China OEM DN200 Roots Type Vacuum Pump Suction Pressure – 50kpa for Chemical Industry Blower vacuum pump connector

Product Description

Negative pressure centralized feeding material air blower

1) The feeding air blower has dual functions of blowing and sucking.
One machine can be used for both suction and blowing;

2)  It runs without oil, and the output air is clean; compared with centrifugal blower and medium-pressure blower, its pressure is higher than them, often more 10 times than the centrifugal blower;  The feeding air blower cylinder body is integrally cast, using shockproof mounting feet, it has low requirements for the installation foundation and saves installation costs and cycles.
The negative pressure centralized feeding air blower is a dust-free airtight pipeline conveying equipment that uses the vacuum suction of a high-pressure blower to convey particles and powdery materials. It uses the air pressure difference between the vacuum and the environmental space to form gas flow in the pipeline and drive the movement of powdery materials. , so it complete the powder transportation.

Main structure


Model Diameter(mm) Pressure range  Vacuum pressure(Kpa) Air flow range (M3/min)
5006 DN100 -10 ~  – 50 Kpa 2.12 ~ 13.64
6008 DN125 -10 ~  – 50 Kpa 3.86 ~ 21.75
7011 DN150 -10 ~  – 50 Kpa 9.56~33.20
8016 DN200 -10 ~  – 50 Kpa 12.80~ 49.65

Blower Main Parts Materials

  Casing Cast iron HT 200
 Rotor (Impeller &shaft) QT 500
Gear 20CrMnTi 
Bearing Japanese NSK
Oil seal USA CR
Oil tank Double Oil Tanks, Clean Site

Impeller CNC machining center

Working shop

Application pictures

*** After running more than 1 year , there are very clean on site , no oil leakage

Packing & delivery
Our wooden case is with fumigation sign, It is Moisture-proof

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After-sales Service: Yes
Warranty: 1 Year
Type: Materials Vacuum Conveying
Usage: Industrial, Agriculture, Hospital, Special Gas Pressurized Conveying
Material: Casting Iron Ht200
Application: Sewage and Waste Water Treatment


roots vacuum pump

How Do Roots Vacuum Pumps Affect the Efficiency of Vacuum Systems in Various Industries?

Roots vacuum pumps have a significant impact on the efficiency of vacuum systems across various industries. Here’s a detailed explanation:

1. Enhanced Vacuum Level:

– High Pumping Speed: Roots vacuum pumps are known for their high pumping speed, which refers to the rate at which they can evacuate gas from a system. By quickly removing gas molecules, these pumps help achieve and maintain a lower pressure, resulting in an enhanced vacuum level within the system. This increased vacuum level is crucial in industries such as semiconductor manufacturing, where precise control of pressure is necessary for optimal processing conditions.

– Improved Evacuation Time: With their rapid gas pumping capability, Roots vacuum pumps significantly reduce the evacuation time required to reach the desired vacuum level. This efficiency is particularly important in industries where time-sensitive processes are involved, such as vacuum drying, degassing, or impregnation, allowing for faster production cycles and increased productivity.

2. Increased Throughput:

– Continuous Operation: Roots vacuum pumps are designed for continuous operation, enabling uninterrupted gas removal from the vacuum system. Their robust construction and oil-free operation make them reliable and suitable for demanding industrial applications. The ability to maintain a consistent vacuum level without frequent stops or downtime contributes to increased system throughput and overall efficiency.

– Handling Large Volumes: Roots pumps are capable of handling large gas volumes due to their displacement principle. This makes them well-suited for industries that require the evacuation of substantial amounts of gas, such as in chemical processing, pharmaceutical manufacturing, or vacuum packaging. By efficiently evacuating large volumes of gas, Roots vacuum pumps facilitate higher production rates and improved process efficiency.

3. Improved Process Control:

– Stable Vacuum Level: Roots vacuum pumps help maintain a stable vacuum level within the system, which is essential for precise process control. By swiftly removing gas molecules, these pumps prevent pressure fluctuations and ensure a consistent environment for various manufacturing processes. This is particularly crucial in industries like thin film deposition, where maintaining a stable vacuum is crucial for achieving uniform coating thickness and quality.

– Reduced Contamination: Roots vacuum pumps operate without lubricating oil in the pumping chamber, minimizing the risk of oil contamination in the vacuum system. This is particularly advantageous in industries such as electronics, semiconductor fabrication, or research laboratories, where even trace amounts of contaminants can adversely affect product quality or experimental results. By providing clean and oil-free vacuum, Roots pumps contribute to improved process control, reduced yield loss, and enhanced product reliability.

4. Energy Efficiency:

– Lower Power Consumption: Roots vacuum pumps are designed to operate efficiently, consuming lower power compared to other types of vacuum pumps. This energy efficiency is beneficial in industries where vacuum systems are continuously operated, such as in chemical processing plants or industrial manufacturing facilities. By reducing power consumption, Roots pumps help lower operational costs and contribute to sustainable and environmentally friendly practices.

– Heat Dissipation: Roots pumps generate less heat during operation compared to certain other vacuum pump types. This is advantageous in industries where temperature control is critical, such as in semiconductor fabrication or vacuum furnaces. The reduced heat generation minimizes the need for additional cooling measures, improving overall energy efficiency and reducing operational costs.

In summary, Roots vacuum pumps significantly impact the efficiency of vacuum systems in various industries. They enhance the vacuum level, increase system throughput, improve process control, and contribute to energy savings. By providing high pumping speed, quick evacuation time, continuous operation, stable vacuum levels, reduced contamination risk, lower power consumption, and efficient heat dissipation, Roots vacuum pumps play a crucial role in optimizing the performance and productivity of vacuum systems across industries.

roots vacuum pump

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.

China OEM DN200 Roots Type Vacuum Pump Suction Pressure - 50kpa for Chemical Industry Blower   vacuum pump connector	China OEM DN200 Roots Type Vacuum Pump Suction Pressure - 50kpa for Chemical Industry Blower   vacuum pump connector
editor by Dream 2024-04-26