Tornado aircraft body using drum structure, properly configured to duct short, grade Ⅰ host, grade Ⅱ hosts (including collection / diversion, motors, impeller), a diffuser tower. According to user needs can be equipped with electric butterfly valve, muffler and so on. The coupling member may be a rigid coupling or flexible coupling, the whole structure horizontally split and opened into the Confucian, the parts can easily removable, easy maintenance, inspection, and maintenance. The bottom of the fan has scuppers Φ50mm, thus ensuring no water turbine barrel.

keywords: Energy-saving fan, high temperature fan, explosion-proof cooling fan,