Dry Running Vacuum pump/Pressure Pump 1.low noise and temperature-rising 2.pressure 60kpa 3.zybw F 4.large ... the new product of ZYBW...F type pump whose noise and temperaturerising are obviously lower. It is widely used in the ... ,packing.stamping on iron sheet,cigarette making,dust catching,porcelain,lamp and lantern manufacturing,cereals processing,etc..