4 Category Material Category: Steel fan, FRP fan, plastic fan, PP fan, PVC fan, aluminum fan, stainless steel fan, etc. By Application: proof fans, anticorrosive fans, explosion-proof fans and other types. According to the requirements of classification: pipeline, wall, post, fixed, rain and dust formula, motors and other external. 5 uses axial fan (fixed) can be used in metallurgy, chemical industry, light industry, food, medicine and other places civil ventilation or strengthen cooling purposes. If the cabinet removed, can also be used as a free fan can also be an exhaust duct in a longer interval installed in series, to increase the pressure in the pipeline. 6 Features This series of fans has a simple structure, stable and reliable, low noise, a wide range of characteristics function selection. Features: excellent high temperature performance, high efficiency, easy installation, reliable operation (to produce single-speed, two-speed, frequency and stepless, rooftop exhaust fan fire and explosion Fire-type special fan) and obtain fire product license. Uses: High-rise buildings, oven, tunnels, underground garage and special industrial and mining enterprises and other fire temperature exhaust, exhaust. Specifications: Fan diameter: φ350 ~ φ1500mm air volume: 3350 ~ 93800m3 / h Pressure: 280 ~ 819Pa Now China's fan industry has been rapid development, Ma'anshan sidewall fan, exhaust fan fire applications have been widely used, The fan in the application process requires a reasonable operation of the components, the only way to give full play to its ultra-high performance, today we have for you in detail how to better operate under fire exhaust fan: 1, fire exhaust fan generally It is the appearance of relatively smooth, no scratches and bumps processing defects, more uniform coating. 2, the smooth operation of the fan with the impeller, no abnormal vibration and noise, the normal rotation, at no loose fastening. 3, fan shell weld, the weld should ensure full no slag, pressure blower models, no bubbles, Weld defects, Wall fans wholesale, structure of a solid. 4, exhaust fan fire tests were run, with no serious motor fever, live shell and so on, that would be very likely to cause a short circuit, leading to harm. We must do more than operate the various components of fire exhaust fan, the only way to rational use of the fan, and make full use of its ultra-high performance, prolong its life, for us to save costs and improve efficiency. Explosion Wall fans, WEX Hefei Wall fans (certified), Huainan Wall GREAT fan blower is provided by Shandong Air Conditioning Equipment Co., Ltd .. Shandong GREAT Fan Air Conditioning Equipment Co. (www.greatfengji.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. GREAT leadership in the staff warmly welcome all inquiries negotiations to create a better future GREAT.