China wholesaler Liquid Ring Vacuum Pump for Vacuum Feeding vacuum pump oil

Product Description


Product Description

2BE1 series water ring vacuum pump is a high-efficiency and energy-saving product researched and developed by our company in combination with the advanced technology of imported products. This series of vacuum pump is a single machine single action structure, which has the advantages of simple structure, convenient maintenance, reliable operation, high efficiency and energy saving. It is usually used to suck air or other gases that are insoluble in water, free of CZPT particles and corrosive, so as to form a certain vacuum in a closed container. Equipped with explosion-proof motor, which can suck flammable and explosive gases. The pump body is made of corrosion-resistant materials or special materials after corrosion-resistant treatment, which can pump corrosive gases to a certain extent.

2BE1 series water ring vacuum pumps are widely used in petrochemical, light industry, chemical industry, pharmaceutical, papermaking, metallurgy, building materials, electrical appliances, food, coal washing, mineral processing, chemical fertilizer and other industries

Our Advantages

1. The impeller is made of nodular cast iron or steel plate welding, and the pump body is made of steel plate, which fully ensures the stability of the impeller and the whole machine under various harsh conditions, and greatly improves the service life of 2BE1 vacuum pump.

2. The shaft sleeve is made of high chromium stainless steel, which increases the service life of the vacuum pump by 5 times compared with the ordinary material.

3. The belt pulley (belt drive) adopts standard high-precision taper sleeve belt pulley, which has reliable operation, convenient disassembly and longer service life of the belt.

4. The coupling (direct drive) adopts standard high-strength elastic coupling, and the elastic elements are made of polyurethane, which can operate stably and reliably and prolong the service life of the equipment.

5. The bearings are imported bearings and the best bearings in China, which ensure the precise positioning of the impeller of 2BE1 vacuum pump and high stability during operation, low vibration and low noise, and ensure the long-term stable operation of the vacuum pump.

6. Mechanical seals (optional parts) are the best imported and domestic products, which fully ensure that the vacuum pump has no leakage during long-term operation and provide the best guarantee for the stable operation of the vacuum pump.

7. Linear cavity design ensures the best pumping effect.

8. The unique top mounted gas-water separator saves space, makes installation more convenient, and effectively reduces noise.

Product Parameters

Type Revolution
 ( transmission way)
Maximum shaft power
motor power
Ultimate vacuum
Maximum air valume
Pump head weight
2BE1 102 1450 (direct connection) 6.0 7.5 3.3 246 110
1750 (belt) 8.0 11 290
2BE1 103 1450 (direct connection) 8.2 11 3.3 340 125
1750 (belt) 11.1 15 412
2BE1 152 1450 (direct connection) 12.5 15 3.3 450 175
1625 (belt) 15.0 18.5 510
1750 (belt) 17.2 22 535
2BE1 153 1450 (direct connection) 16.3 18.5 3.3 600 200
1100 (belt) 10.6 15 445
1300 (belt) 13.4 18.5 535
1620 (belt) 19.6 22 648
1750 (belt) 22.3 30 700
2BE1 202 980 (direct connection) 18.2 22 3.3 750 460
790 (belt) 13.4 18.5 590
880 (belt) 16.3 18.5 670
1100 (belt) 23.8 30 860
1170 (belt) 25.7 30 888
1300 (belt) 30 37 950
2BE1 203 980 (direct connection) 29.5 37 3.3 1080 530
790 (belt) 21.2 30 870
880 (belt) 24.8 30 980
1100 (belt) 34 45 1210
1170 (belt) 38 45 1320
1300 (belt) 42 55 1390
2BE1 252 740 (direct connection) 38 45 3.3 1700 870
590 (belt) 24 30 1200
660 (belt) 31.8 37 1500
830 (belt) 45 55 1770
885 (belt) 54 75 2000
938 (belt) 60 75 2100
2BE1 253 740 (direct connection) 54 75 3.3 2450 930
565 (belt) 37.2 45 1690
660 (belt) 45 55 2100
740 (belt) 52.8 75 2340
792 (belt) 60 75 2560
820 (belt) 68 75 2640
880 (belt) 75.1 90 2780
940 (belt) 88 110 3050
2BE1 303 740 (direct connection) 98 110 3.3 4000 1700
590 (direct connection) 65.5 75 3200
466 (belt) 48 55 2520
530 (belt) 58 75 2820
583 (belt) 64 75 3100
660 (belt) 79.8 90 3550
740 (belt) 96 110 3840
2BE1 305 740 (direct connection) 108 132 3.3 4520 1820
590 (direct connection) 70 90 3750
490 (belt) 55 75 3150
530 (belt) 61 75 3380
583 (belt) 68 90 3700
660 (belt) 90 110 4090
740 (belt) 110 132 4550
2BE1 353 590 (direct connection) 121 160 3.3 5300 1950
390 (belt) 63 75 3580
425 (belt) 71 90 3700
460 (belt) 78 90 4100
520 (belt) 93 110 4620
585 (belt) 113 132 5200
620 (belt) 133 160 5500
660 (belt) 152 185 5850
2BE1 355 590 (direct connection) 136 160 3.3 5700 2200
390 (belt) 75 90 4180
430 (belt) 86 110 4260
464 (belt) 90 110 4850
523 (belt) 113 132 5230
590 (belt) 136 160 6000
660 (belt) 167 185 6510
2BE1 403 330 (belt) 98 132 3.3 4860 3750
372 (belt) 110 132 5400
420 (belt) 131 160 6470
472 (belt) 160 200 7380
530 (belt) 213 250 8100
2BE1 405 330 (belt) 100 132 3.3 6000 3900
372 (belt) 118 160 6700
420 (belt) 140 185 7500
472 (belt) 170 200 8350
530 (belt) 216 250 9450


