Water ring vacuum pump is a common type of liquid ring vacuum pump. Water ring is a rotor with multi-blades eccentrically installed in the pump shell. When it rotates, it throws liquid into the pump and forms a liquid ring concentric with the pump shell. The liquid ring and the rotor blade form a rotating variable capacity vacuum pump with periodic volume change. When the working liquid is water, it is called water. Ring vacuum pump.
There are many kinds of water ring vacuum pumps with different prices. Domestic models 2BV, 2BE, 2SK, SY/2SY, DLV, AT/TC are available. Among them, 2BV is more cost-effective. The type selection of water ring vacuum pump should be based on your on-site process, the required vacuum degree and the amount of air pumping required.
2BV series vacuum pumps are suitable for pumping gas and wet water vapor. The suction pressure can reach 33 mbar absolute pressure (97% vacuum degree). When the pressure of vacuum pump is lower than 80 mbar for a long time, the cavitation protection tube should be connected to protect the pump. For example, with an air ejector, the suction pressure can reach 10 mbar. The ejector can be directly mounted on the vacuum pump. When used as a compressor, its pressure is up to 0.26 mbar (absolute pressure).
2BV series vacuum pumps are suitable for gas and water vapor extraction. The suction pressure can reach 33 mbar absolute pressure (97% vacuum degree). When the suction pressure of the vacuum pump is lower than 80 mbar for a long time, the cavitation protection pipe should be connected to protect the pump. If equipped with an air ejector, the suction pressure can reach 10 mbar, and the ejector can be directly installed on the vacuum pump sub-pump. When used as a compressor, the maximum pressure is 0.26 MPa (absolute pressure).
Water-ring vacuum pumps and compressors are more widely used because the compression process of gas is isothermal in the working process, so when they compress and suck flammable and explosive gases, they are not easy to be dangerous.
Main technical parameters:
|Curve No.||Model||Max. suction capacity||Ultimate vacuum
|Operating liquidflow rate
Water ring vacuum pump structure and characteristics :
Coaxial direct connection design of pump saves space and is easy to install. Mechanical seal is used as standard configuration, eliminating leakage and easy maintenance. It runs smoothly and the noise can be as low as 62 decibels. Unified corrosion resistance design, bronze impeller to improve the corrosion resistance of the pump, such as stainless steel material more use and more rigorous application. Unique flexible exhaust design, will not produce over-compression, ensuring the efficiency of 2BV in its performance range.
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