... start-up Description of Vacuum pumpThis series pump is used to seal the gas container extraction of basic equipment ... of pumps, pre-titanium pump pumping pumps. Can be used in manufacturing electric vacuum container, vacuum welding, printing, plastic, ... universities and other departments.Main features of rotary vane vacuum pump1. Small size, light weight, low noise2. ... kg)162024 2XZ-4 rotary vacuum pump