use.
The machine is equipped with 5 suction nozzles, which can be used to pump air separately or observe the vacuum degree at the same time.
Corrosion resistance, no pollution. The pump parts of this machine are made of stainless steel, and the water tank is made of ABS plastic. It is formed in 1 time and is not affected by corrosive substances such as acid and alkali.
Product Parameters
Product Model
SHZ-DIII
Power
370W
Power Supply
220V
Flow
40L/MIN
Head
12M
Pump Head Material
Corrosion resistant
Pump Head
4 pieces
Sucking Rate
10L/MIN
Vacuum Degree
0.098MPA
Volume
15L
Dimension
520mm*440mm*350mm
Product Details
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You can apply for a refund up to 30 days after receipt of the products.
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.
The material and form design of the rubber rotor pump, also known as wear-resistant rotor pump, wear-resistant slurry pump, and rotor pump’s special wear-resistant rotor provide a perfect conveying solution for working conditions that require wear resistance. Moreover, the rubber rotor pump has equipped wear-resistant CZPT plate XARA5 CP Pressure range:0-1.5MPa Connection method: coupling, etc Power configuration: electric motor, diesel engine, water turbine, hydraulic motor, etc
Intake and outlet types
Work principle
Principle: Two helical cam rotors operate relative to each other under the synchronous gear drive of 2 parallel shafts. A sealed cavity is continuously formed between the rotor and the pump body, and the medium filled in the cavity is constantly pushed towards the discharge end by the rotating rotor from the inlet end, forming a vacuum at the suction end. The medium is constantly sucked in, with almost no pulse or disturbance.
Workshop Line
Application Range
Installation instance 1. Rubber rotor pumps can be applied to environmental protection equipment for sewage treatment, sludge transportation, and the transportation of media with small amounts of particulate matter. 2. Applied in the fields of chemical and petroleum production, conveying liquids for complex working conditions. 3. Liquids that can transport small and micro particles in the mining and metallurgical industries. 4. In the food production process, various sauces and particles can be transported without damaging the materials. 5. In the field of daily chemical industry, it can transport liquids of various viscosities such as laundry detergent and shampoo. 6. It can be used as a clearing and sweeping application in the shipbuilding industry. 7. Various oil media can be transported during the oil processing process.
Petroleum Crude oil, sludge, heavy oil, fuel oil, diesel, benzene, kerosene, oil-water mixture, solid-liquid gas multiphase mixture, unloading, warehouse cleaning, etc Mining Mine sludge, mud, drilling waste liquid, titanium dioxide, lime slurry, gypsum mud, flotation fluid, special tank car, vacuum sewage Environment protection Municipal sewage, sewage pump station, chemical wastewater, scum, flocculant, landfill leachate, sludge, water oil mixture Chemical industry Paint, resin and polymer, dye, grease, solution, lotion, paint, face cream, paste, various mixtures, acid-base semi-finished products and finished products Paper-making Pulp, various pharmaceutical materials, muddy waste, defoamers, water treatment chemicals, etc Agriculture Liquid fertilizer, sewage, animal manure, biogas slurry, animal feed Municipal administration Emergency drainage, emergency mobile pump unit
Our Advantages
Recommended product
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After-sales Service:
Online Service
Warranty:
1 Year
Mesh Form:
Internal Engaged
Power:
Hydraulic
Type:
Normal Line Gear Pump
Applications:
Slurry
Customization:
Available
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How to check the vacuum pump
A vacuum pump is a machine that draws gas molecules from a volume and maintains a partial vacuum. Its main job is to create a relative vacuum within the stated capabilities. If your vacuum pump isn’t working properly, it may need service. Read on to learn more about the types of vacuum pumps and how to check them.
