Overview
Liquid ring vacuum pump (referred to as water ring pump for short) is a kind of rough vacuum pump, which can obtain 4~8kPa ultimate pressure for the single-stage pump, and 2~4kPa for 4 ~ 8kPa for the two-stage pump.Water ring pump can be widely used in many technical processes in the petroleum, chemical, machinery, mining, light industry, paper-making, power, metallurgy, medicine, food and other industries and municipal and agricultural sectors, such as vacuum filtration, vacuum feeding, vacuum degassing, vacuum evaporation, vacuum concentration, vacuum resurgence, etc.
As the gas compression process of the water ring pump is under isothermal condition, the flammable and explosive gases can be exhausted, as well as gases containing dust and water;Therefore the application of the water ring pump is growing.

Applications
They are mainly for pumping air and other gases which have certain corrosively and a small amount of dust, and are not soluble in water, and widely used in the technical processes of vacuum evaporation, concentration, feeding, dehydration, drying, and so on in food, textile, medicine, chemical industry and other fields.Pumps of this series possess compact structures, and are reliable to use, convenient to install and disassemble, and easy to maintain.