China supplier 2BV Series Water Ring Vacuum Pump for Extrusion Moulding with Good quality

Product Description

Product Description

2BV series pump for air and water vapour pressure to breathe, 33mbar absolute pressure (97%), vacuum pump suction pressure when in 80mbar below the condition, long-term work connected with protecting tube cavitation erosion of pump injector, i.e., protecting atmosphere, inspiratory pressure can reach 10mbar, injector pump can be directly mounted in a compressor, the pressure, to 0.26 MPa (maximum absolute pressure).


2BV series water ring vacuum pumps as a new generation energy-saving products, and the excellent performance and numerous advantages will be fully replace with same properties of SK, 2SK series water ring vacuum pumps and W, WY, WL series reciprocating vacuum pump.

Vacuum pump accessories: impeller,disc, the pump cover, pump body materials can be chosen as following:

SUS304 (0Cr18Ni9)
SUS316 (0Cr17Ni12Mo2)
SUS316L (00Cr17Ni14Mo2)

 Pump shaft materials:2Cr13, SUS304 and SUS316L

Mechanical seal uses imported products, Seals can use viton or PTFE.

2BV2 – Ex, 2BV6 series water ring type vacuum pump/compressor is mainly used for surking explosive gas, and various inflammable and explosive of working environment, its performance parameters are as the same as 2BV2, 2BV5 series

Detailed Photos


Product Parameters

1. Direct coupling design, save space, easy to install and convenient maintenance.
2. All equipped with cavitation protection tube, if works under limit work pressure, open cavitation protection tube (or with separator connection) can maximum guarantee inspiratory effect under the condition of cavitation, and protect the pump.
3. 2BV series can be equipped with stainless steel impeller, high strength and durability, and improves the corrosion resistance of the pump.
4. Unique flexible air outlet design, won’t produce over compression, ensure its performance efficiency is the best.
5. All adopt Y2 series motor, IP54\IP55 pretection (ordinary, IP44), insulation class F (ordinary is class B insulation).
6. The flexible seal can be completely PTFE, which can greatly extend pump service life under harsh conditions.

Single stage small water ring vacuum pump End
Model 2BV series
Material Cast iron and stainless steel
Color Blue and adjustable
Model Horizontal
Drive Direct connection
Impeller Stainless steel impeller
Seal Mechanical seal
Speed 2900r/min,1450r/min
Theory Water ring
Structure Single stage pump
Usage Handle air, oil ,chemical ,food
Power Electric
Standard or Non Standard
Shaft Stainless steel
Outlet diameter 25-80mm
Capacity 0.45-8m3/min
Ultimated pressure 33hPa
Power 1.1-15kw
Warranty 1year
OEM Acceptable
Feature No leak, undertake high pressure


Product name Max air
degree mbar(Mpa)
Motor power
Working fluid flow Noise DB(A) Weight(kg)
2BV2 060 0.45 33bar(-0.098Mpa) 1.1 2880 2 62 31
2BV2 061 0.86 1.5 2880 2 65 35
2BV2 070 1.33 3 2850 2.5 66 56
2BV2 071 1.83 4 2860 4.2 72 65
2BV5 110 2.75 4 1450 6.7 63 103
2BV5 111 3.83 5.5 1450 8.3 68 117
2BV5 121 4.66 7.5 1450 10 69 149
2BV5 131 6.66 11 1430 15 73 205
2BV5 161 8.33 15 970 20 74 331

Pump cover

Selected quality material, precision casting, integrated molding, strength, strong and durable

Mechanical seal

Mechanical seal, leak proof, improve machine efficiency, reduce the ability to make changes.


High precision, good material, more assured use, optional: stainless steel impeller, copper impeller, ductile iron


Optional stainless steel disc, fine workmanship, superior materials, smooth surface more stable

Company Profile

Packaging & Shipping

Packaging & delivery

Packaging Details
Standard Export Plywood Case
Picture Example:


Lead time:

Quantity(sets) 1 – 10 >10
Lead time (days) 3 To be negotiated


After Sales Service

All of the enquiry will be replied within 8 working hours

Professional pump producer, with design team.

All of the goods are packed with standard export wooden case(non-fumigation)

*Fast delivery time: common stock model, customed type:7 working days

Support OEM or ODM

Fast after-service


Q1:Are you manufacturer or trading company?
Our company are professional producer for pumps and export pumps by ourselves.


