F4-72 FRP centrifugal fan is a fan of the light metal-type parameters 4-72 of glass fiber reinforced plastic composite materials produced. Fans of the series can be delivered with acid-base composition and chemical composition of corrosive gases. Does not allow the transmission of gas with viscous material, contained dust and hard particles ≤ 150mg/m3, gas temperature ≤ 60 ℃, relative humidity ≤ 100%. Fans of the series with a high strength, light weight, easy to aging, corrosion resistance, good , low noise, smooth operation and so on. Is an ideal general-purpose corrosion fans. Fans of the series is widely used in chemical, plating, oxidation, power plants, laboratories, circuit boards, environmental protection equipment and other corrosive gases.