... be used for the booster pumps, diffusion pumps, molecular pumps pump the first stage, the maintenance of pumps, pre-titanium ... welding, printing, plastic, refrigeration equipment maintenance and supporting instrumentation and laboratory equipment. Widely used in food, scientific research, medical, electronics, ... (v)220220/380220/380weight(kg)162024 2XZ-1 Top Quality Laboratory Rotary Vane Vacuum Pump