Detailed Photos


General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

 High precision machining equipment

The company cooperates with 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!!!

Warranty: One Year
Oil or Not: Oil Free
Structure: Liquid
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump


Vacuum Pump

How to install a vacuum pump

A vacuum pump creates a relative vacuum within a sealed volume by drawing gas molecules from the sealed volume. Vacuum pumps can be used in a variety of industrial applications. They also offer various lubrication options. If you are considering purchasing, please understand its functions and features before purchasing.

How it works

The working principle of a vacuum pump is called gas transfer. The principle can be further divided into two basic categories: positive displacement and momentum transfer. At high pressure and moderate vacuum, gas molecules collide and move and create a viscous flow. At higher vacuum levels, gas molecules separate to create molecular or transitional flows.
Another principle of vacuum pumps is fluid-tightness. There are two main types of seals: rotary seals and screw seals. Rotary seals prevent liquid leakage, while screw seals only allow liquids to flow out at higher pressures. Some pumps may not use the third seal.
The flow rate of the vacuum pump determines the machine’s ability to pump a certain amount of material. A higher pumping speed will shorten the drain time. Therefore, the mass flow of the vacuum pump must be carefully considered. The speed and type of vacuum must also be considered.
The working principle of a vacuum pump is to push gas molecules from a high-pressure state to a low-pressure state. This creates a partial vacuum. There are many different types of vacuum pumps, each with different functions. Some are mechanical, some are chemical. In either case, their function is the same: to create a partial or complete vacuum. Vacuum pumps use a variety of technologies and are sized according to the application. Proper sizing is critical for optimum efficiency.
Gas transfer pumps use the same principles as vacuum pumps but use different technology. One of the earliest examples is the Archimedes spiral. Its structure consists of a single screw inside a hollow cylinder. More modern designs use double or triple screws. The rotation of the screw causes gas molecules to be trapped in the cavity between the screw and the housing. The fluid is then discharged at slightly above atmospheric pressure. This difference is called the compression ratio.
Another type of vacuum pump is a diffusion pump. Its main use is industrial vacuum processing. It is used in applications such as mass spectrometry, nanotechnology and analytical instrumentation. These pumps are generally inexpensive to purchase and operate.


