Detailed Product Description 9-19 series high-pressure Ventilating fan,FAN:Volume:824~820000m3/h,Pressure:3500Pa~15000Pa,Power:1.5~320KW,Voltage ... for transportation of materials, and non-corrosive air, not spontaneous, non-viscous substances gas. Medium temperature not more than 50 ... (maximum of not more than 80 ), the medium and hard dust particles ...