Q2:What’s your business range?
We manufacture end/double suction centrifugal pump, vertical/horizontal multistage pump, sewage pump, water ring vacuum pump, chemical pump, oil pump, screw pump, diaphragm pump, fire pump, constant pressure VFD water supply system and so on.


Q3:Please provide information below when you make a enquiry.
Basic information: flow and head. If special design, please provide drawing.50HZ or 60HZ are both OK.


Q4:What’s your payment terms?
Common payment terms: T/T 30% deposit, balance payment before shipment.
Western Union,L/C


Q5:How about warranty and after-service?
12 months warranty time after receiving days, not include quick-wear parts and default phase. We promise 24 hours action for your problem. And send parts by air or express for your fix.


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After-sales Service: After Good Service
Warranty: One Year
Type: All The Extruder
Plastic Processed: PE
Feeding Mode: Multiple Feed
Assembly Structure: Integral Type Extruder


vacuum pump

Can Vacuum Pumps Be Used in the Aerospace Sector?

Vacuum pumps indeed have various applications in the aerospace sector. Here’s a detailed explanation:

Vacuum pumps play a crucial role in several areas of the aerospace industry, supporting various processes and systems. Some of the key applications of vacuum pumps in the aerospace sector include:

1. Space Simulation Chambers: Vacuum pumps are used in space simulation chambers to replicate the low-pressure conditions experienced in outer space. These chambers are utilized for testing and validating the performance and functionality of aerospace components and systems under simulated space conditions. Vacuum pumps create and maintain the necessary vacuum environment within these chambers, allowing engineers and scientists to evaluate the behavior and response of aerospace equipment in space-like conditions.

2. Propellant Management: In space propulsion systems, vacuum pumps are employed for propellant management. They help in the transfer, circulation, and pressurization of propellants, such as liquid rocket fuels or cryogenic fluids, in both launch vehicles and spacecraft. Vacuum pumps assist in creating the required pressure differentials for propellant flow and control, ensuring efficient and reliable operation of propulsion systems.

3. Environmental Control Systems: Vacuum pumps are utilized in the environmental control systems of aircraft and spacecraft. These systems are responsible for maintaining the desired atmospheric conditions, including temperature, humidity, and cabin pressure, to ensure the comfort, safety, and well-being of crew members and passengers. Vacuum pumps are used to regulate and control the cabin pressure, facilitating the circulation of fresh air and maintaining the desired air quality within the aircraft or spacecraft.

4. Satellite Technology: Vacuum pumps find numerous applications in satellite technology. They are used in the fabrication and testing of satellite components, such as sensors, detectors, and electronic devices. Vacuum pumps help create the necessary vacuum conditions for thin film deposition, surface treatment, and testing processes, ensuring the performance and reliability of satellite equipment. Additionally, vacuum pumps are employed in satellite propulsion systems to manage propellants and provide thrust for orbital maneuvers.

5. Avionics and Instrumentation: Vacuum pumps are involved in the production and testing of avionics and instrumentation systems used in aerospace applications. They facilitate processes such as thin film deposition, vacuum encapsulation, and vacuum drying, ensuring the integrity and functionality of electronic components and circuitry. Vacuum pumps are also utilized in vacuum leak testing, where they help create a vacuum environment to detect and locate any leaks in aerospace systems and components.

6. High Altitude Testing: Vacuum pumps are used in high altitude testing facilities to simulate the low-pressure conditions encountered at high altitudes. These testing facilities are employed for evaluating the performance and functionality of aerospace equipment, such as engines, materials, and structures, under simulated high altitude conditions. Vacuum pumps create and control the required low-pressure environment, allowing engineers and researchers to assess the behavior and response of aerospace systems in high altitude scenarios.

7. Rocket Engine Testing: Vacuum pumps are crucial in rocket engine testing facilities. They are utilized to evacuate and maintain the vacuum conditions in engine test chambers or nozzles during rocket engine testing. By creating a vacuum environment, these pumps simulate the conditions experienced by rocket engines in the vacuum of space, enabling accurate testing and evaluation of engine performance, thrust levels, and efficiency.

