Ventilator,centrifugal ventilator 1.FRPand metal material 2.volume:100m3/h-90,000m3/h 3.pressure:100Pa-50,000Pa Ventilator,centrifugal ventilatorIntroduction of centrifugal ventilator,centrifugal fan,fan,ventilator, blower,air blower,exhaust fan,ventilation fanFRP is a new-type composite material which made by glass fibre as strengthen material,synthetic resin as binder and through several ...