Principle of industrial vacuum pump
Industrial vacuum pumps are used in industrial processes that require vacuum. These pumps are designed to generate, improve and maintain vacuum. Learn about the different types of industrial vacuum technology. You can start by reading about the most common types of industrial vacuum pumps. These pumps can be used in a variety of industrial processes from cleaning to manufacturing. Regardless of the technology used to manufacture these pumps, the basic principles behind their operation are the same. The speed and mass flow of the pump will determine its capacity and suitability. A faster flow rate will minimize the time it takes for the machine to empty. Another important factor to consider is the type of vacuum you need. A liquid ring vacuum pump is an industrial pump that uses a ring of liquid to form a seal. This type of pump is best suited for applications with high vapor loads and high liquid carry-over. Liquid ring vacuum pumps can be divided into two categories: liquid ring vacuum pumps and scroll vacuum pumps. Industrial vacuum pumps work by removing gas molecules from a chamber. The partial vacuum created allows material to flow through the void. As more molecules are removed, the pressure in the chamber decreases, releasing energy that can be used for a variety of different purposes. The most common use of industrial vacuum pumps is for electric lights. In these lamps, a vacuum pump removes the gas, causing the bulb to light up. Energy from the vacuum is also used in aircraft to power instruments. In addition to powering industrial vacuum cleaners, they are used in a variety of other environments. High-performance industrial vacuum systems require specific materials that can withstand extreme pressure. This means that the materials used in these systems need to be properly checked. They must also be free of organic debris and other contaminants before they can be safely placed in the chamber.
Types of vacuum pumps
There are various types of vacuum pumps. Which one to choose should depend on the purpose of the pump and the degree of vacuum that must be achieved. It is mainly divided into three categories: rough vacuum or low vacuum, high vacuum and ultra-high vacuum. They all have varying degrees of scarcity. The higher the pressure, the fewer molecules per cubic centimeter. This in turn improves vacuum quality. The vacuum pump is critical to the operation of the vacuum system. These devices are divided into three main categories according to their working pressure range. These pumps have different characteristics and technologies that make them ideal for specific applications. The choice of vacuum pump required for a particular application depends on how much vacuum you need, and how much power you are willing to spend. Vacuum pumps are used in a variety of industrial and scientific processes. Their main function is to remove gas molecules from the sealed volume, leaving a partial vacuum. There are many different types of vacuum pumps, including rotary piston, liquid ring and scroll vacuum pumps. In addition, turbomolecular pumps are used. Dry vacuum pumps are more expensive than wet vacuum pumps. Wet vacuum pumps use oil as their lubricating fluid. Different types of oils are used depending on the application. Some wet pumps have additional features, including contaminant filtration. However, wet systems have one major disadvantage: the contact between oil and fluid. To avoid this, oil separators are usually used. There are several different types of vacuum pumps. The basic type is the positive displacement pump. It operates by expanding the chamber and removing gas molecules. The intake valve draws fluid into the chamber, while the exhaust valve opens when the chamber is at maximum expansion. This cycle repeats several times per second. Positive displacement pumps are often used in multistage vacuum systems.
Maintenance of vacuum pump
Regular maintenance is very important to ensure the long-term effective use of the vacuum pump. One way to ensure proper pump performance is to change the oil regularly. Pump oil may be contaminated by vapor condensation. To avoid this problem, close the inlet valve for 20 to 30 minutes before applying vacuum. It is also important to install an inlet cold trap to protect the pump from corrosive vapors. Another way to prolong the life of your vacuum pump is to periodically remove any solvent in it. This step reduces internal corrosion and prevents premature pump failure. During maintenance, be sure to disconnect the power supply to the vacuum pump. After cleaning, store it in a dry and safe place. The pump should also be disposed of in accordance with local regulations. Vacuum pumps may require frequent oil changes, especially when used in wet chemistry. The standard rule is to change the oil after 3,000 hours of use, but some pumps require more frequent oil changes. It is also important to clean the oil regularly, as dirty or discolored oil can affect the performance of the pump. Vacuum pumps are often equipped with on-site glass to allow the user to visually check the oil level. Clean oil will appear transparent, while dirty oil will appear darker. Frequent oil changes are essential, as oil changes can help spot various potential problems. Changes in vacuum pump performance or strange noises are also good indicators of a problem. After an oil change, the vacuum pump should be cleaned thoroughly with a soft cloth and mild degreaser. Oil changes should take less than ten minutes, and they will extend the life of your equipment. Additionally, the outside of the pump should be wiped with a cloth or rag. The pump must be properly vented to avoid internal corrosion. If possible, place the pump away from hot equipment or rooms. Overheating can reduce the viscosity of the oil and cause premature pump failure. In addition, it can lead to overwork of other expensive scientific equipment. Heat can also cause cracked rubber parts and oil leaks.
