Widely used in election industry,vacuum drying,filter ,steep,coating,jointing,smelt and ... with booster pumps,diffusion pump,molecular pump or other high vacuum.widely used in election industry,vacuum drying,filter ,steep, ... coating,jointing,smelt and lab equipment field.Technical parameters Model 2XZ-0.5 2XZ-1 ... 625/12/625/12/640/2540/252XZ-1 2XZ-1 Rotary Vane Vacuum Pump