China Professional High Quality Cast Iron Water Ring Vacuum Pump for Hospital Negative Pressure Vacuum Oil-Free Electric with Hot selling

Product Description

2BV Vacuum pump 
Liquid Ring Vacuum Pumps,Roots Vacuum Pump,Screw Vacuum Pump,Vacuum Pump System

2BV Vacuum pump Application
Automotive Industry, Biofuel Industry, Commercial Buildings, Developing World Water Solutions, District Energy, Drinking water treatment, Food and Beverage Industry, Industrial Boilers, Industrial Utilities, Irrigation and Agriculture, Machining, Marine, Metal and Equipment Manufacturers, Mining industry, Pharmaceutical industry, Raw Water Intake, temperature control, Washing and Cleaning, Wastewater Transport and Flood Control, wastewater treatment, Water Distribution, Water Treatment Solutions,
Other Pressure   High pressure
Voltage   220V/380V/440V/As customer request

2BV series water ring vacuum pump is an integral structure-pump coaxial single-stage pump. The shaft seal adopts mechanical seal, which has the characteristics of simple structure, simple installation, oil-free, safe and reliable, etc.

2BV series water ring vacuum pump is suitable for removing gas and moist steam, and the suction pressure can reach 33mbar absolute pressure (97% vacuum). When 2BV water ring vacuum pump works for a long time when the suction pressure is lower than 80mbar, cavitation protection tube should be connected to protect the pump. If 2BV water ring vacuum pump is equipped with atmospheric injector, the suction pressure can reach 10mbar, and the injector can be installed directly on the suction port of vacuum pump. The maximum pressure is 0.26MPa (absolute pressure).


Product model


Type extreme pressure Mbar(Pa) Maximum gas volume M3/min Power KW Speed Rmp  Water consumption L/min Weight  KG
 2BV-2060 33(3300) 0.45 0.87 2880 ~2 20
 2BV-2061 33(3300) 0.87 1.45 2880 ~2 22
 2BV-2070 33(3300) 1.33 2.35 2880 ~2.5 31
 2BV-2071 33(3300) 1.83 3.85 2880 ~4.2 42
 2BV-5110 33(3300) 2.75 4 1450 ~7 78
 2BV-5111 33(3300) 3.83 5.5 1450 ~8.5 100
 2BV-5121 33(3300) 4.68 7.5 1450 ~10 145
 2BV-5131 33(3300) 6.68 11 1450 ~15 165
 2BV-5161 33(3300) 8.3 15 970 ~20 252
 2BV-6110 33(3300) 2.75 4 1450 ~7 107
 2BV-6111 33(3300) 3.83 5.5 1450 ~8.5 142
 2BV-6121 33(3300) 4.68 7.5 1450 ~10 198
 2BV-6131 33(3300) 6.68 11 1450 ~15 238
 2BV-6161 33(3300) 8.3 15 970 ~20 350

For more customization details, message supplier

2BV series water ring vacuum pumps and compressors are widely used in petroleum, chemical, pharmaceutical, food, sugar industry and other fields. Because the compression process of the gas is isothermal in the working process, it is not easy to explode when compressing and pumping flammable and explosive gas, so it is more widely used.


ONETER  is 1 of the leading manufacturer for the Slurry pump & Coupler& Vacuum pump since 2571 year. Refund the money if you are not satified of the quality.
*100% quality guarantee.
*One-stop service for you.
*Factory competitive price.
*Fast delievery time with stocks.
1.ONETER  only supply competitive advantage products!
2.Full refund or Free replacement in case of bad quality or late delivery!
3.ONETER are focus on service for solution, not only supply screw barrel parts!
4.Quality is our culture, with us your money in safe your business in safe!!!

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral export wooden case . If you have legally registered patent, we can pack the goods in wooden case with your own marks after getting your authorization letters.
Q2. What is your termsof payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay
the balance.
Q3. How about your delivery time?
A: Generally, it will take from 10 dasys to 50 days after receiving your advance payment according to the pump’s material. The specific delivery time also depends on the items and the quantity of your order.
Q4. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6. Do youtest all your goods before delivery?
A: Yes, we have 100% test the pumps before delivery

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After-sales Service: One-Stop Service for You
Warranty: 2 Years
Oil or Not: Oil Free
US$ 100/Piece
1 Piece(Min.Order)


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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Furnaces?

Yes, vacuum pumps can be used for vacuum furnaces. Here’s a detailed explanation:

Vacuum furnaces are specialized heating systems used in various industries for heat treatment processes that require controlled environments with low or no atmospheric pressure. Vacuum pumps play a crucial role in creating and maintaining the vacuum conditions necessary for the operation of vacuum furnaces.

Here are some key points regarding the use of vacuum pumps in vacuum furnaces:

1. Vacuum Creation: Vacuum pumps are used to evacuate the furnace chamber, creating a low-pressure or near-vacuum environment. This is essential for the heat treatment processes carried out in the furnace, as it helps eliminate oxygen and other reactive gases, preventing oxidation or unwanted chemical reactions with the heated materials.

2. Pressure Control: Vacuum pumps provide the means to control and maintain the desired pressure levels within the furnace chamber during the heat treatment process. Precise pressure control is necessary to achieve the desired metallurgical and material property changes during processes such as annealing, brazing, sintering, and hardening.

3. Contamination Prevention: By removing gases and impurities from the furnace chamber, vacuum pumps help prevent contamination of the heated materials. This is particularly important in applications where cleanliness and purity of the processed materials are critical, such as in the aerospace, automotive, and medical industries.

4. Rapid Cooling: Some vacuum furnace systems incorporate rapid cooling capabilities, known as quenching. Vacuum pumps assist in facilitating the rapid cooling process by removing the heat generated during quenching, ensuring efficient cooling and minimizing distortion or other unwanted effects on the treated materials.

