Rotary vane vacuum pump

2X series vacuum pump for the two-stage structure, its performance from the high pressure stage and low pressure stage part, its suction port connected to a vacuum container or vacuum equipment, gas container to intake and discharge when operating. When the equipment is a vacuum, high pressure stage exhaust valve film will be closed, high-level and the gas will be transferred to the second stage, and by the second stage suction and discharge, vacuum equipment available certain vacuum. The pump's ultimate vacuum 6 × 10-2pa. 2X-type vacuum pump is used to seal the container vacuum pumping gas to obtain one of the basic equipment. Can be used alone, but also as a Roots vacuum pump, diffusion pump, molecular pump, etc. before the pump. It can be used for vacuum operation vacuum smelting, vacuum welding, vacuum impregnation, coating, vacuum drying, and chemical and pharmaceutical, vacuum devices and other industries.