It’s important to note that aerospace applications often require specialized vacuum pumps capable of meeting stringent requirements, such as high reliability, low outgassing, compatibility with propellants or cryogenic fluids, and resistance to extreme temperatures and pressures.

In summary, vacuum pumps are extensively used in the aerospace sector for a wide range of applications, including space simulation chambers, propellant management, environmental control systems, satellite technology, avionics and instrumentation, high altitude testing, and rocket engine testing. They contribute to the development, testing, and operation of aerospace equipment, ensuring optimal performance, reliability, and safety.

vacuum pump

How Do Vacuum Pumps Affect the Performance of Vacuum Chambers?

When it comes to the performance of vacuum chambers, vacuum pumps play a critical role. Here’s a detailed explanation:

Vacuum chambers are enclosed spaces designed to create and maintain a low-pressure environment. They are used in various industries and scientific applications, such as manufacturing, research, and material processing. Vacuum pumps are used to evacuate air and other gases from the chamber, creating a vacuum or low-pressure condition. The performance of vacuum chambers is directly influenced by the characteristics and operation of the vacuum pumps used.

Here are some key ways in which vacuum pumps affect the performance of vacuum chambers:

1. Achieving and Maintaining Vacuum Levels: The primary function of vacuum pumps is to create and maintain the desired vacuum level within the chamber. Vacuum pumps remove air and other gases, reducing the pressure inside the chamber. The efficiency and capacity of the vacuum pump determine how quickly the desired vacuum level is achieved and how well it is maintained. High-performance vacuum pumps can rapidly evacuate the chamber and maintain the desired vacuum level even when there are gas leaks or continuous gas production within the chamber.

2. Pumping Speed: The pumping speed of a vacuum pump refers to the volume of gas it can remove from the chamber per unit of time. The pumping speed affects the rate at which the chamber can be evacuated and the time required to achieve the desired vacuum level. A higher pumping speed allows for faster evacuation and shorter cycle times, improving the overall efficiency of the vacuum chamber.

3. Ultimate Vacuum Level: The ultimate vacuum level is the lowest pressure that can be achieved in the chamber. It depends on the design and performance of the vacuum pump. Higher-quality vacuum pumps can achieve lower ultimate vacuum levels, which are important for applications requiring higher levels of vacuum or for processes that are sensitive to residual gases.

4. Leak Detection and Gas Removal: Vacuum pumps can also assist in leak detection and gas removal within the chamber. By continuously evacuating the chamber, any leaks or gas ingress can be identified and addressed promptly. This ensures that the chamber maintains the desired vacuum level and minimizes the presence of contaminants or unwanted gases.

5. Contamination Control: Some vacuum pumps, such as oil-sealed pumps, use lubricating fluids that can introduce contaminants into the chamber. These contaminants may be undesirable for certain applications, such as semiconductor manufacturing or research. Therefore, the choice of vacuum pump and its potential for introducing contaminants should be considered to maintain the required cleanliness and purity of the vacuum chamber.

6. Noise and Vibrations: Vacuum pumps can generate noise and vibrations during operation, which can impact the performance and usability of the vacuum chamber. Excessive noise or vibrations can interfere with delicate experiments, affect the accuracy of measurements, or cause mechanical stress on the chamber components. Selecting vacuum pumps with low noise and vibration levels is important for maintaining optimal chamber performance.

It’s important to note that the specific requirements and performance factors of a vacuum chamber can vary depending on the application. Different types of vacuum pumps, such as rotary vane pumps, dry pumps, or turbomolecular pumps, offer varying capabilities and features that cater to specific needs. The choice of vacuum pump should consider factors such as the desired vacuum level, pumping speed, ultimate vacuum, contamination control, noise and vibration levels, and compatibility with the chamber materials and gases used.

In summary, vacuum pumps have a significant impact on the performance of vacuum chambers. They enable the creation and maintenance of the desired vacuum level, affect the pumping speed and ultimate vacuum achieved, assist in leak detection and gas removal, and influence contamination control. Careful consideration of the vacuum pump selection ensures optimal chamber performance for various applications.

vacuum pump

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.

China supplier 2BV Series Water Ring Vacuum Pump for Extrusion Moulding   with Good quality China supplier 2BV Series Water Ring Vacuum Pump for Extrusion Moulding   with Good quality
editor by CX 2024-03-30