FRP roof fan impeller diameter divided by 300 ~ 2400mm seventeen machine number, series air volume 1500 ~ 22000m3 / h full pressure of 60 ~ 320Pa, machine number greater than or equal fan blades 12 can be made of leaf angle adjustable to meet different working conditions necessary to achieve energy noise. FRP roof fan according to different environmental needs, can be made explosion-proof type, suitable for non-corrosive flammable, explosive gas places, anti-corrosion environments suitable for corrosive gases. This exclusive information is responsible for collating the www.dzjiaxing.com