Signs of damage to the vacuum pump
A bad vacuum pump can cause a variety of automotive problems, including poor fuel economy, difficult braking, undercarriage oil leaks, and faulty air conditioning. If any of these problems occur, call a mechanic to check your vehicle’s vacuum pump. You can also check the air conditioner and brake pedal to see if they are working properly. A loud noise from the pump can also be a symptom of a malfunction. These noises are often caused by the aging and accumulated wear of specific components. If this is the case, the diaphragm, valve plate or seals may need to be replaced. However, if the noise is coming from bearings or other areas, more extensive repairs may be required. Additionally, dust and other contaminants can enter the pump chamber, which can degrade pump performance. If the vacuum pump won’t start, it could be a blown fuse or a power or voltage problem. Other common causes are flow restrictions or improper installation at the entrance. Also, the vacuum pump may be damaged or the capacitors may be of poor quality. It’s not always easy to tell if a vacuum pump is leaking oil, but a greasy transmission can indicate a vacuum pump failure. A leaking vacuum pump can also hiss when the car’s engine is running. If you hear it, check the hoses and connections to make sure there are no leaks. A vacuum leak may indicate a faulty vacuum pump, so you need to replace it as soon as possible. Checking end pressure is easy, but a pressure gauge can also serve as a sign. You can also check for pump vibration by running a short procedure. Excessive vibration can be subtle, but it can greatly affect your process. If you notice excessive pump vibration, you should contact a professional immediately. Poor pump performance can cause many problems for your company. A bad vacuum pump not only wastes material, it also damages your tools and reputation.
HangZhou Bee Automobile Parts Co., Ltd. establish in 1990, located in HangZhou China which is specialized in the export of Vehicle Parts with annual exports 10-20 million US dollars.Also we have our own brand named B.E.E. Our products cover European, American, Australian, Japanese and so on, enjoy a good reputation among clients. We insist on the TS16949:2002 and international quality standard.Our parts are supplied to customers after being manufactured at our own production facilities or by trusted production partners. We supply quality, inexpensive, OE replacement parts for steering and suspension components, body, brake assemblies, cooling systems, engine, electrical sensor systems, fuel system, hydraulic system and other auto parts categories.
Product Parameters
Size
Same as OE
Warranty
1 Years
Place of Origin
China
Brand Name
BEE
Certification
CE
Type
Vacuum Pump
About Us
Why Chose Us
Certifications
FAQ
Q1. What is the advantage about your company?
A1. Our company has professional team and professional production line.
Q2. Whyshould I choose your products?
A2. Our products are high quality and low price.
Q3. The logo and the color can be customized?
A3.Yes, we welcome you to sample custom
Q4. Any other good service your company can provide?
A4. Yes,we can provide good after-saleand fast delivery.
Packing & Delivery
Main Market
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You can apply for a refund up to 30 days after receipt of the products.
Can Vacuum Pumps Be Used in the Automotive Industry?
Yes, vacuum pumps are widely used in the automotive industry for various applications. Here’s a detailed explanation:
The automotive industry relies on vacuum pumps for several critical functions and systems within vehicles. Vacuum pumps play a crucial role in enhancing performance, improving fuel efficiency, and enabling the operation of various automotive systems. Here are some key applications of vacuum pumps in the automotive industry:
1. Brake Systems: Vacuum pumps are commonly used in vacuum-assisted brake systems, also known as power brakes. These systems utilize vacuum pressure to amplify the force applied by the driver to the brake pedal, making braking more efficient and responsive. Vacuum pumps help generate the required vacuum for power brake assistance, ensuring reliable and consistent braking performance.
2. Emission Control Systems: Vacuum pumps are integral components of emission control systems in vehicles. They assist in operating components such as the Exhaust Gas Recirculation (EGR) valve and the Evaporative Emission Control (EVAP) system. Vacuum pumps help create the necessary vacuum conditions for proper functioning of these systems, reducing harmful emissions and improving overall environmental performance.
3. HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) systems in vehicles often utilize vacuum pumps for various functions. Vacuum pumps help control the vacuum-operated actuators that regulate the direction, temperature, and airflow of the HVAC system. They ensure efficient operation and precise control of the vehicle’s interior climate control system.
4. Turbocharger and Supercharger Systems: In performance-oriented vehicles, turbocharger and supercharger systems are used to increase engine power and efficiency. Vacuum pumps play a role in these systems by providing vacuum pressure for actuating wastegates, blow-off valves, and other control mechanisms. These components help regulate the boost pressure and ensure optimal performance of the forced induction system.
