... valve 3.Stop with no oil reture 4.Easy start-up Description of Vacuum pumpThis series pump is used to seal ... , electronics, chemicals, pharmaceuticals, universities and other departments.Main features of rotary vane vacuum pump1. Small size, light weight, low noise2. Equipped ... .370.55Voltage(v)220220/380220/380Weight(kg)162024 2XZ-4 rotary vacuum pump