rotary vane compressors 1.low noise 2.used printing,packing,grain processing,sewage processing 3.over pressure 150kPa rotary vane compressors 1.Main Feature ... ,low noise and reliable operation etc... This pump is widely used in the industry of printing,packing,cigarette making,porcelain,lamp ... port threadG"2 1/2"Weightkg380sizemm1344*612*548 rotary vane compressors