5. Fuel Delivery Systems: Vacuum pumps are employed in certain types of fuel delivery systems, such as mechanical fuel pumps. These pumps utilize vacuum pressure to draw fuel from the fuel tank and deliver it to the engine. While mechanical fuel pumps are less commonly used in modern vehicles, vacuum pumps are still found in some specialized applications.
6. Engine Management Systems: Vacuum pumps are utilized in engine management systems for various functions. They assist in operating components such as vacuum-operated actuators, vacuum reservoirs, and vacuum sensors. These components play a role in engine performance, emissions control, and overall system functionality.
7. Fluid Control Systems: Vacuum pumps are used in fluid control systems within vehicles, such as power steering systems. Vacuum-assisted power steering systems utilize vacuum pressure to assist the driver in steering, reducing the effort required. Vacuum pumps provide the necessary vacuum for power steering assistance, enhancing maneuverability and driver comfort.
8. Diagnostic and Testing Equipment: Vacuum pumps are also utilized in automotive diagnostic and testing equipment. These pumps create vacuum conditions necessary for testing and diagnosing various vehicle systems, such as intake manifold leaks, brake system integrity, and vacuum-operated components.
It’s important to note that different types of vacuum pumps may be used depending on the specific automotive application. Common vacuum pump technologies in the automotive industry include diaphragm pumps, rotary vane pumps, and electric vacuum pumps.
In summary, vacuum pumps have numerous applications in the automotive industry, ranging from brake systems and emission control to HVAC systems and engine management. They contribute to improved safety, fuel efficiency, environmental performance, and overall vehicle functionality.
How Do Vacuum Pumps Contribute to Energy Savings?
Vacuum pumps play a significant role in energy savings in various industries and applications. Here’s a detailed explanation:
Vacuum pumps contribute to energy savings through several mechanisms and efficiencies. Some of the key ways in which vacuum pumps help conserve energy are:
1. Improved Process Efficiency: Vacuum pumps are often used to remove gases and create low-pressure or vacuum conditions in industrial processes. By reducing the pressure, vacuum pumps enable the removal of unwanted gases or vapors, improving the efficiency of the process. For example, in distillation or evaporation processes, vacuum pumps help lower the boiling points of liquids, allowing them to evaporate or distill at lower temperatures. This results in energy savings as less heat is required to achieve the desired separation or concentration.
2. Reduced Energy Consumption: Vacuum pumps are designed to operate efficiently and consume less energy compared to other types of equipment that perform similar functions. Modern vacuum pump designs incorporate advanced technologies, such as variable speed drives, energy-efficient motors, and optimized control systems. These features allow vacuum pumps to adjust their operation based on demand, reducing energy consumption during periods of lower process requirements. By consuming less energy, vacuum pumps contribute to overall energy savings in industrial operations.
3. Leak Detection and Reduction: Vacuum pumps are often used in leak detection processes to identify and locate leaks in systems or equipment. By creating a vacuum or low-pressure environment, vacuum pumps can assess the integrity of a system and identify any sources of leakage. Detecting and repairing leaks promptly helps prevent energy wastage associated with the loss of pressurized fluids or gases. By addressing leaks, vacuum pumps assist in reducing energy losses and improving the overall energy efficiency of the system.
4. Energy Recovery Systems: In some applications, vacuum pumps can be integrated into energy recovery systems. For instance, in certain manufacturing processes, the exhaust gases from vacuum pumps may contain heat or have the potential for energy recovery. By utilizing heat exchangers or other heat recovery systems, the thermal energy from the exhaust gases can be captured and reused to preheat incoming fluids or provide heat to other parts of the process. This energy recovery approach further enhances the overall energy efficiency by utilizing waste heat that would otherwise be lost.
5. System Optimization and Control: Vacuum pumps are often integrated into centralized vacuum systems that serve multiple processes or equipment. These systems allow for better control, monitoring, and optimization of the vacuum generation and distribution. By centralizing the vacuum production and employing intelligent control strategies, energy consumption can be optimized based on the specific process requirements. This ensures that vacuum pumps operate at the most efficient levels, resulting in energy savings.
6. Maintenance and Service: Proper maintenance and regular servicing of vacuum pumps are essential for their optimal performance and energy efficiency. Routine maintenance includes tasks such as cleaning, lubrication, and inspection of pump components. Well-maintained pumps operate more efficiently, reducing energy consumption. Additionally, prompt repair of any faulty parts or addressing performance issues helps maintain the pump’s efficiency and prevents energy waste.
