Detailed Product Description 9-19 series high-pressure Ventilating fan,FAN:Volume:824~820000m3/h,Pressure:3500Pa~15000Pa,Power:1.5~ ... 320KW,Voltage:380V/440V/Others,50Hz/60Hz 9-19,9-26 ... high-pressure centrifugal fan, commonly used for high-pressure forced smithery stoves ...