What is rotary-vane vacuum pump -

rotary vane vacuum pump is a kind of oil seal rotary pump, also called gerd pump, pump, is mainly composed of stator and rotor and sliding vane. Eccentric rotor is installed in the stator and stator inner tangent to the zenith. Rotor is equipped with two sliding vane, in the process of rotating, the spring and centrifugal force, under the action of the two blades can slide, and firmly adhere to the wall of the stator. The stator and sliding vane will rotor into exhaust and suction chamber, gas cavity. When the rotor rotation to drive the slide, the continuous expansion of leaf blade suction chamber and the inhale the gas in the exhaust chamber is compressed, gradually until the pressure in the exhaust chamber than the atmospheric pressure, exhaust valve is opened, gas is discharged into the atmosphere.

in order to prevent the reverse flow of waste gas into the pump, exhaust valve special coverage and oil seal. Vacuum water pump oil lubrication of the stator, rotor and sliding vane not only, also seal them. In addition, the pump oil filling all the harmful space in the pump cavity, in order to eliminate them to limit the effects of vacuum.

ordinary rotary vane vacuum pump is mainly used to remove the pure dry gas. If contains a great deal of gas condensate gas has been removed, you will need to rotary vane gas ballast ( Valve) Vacuum pump. Air valve is installed in the 'gas chamber'. It will open and a certain amount of air inhaled, the partial pressure over the water vapor pressure in the suction chamber of a few times. When arrived in suction chamber, water vapor partial pressure is still below the saturated vapor pressure, so it will not condense into liquid droplets, and will maintain gas and air discharge pump outside together.

rotary vane vacuum pumps can be used as a stand-alone device for low vacuum. Widely used in vacuum metallurgy, vacuum casting, transportation, medical equipment, freeze drying, vacuum impregnating, vacuum heat treatment and other industries. Rotary vane vacuum pump can also be used for high vacuum pump booster pump and booster water pump, such as oil diffusion pump, roots pump, oil, steam jet pump, turbomolecular pump and booster pump of sputtering ion pump. It can also form a vacuum pump unit, and used in various fields of national economy.

The use and installation of water pump is compared with most other systems for managing the pool cover drain pump effectively and no doubt water pump have won the race so many times.
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