In summary, vacuum pumps contribute to energy savings through improved process efficiency, reduced energy consumption, leak detection and reduction, integration with energy recovery systems, system optimization and control, as well as proper maintenance and service. By utilizing vacuum pumps efficiently and effectively, industries can minimize energy waste, optimize energy usage, and achieve significant energy savings in various applications and processes.
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.
The series ZJ roots vacuum pump is with overflow valve. Roots vacuum pump (referred to as roots pump for short) is a non-internal compression type rotary positive displacement pump, which achieves suction and exhaust by 2 8-shape rotors rotating in the pump shell. Its principle is similar with roots blower. As it works within the low pressure range, the free paths of the gas molecules are long, and the resistance is strong for gas to pass through small gaps, thus, it is able to obtain a higher compression ratio, and can be used as a booster vacuum pump; But it can not directly exhaust the gas into the atmosphere alone, and it shall be connected with a fore vacuum pump in series, and exhaust the pumped gas into the atmosphere through the fore vacuum pump.
Features 1. There is a certain gas between the rotor and pump chamber, and between rotors. They do not contact with each other, and do not need oil lubrication. 2. Rotor has a good geometric symmetry, and can improve the rotary speed so as to produce a compact large pumping rate pump.
3.Pump works with small vibration and large capacity, and the capacity utilization factor is around 0.5. 4. In the pump chamber, there is no compression as the mechanical vacuum pump does, so it does not require an exhaust valve. For this reason, it can be used to pump the condensable vapors. 5. It starts fast, and can achieve the ultimate vacuum in a short period. It has low power and low maintenance cost for operation. 6. Roots pump owns a high pumping rate in a wide range of pressures (1000PA ~ 1PA). It is able to quickly exhaust the gases which are suddenly released of gas, and cover the shortage of low pumping rate of the diffusion pump and oil sealed mechanical pump under the pressure of (1000PA ~ 1PA). As a result, it is most suitable used as a booster pump.
Applications ZJ series roots vacuum pump is a kind of rotary positive displacement pump, which must be used with a fore pump. It has a higher pumping rate in a wider pressure range, and not sensitive to the pumped gases which contain dust or water vapor. Therefore, it is widely used in the metallurgy, chemical industry, food, electronic coating and other industries.
Specifications
Model
(L/S) Pumping Speed
≤(Pa) Ultimate Pressure
(rpm) Rotational Speed
(Kw) Motor Power
(mm) Diameter
(Kg) Weight
Recommended Model of Backing Pump
Inlet
Outlet
ZJ-30
30
5×10-2
2825
0.75
50
40
76
2X-4A
ZJ-70
70
5×10-2
2840
1.5
80
50
96
2X-8A
ZJ-150A
150
5×10-2
2880
3
100
100
200
2X-15
ZJ-300
300
5×10-2
1440
4
150
150
505
2X-30A
ZJ-600
600
5×10-2
2800
7.5
150
150
520
2X-70A
ZJ-1200A
1200
5×10-2
1450
11
300
300
1550
2X-70A(two)
ZJ-2500
2500
5×10-2
2880
18.5
300
300
1600
ZJ-600 2X-70A(two)
Detailed Photos
Packaging & Shipping
Packing Details : One pump in One plywood case Delivery Details : 30 days after order confirmation
Standard package without original wood, no fumigation needed.
Company Profile
ZheZheJiang oto Pump Industrial Co., Ltd. is a professional pump manufacturer integrating R&D, manufacturing, sales and service as a whole, which has been certified by ISO9001 international quality management system.
Located in Xihu (West Lake) Dis.a Industrial Park, ZheJiang , CHINAMFG Pump Industrial possesses 2 manufacturing bases in ZheJiang and ZHangZhoug. Since our inception, CHINAMFG Pump Industrial has been committed to the innovation and development of various pumps. Our leading products include self-priming trash pump, centrifugal pump, submersible pump, diaphragm pump, vacuum pump, diesel pump, fire pump, etc.
FAQ
Q: Can I chat with you online? What is your company official website?
Q: What type of company CHINAMFG is? A: CHINAMFG is a manufacture and trading company, has factories in ZheJiang and ZHangZhoug, with export and import license.
Q: What kinds of pumps do you supply? A: Our products including self-priming trash pump, centrifugal pump, diaphragm pump, submersible pump, chemical pump, oil pump, diesel pump, fire fighting pump, etc.
