... election industry,vacuum drying,filter ,steep,coating,jointing,smelt and lab equipment field. It could be used separately or combined with booster ... ,filter ,steep,coating,jointing,smelt and lab equipment field.Technical parameters Model 2XZ-0.5 2XZ-1 2XZ-2 2XZ-4 2XZ-8 ... port(mm)1616/625/12/625/12/640/2540/252XZ-1 2XZ-1 Rotary Vane Vacuum Pump