Small centrifugal fans by external rotor induction motor or three-phase squirrel cage induction motor, volute, impeller and mounting bracket composed with a compact, light weight, small size, high efficiency, air volume, and high pressure. At the same time customers can get different installation location by changing the way mounting bracket assembly. Can be widely used in all kinds of ground control facilities, electronic equipment forced air, dust can also be used for pipe, the exhaust heat of environmental protection and pollution control and so on. Magnetic particle inspection method fan rotor or impeller around the wire, Walter DC impeller or rotor generates a magnetic field. Impeller into a pole on top of each cooling tower fan supply, and then coated with iron. If the supply fan blades for cracks, resulting in two different polar chiller supply industry in the gap at the crack, which will suck iron. This can find out where the injured leaves scars. Phosphor testing centrifugal blower blades coated with phosphor supply, and then wipe off. The rotor or impeller to move to the dark room, look, there is a crack at the phosphors glow and indelible. These are the fan impeller fan manufacturers to introduce Shanxi damage inspection method, if you want to learn more Information Shanxi fans, stay tuned to our official website, you can also phone consultation, we will be happy to serve you and look forward to Your visit roof ventilator Suppliers |! Hulunbeir fan Supply | nagorye blower provided by the Shanxi nagorye blower limited liability company. Shanxi nagorye Blower Co., Ltd. (www.sxgfj.cn) (www.sxfjgs.com) strong, credible, Shanxi Xinzhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead nagorye blower and you hand into the brilliant, for a better future! You can also access (www.sxfjgs.com/supply_details_45931695.html), for more information about the company.