Q: What is your payment terms? A: Alibaba Trade Assurance, Western Union, Paypal, T/T, L/C, etc.
Q: Can you provide OEM, ODM service? A: Yes. We have factories in ZheJiang and ZHangZhoug, we can make products according to your requirements.
Q: Why should we buy from you? A: We are committed to provide best quality products at minimum delivery time and competitive price. We believe this is what customer wants. We are satified until customers are.
Q: What is your warranty period? A: We provide 1 year of unconditional warranty on our products for the manufacturing defects.
Q: What about delivery time? A: Normally our production time is within 2 weeks. Please confirm before order.
/* 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(/(.*?):(.*)$/))&&1
After-sales Service:
1 Year
Warranty:
1 Year
Oil or Not:
Oil Free
Structure:
Jet Flow Vacuum Pump
Exhauster Method:
Positive Displacement Pump
Vacuum Degree:
High Vacuum
Samples:
US$ 200/Piece 1 Piece(Min.Order)
|
Customization:
Available
|
Can Roots Vacuum Pumps Be Used for Environmental Testing in Chambers?
Yes, Roots vacuum pumps can be used for environmental testing in chambers. Here’s a detailed explanation:
1. Environmental Testing in Chambers: Environmental testing involves subjecting a product or component to various simulated environmental conditions to assess its performance, durability, and reliability. Chambers are commonly used for environmental testing and can simulate conditions such as temperature, humidity, pressure, and gas composition. These chambers create controlled environments that mimic real-world operating conditions to evaluate how a product or component responds under different environmental stressors.
2. Role of Vacuum Pumps: Vacuum pumps play a crucial role in environmental testing chambers by creating and maintaining the desired vacuum conditions. They help establish specific pressure levels, remove unwanted gases or contaminants, and enable controlled gas flow within the chamber. Vacuum pumps are responsible for evacuating the chamber, achieving the desired pressure or vacuum level, and ensuring the accuracy and reliability of the environmental test results.
3. Advantages of Roots Vacuum Pumps: Roots vacuum pumps offer several advantages that make them suitable for environmental testing in chambers:
– High Pumping Speed: Roots pumps have a high pumping speed, allowing them to quickly evacuate the chamber and achieve the desired vacuum level. This is particularly important when rapid cycling between different test conditions is required.
– Large Volume Handling: Chambers used in environmental testing can vary in size, from small-scale chambers to large walk-in chambers. Roots vacuum pumps are capable of handling large volumes of gas, making them suitable for evacuating chambers of different sizes efficiently.
– Continuous Operation: Roots vacuum pumps can operate continuously, ensuring the chamber remains at the desired vacuum level throughout the testing process. This is essential for maintaining test accuracy and consistency.
– Compatibility with Hybrid Pumping Systems: Roots vacuum pumps can be integrated into hybrid pumping systems, working alongside other pump technologies such as rotary vane pumps, scroll pumps, or turbomolecular pumps. This combination allows for enhanced pumping capability, achieving the desired vacuum levels and accommodating specific test requirements.
4. Considerations for Environmental Testing: While Roots vacuum pumps are suitable for environmental testing, several considerations should be taken into account:
– Gas Composition: Different environmental tests may involve specific gas compositions or mixtures. It is important to ensure that the selected Roots pump is compatible with the gases used in the testing process. Some gases may require special pump features or materials to avoid contamination or damage to the pump.
– Pressure Range: Environmental testing chambers may require a wide range of pressure levels to simulate various conditions. Roots vacuum pumps have limitations in terms of the ultimate vacuum level they can achieve. It is necessary to ensure that the selected pump can meet the pressure range requirements of the specific environmental tests.
– System Design: Proper system design is crucial to ensure efficient and reliable operation of the environmental testing chamber. Factors such as the chamber size, gas flow rates, evacuation times, and pressure control mechanisms should be considered when selecting and integrating Roots vacuum pumps into the testing system.
In summary, Roots vacuum pumps can be effectively used for environmental testing in chambers. Their high pumping speed, large volume handling capability, continuous operation, and compatibility with hybrid pumping systems make them suitable for maintaining the desired vacuum conditions during environmental tests. By considering factors such as gas composition, pressure range, and system design, Roots vacuum pumps contribute to the accurate and reliable assessment of product performance under simulated environmental conditions.
What Are the Advantages of Using Roots Vacuum Pumps?
