Difference between vane vacuum pump

Vacuum pump is the use of mechanical, physical, chemical or physicochemical methods have been drawn container obtained by vacuum suction device or equipment. Popular terms, the vacume pump is a closed space in a variety of ways to improve, create and maintain a vacuum device.
Press the pump works, pump basically be divided into two types, namely gas pumps and gas transmission pump trap. It is widely used in metallurgical, chemical, food, electronics coating and other industries.
Vane pumps are vane type pump housing (stator ring) in contact with the rotor slot, and the suction side of the liquid from the inlet pressure to the oil discharge side of the pump.