Vacuum pumps are essential for many scientific and industrial processes. They are used in the production of vacuum tubes, CRTs, lamps and semiconductor processing. They can also be used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle. Likewise, they can be used to power hydraulic components of aircraft. Among other uses, the vacuum pump helps calibrate the gyroscope.
Vacuum pumps are widely used in the pharmaceutical industry and are one of the largest users of this technology. They help deal with hazardous materials and eliminate waste quickly. They are also used in power jets, dump fuel tanks and rear doors, among others. However, they are sensitive to contamination and should only be used in environments where leaks can be prevented. Therefore, choosing the right fluid for the application is very important.
The most popular type of vacuum pump is the rotary vane pump. These pumps are known for their high pumping speed and low pressure. Their efficient pumping capacity allows them to reach pressures below 10-6 bar. Additionally, they are usually oil-sealed and have excellent vacuuming capabilities.
Vacuum pumps are often used to remove air from closed systems. They create a vacuum by reducing the density of the air in the compressed space. This is done by using the mechanical force energy generated by the rotating shaft. When the pump is under pressure, it converts this energy into pneumatic power. When the pressure is different, the energy produced depends on the volume of the gas and the pressure difference between the inner and outer atmospheres.
Vacuum pumps are also used in the manufacture of solar cells. They are used in the manufacture of solar cells, including ingot casting processes as well as cell and module processes. The design of the vacuum system plays an important role in reducing the cost of the process, thus making it profitable. Due to their low maintenance costs, they are an invaluable tool for making solar cells.
Vacuum pumps are widely used in many applications. In addition to industrial and research uses, they are also used in water remediation.
Vacuum Pump

Oil Lubrication Option

Vacuum pumps are available in a variety of oil lubrication options. Choosing the right lubricant can help protect your vacuum pump and maximize its performance. Different base oils may contain different additives, such as antioxidants, and some contain additional additives for specific purposes. You should choose an oil with the right concentration of these additives for optimal lubrication of your vacuum pump.
Vacuum pumps are usually lubricated with paraffinic mineral oil. However, this type of lubricant evaporates as the temperature increases. To minimize evaporative losses, choose a lubricant with low vapor pressure. Also, you should choose lubricants that are resistant to extreme temperatures. Extreme temperatures can put extra stress on the oil and can even significantly shorten the life of the oil.
In terms of viscosity, synthetic oils are the best choice for vacuum pumps. These types of oils are designed to resist gas dissolution and are more resistant to corrosion. Therefore, synthetic oils are ideal for handling aggressive substances. Whether or not your pump needs lubrication, choosing a quality product is important.
The vacuum pump oil should be changed periodically according to the manufacturer’s recommendations. If you use a filter, you should also change the oil as soon as the filter reaches the end of its life. Unplanned oil changes will eventually cause the vacuum pump to not reach its maximum vacuum capacity.
You can buy vacuum pump oil from vacuum pump manufacturers or other suppliers. These options are available in a variety of sizes, and labels can be customized. The oil should be designed for the pump. However, you should check the manufacturer’s recommendations to avoid buying the wrong type.
If you choose to use a synthetic oil, it is important to use a good quality oil. It helps the pump work more efficiently and prolong its life.
Vacuum Pump


After choosing a suitable location, the next step is to install the pump. First, place the pump on a flat surface. Then, screw the pump onto the motor body above the check valve. Make sure the accessories are wrapped with sealing tape and secured with screws. The direction of gas inflow and outflow is indicated by arrows on the pump. The direction of rotation around the pump is also shown.
During commissioning, check the operation of each part of the pump. If the pump is equipped with a pipe connection, the pipe should be the same size and shape as the pump flange. Also, make sure that the piping does not cause any pressure drop. In addition, the first three weeks of operation require the installation of protective nets at the suction ports.
When selecting a pump, consider the back pressure of the system. Too much back pressure will affect the capacity of the vacuum pump. Also, check the temperature of the seal. If the temperature is too high, the seal may be damaged. It could also be due to a partially closed valve in the recirculation line or a clogged filter. Circulation pumps and heat exchangers should also be checked for fouling.
The vacuum pump is usually installed in the chassis area of ​​the car. They can be mounted next to the engine or on a lower support frame. They are usually fastened to the bracket using suitable shock absorbers and isolating elements. However, before installing the vacuum pump, be sure to check the vacuum pump’s wiring harness before connecting it to the vehicle.
In many experimental setups, a vacuum pump is essential. However, improperly installed vacuum pumps can expose users to harmful vapors and chemicals. Appropriate plugs and belt guards should be installed to prevent any accidental chemical exposure. It is also important to install a fume hood for the pump.
In most cases, vacuum pumps come with installation manuals and instructions. Some manufacturers even offer start-up assistance if needed.

China wholesaler Liquid Ring Vacuum Pump for Vacuum Feeding   vacuum pump oil	China wholesaler Liquid Ring Vacuum Pump for Vacuum Feeding   vacuum pump oil
editor by CX 2023-07-11

Vacuum Pump

As one of the vacuum pump manufacturers, suppliers, and exporters of mechanical products, We offer vacuum pumps and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of the vacuum pump.

Recent Posts