Roots vacuum pumps, also known as Roots blowers or rotary lobe pumps, offer several advantages that make them a popular choice for various industrial applications. Here’s a detailed explanation of the advantages of using Roots vacuum pumps:
1. High Pumping Speed: Roots vacuum pumps are known for their high pumping speed, which refers to the rate at which they can remove gas from a vacuum system. The unique design of synchronized rotating lobes enables these pumps to handle large volumes of gas efficiently. This high pumping speed makes Roots vacuum pumps well-suited for applications that require rapid evacuation or continuous extraction of gases.
2. Large Gas Handling Capacity: Roots vacuum pumps have a large gas handling capacity, allowing them to handle a wide range of gases, including clean air, corrosive gases, and vapors. Their robust construction and ability to handle gas with particulates or liquids make them suitable for applications in industries such as chemical processing, pharmaceuticals, food processing, and wastewater treatment.
3. Oil-Free and Contamination-Free Operation: One of the significant advantages of Roots vacuum pumps is that they operate without the need for lubrication. The non-contacting design of the pump eliminates the risk of oil contamination in the vacuum system. This is particularly important in applications where clean, oil-free vacuum environments are required, such as semiconductor manufacturing, electronics, and research laboratories.
4. Reliable and Low Maintenance: Roots vacuum pumps are known for their reliability and low maintenance requirements. Since there is no lubrication or contact between the lobes, there is minimal wear and tear, reducing the need for frequent maintenance or replacement of parts. This results in reduced downtime and lower operating costs for the users.
5. Noise and Vibration Reduction: Roots vacuum pumps are designed to operate with low noise and vibration levels. The precision engineering and balanced rotation of the lobes help minimize noise generation and vibration transmission. This makes Roots vacuum pumps suitable for applications where noise reduction and vibration control are important, such as in laboratories, medical facilities, and residential areas.
6. Wide Range of Vacuum Levels: While Roots vacuum pumps are not capable of achieving high vacuum levels on their own, they can be combined with other vacuum pumps, such as rotary vane pumps or diffusion pumps, to create hybrid or combination pumping systems. This allows them to cover a wide range of vacuum levels, making them versatile and adaptable to different application requirements.
7. Energy Efficiency: Roots vacuum pumps are designed to be energy-efficient, offering a favorable power-to-pumping speed ratio. Their efficient design and minimal internal losses help reduce energy consumption, resulting in lower operating costs for the users. This makes them an economical choice for continuous or high-throughput processes that require significant vacuum power.
8. Versatility and Compatibility: Roots vacuum pumps are compatible with various gases and can be used in a wide range of industrial applications. They find applications in industries such as chemical processing, pharmaceuticals, food processing, automotive, packaging, and environmental technology. Their versatility and compatibility make them suitable for both rough vacuum applications and as part of complex vacuum systems.
In summary, the advantages of using Roots vacuum pumps include high pumping speed, large gas handling capacity, oil-free and contamination-free operation, reliability, low maintenance requirements, noise and vibration reduction, a wide range of vacuum levels, energy efficiency, versatility, and compatibility. These advantages make Roots vacuum pumps a preferred choice for many industrial processes that require efficient and reliable vacuum generation.
HangZhou Bee Automobile Parts Co., Ltd. is located in HangZhou China which is specialized in the export of Vehicle Parts, we have our own brand named B.E.E.Our products cover European, American, Australian, Japanese and so on, enjoy a good reputation among clients. We use the TS16949:2002 and international quality standard.Our parts are supplied to customers after being manufactured at our own production facilities or by trusted production partners. We supply quality, inexpensive, OE replacement parts for steering and suspension components, body, brake assemblies, cooling systems, engine, electrical sensor systems, fuel system, hydraulic system and other auto parts categorie.
Product Description
Size
Same as OE
Warranty
1 Years
Place of Origin
China
Brand Name
BEE
Certification
CE
Type
Ignition Distributor
About Us
Why Chose Us
Certifications
FAQ
Q1. What is the advantage about your company? A1. Our company has professional team and professional production line.
Q2. Whyshould I choose your products?
A2. Our products are high quality and low price.
Q3. The logo and the color can be customized?
A3.Yes, we welcome you to sample custom.
Q4. Any other good service your company can provide?
A4. Yes,we can provide good after-saleand fast delivery.
Packing & Delivery
/* 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
You can apply for a refund up to 30 days after receipt of the products.
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.
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.
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.
