Detailed Product Description content Uses: Exhaust fan,Dia.500mm~1500mm,Volume:3000~138000m3/h,Pressure:300Pa~800Pa,Power:3KW~25KW,380V/440V Fans of the series are widely used High 140 oven, underground garage, tunnels, and so on. According to the different requirements of senior civil buildings, a single-speed drive in the form of one or more speed-driven, so as to achieve a machine using (under ...