... Rotary Vane Vacuum Pump Samll volume, low weight and low noise,high ultimate vacuum 2XZ-C Series ... noncrystalline silicon, monocrystal silicon, polysilicon, distilling, industry, food packaging, aerospace technology, semiconductor,electronics, refrigeration equipment, medical treatment, chemicals and laboratory or ... The exhaust of 2XZ-6C,2XZ-8C,2XZ-15C and 2XZ-25C is assembled with oil mist collector. ...