5. Process Flexibility: Vacuum pumps provide flexibility in the type of heat treatment processes that can be performed in vacuum furnaces. Different heat treatment techniques, such as vacuum annealing, vacuum brazing, or vacuum carburizing, require specific pressure levels and atmospheric conditions that can be achieved and maintained with the use of vacuum pumps.

6. Vacuum Pump Types: Different types of vacuum pumps can be used in vacuum furnaces, depending on the specific requirements of the heat treatment process. Commonly used vacuum pump technologies include oil-sealed rotary vane pumps, dry screw pumps, diffusion pumps, and cryogenic pumps. The choice of vacuum pump depends on factors such as required vacuum level, pumping speed, reliability, and compatibility with the process gases.

7. Maintenance and Monitoring: Proper maintenance and monitoring of vacuum pumps are essential to ensure their optimal performance and reliability. Regular inspections, lubrication, and replacement of consumables (such as oil or filters) are necessary to maintain the efficiency and longevity of the vacuum pump system.

8. Safety Considerations: Operating vacuum furnaces with vacuum pumps requires adherence to safety protocols. This includes proper handling of potentially hazardous gases or chemicals used in the heat treatment processes, as well as following safety guidelines for operating and maintaining the vacuum pump system.

Overall, vacuum pumps are integral components of vacuum furnaces, enabling the creation and maintenance of the required vacuum conditions for precise and controlled heat treatment processes. They contribute to the quality, consistency, and efficiency of the heat treatment operations performed in vacuum furnaces across a wide range of industries.

vacuum pump

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.

vacuum pump

What Industries Commonly Rely on Vacuum Pump Technology?

Vacuum pump technology finds applications in various industries where creating and controlling vacuum or low-pressure environments is crucial. Here’s a detailed explanation:

1. Manufacturing and Production: Vacuum pumps are extensively used in manufacturing and production processes across multiple industries. They are employed for tasks such as vacuum molding, vacuum packaging, vacuum degassing, vacuum drying, and vacuum distillation. Industries like automotive, aerospace, electronics, pharmaceuticals, and food processing rely on vacuum pump technology to achieve precise and controlled manufacturing conditions.

2. Chemical and Pharmaceutical: The chemical and pharmaceutical industries heavily rely on vacuum pumps for numerous applications. These include solvent recovery, vacuum filtration, vacuum drying, distillation, crystallization, and evaporation. Vacuum pumps enable these industries to carry out critical processes under reduced pressure, ensuring efficient separation, purification, and synthesis of various chemical compounds and pharmaceutical products.

3. Semiconductor and Electronics: The semiconductor and electronics industries extensively use vacuum pumps for manufacturing microchips, electronic components, and electronic devices. Vacuum pumps are crucial in processes such as physical vapor deposition (PVD), chemical vapor deposition (CVD), etching, ion implantation, and sputtering. These processes require controlled vacuum conditions to ensure precise deposition, surface modification, and contamination-free manufacturing.

4. Research and Development: Vacuum pump technology is integral to research and development activities across scientific disciplines. It supports experiments and investigations in fields such as physics, chemistry, materials science, biology, and environmental science. Vacuum pumps facilitate processes like freeze drying, vacuum distillation, vacuum evaporation, vacuum spectroscopy, and creating controlled atmospheric conditions for studying various phenomena.

5. Food and Beverage: The food and beverage industry relies on vacuum pumps for packaging and preservation purposes. Vacuum sealing is used to extend the shelf life of food products by removing air and creating a vacuum-sealed environment that inhibits spoilage and maintains freshness. Vacuum pumps are also used in processes like freeze drying, vacuum concentration, and vacuum cooling.

6. Oil and Gas: In the oil and gas industry, vacuum pumps play a role in various applications. They are used for crude oil vacuum distillation, vacuum drying, vapor recovery, gas compression, and gas stripping processes. Vacuum pumps help maintain optimal conditions during oil refining, gas processing, and petrochemical manufacturing.

7. Environmental and Waste Management: Vacuum pumps are employed in environmental and waste management applications. They are used for tasks such as soil vapor extraction, groundwater remediation, landfill gas recovery, and wastewater treatment. Vacuum pumps facilitate the removal and containment of gases, vapors, and pollutants, contributing to environmental protection and sustainable waste management.

8. Medical and Healthcare: The medical and healthcare sectors utilize vacuum pumps for various purposes. They are used in medical equipment such as vacuum-assisted wound therapy devices, vacuum-based laboratory analyzers, and vacuum suction systems in hospitals and clinics. Vacuum pumps are also used in medical research, pharmaceutical production, and medical device manufacturing.

9. Power Generation: Vacuum pumps play a role in power generation industries, including nuclear power plants and thermal power plants. They are used for steam condensation, turbine blade cooling, vacuum drying during transformer manufacturing, and vacuum systems for testing and maintenance of power plant equipment.

10. HVAC and Refrigeration: The HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries rely on vacuum pumps for system installation, maintenance, and repair. Vacuum pumps are used to evacuate air and moisture from refrigerant lines and HVAC systems, ensuring optimal system performance and efficiency.

These are just a few examples of industries that commonly rely on vacuum pump technology. The versatility and wide-ranging applications of vacuum pumps make them indispensable tools across numerous sectors, enabling precise control over vacuum conditions, efficient manufacturing processes, and scientific investigations.

China Professional High Quality Cast Iron Water Ring Vacuum Pump for Hospital Negative Pressure Vacuum Oil-Free Electric   with Hot selling	China Professional High Quality Cast Iron Water Ring Vacuum Pump for Hospital Negative Pressure Vacuum Oil-Free Electric   with Hot selling
editor by CX 2024-01-23

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