Fans mainly consists of blade, motor, frame, protect net, bracing cage, shutters. The motor drives blade to cause air
flow and louver window can open and close automatically to keep the dust from entering.
Fan blade is made of Krupp stainless steel by punch forming, no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken, keep air volume same all the way.
Both Chinese famous motor and Siemens motor are available. Motor voltage and frequency could be customized.Chinese famous motor, special design for fan, the first one put forward the phase lack protection device which could power off when shortage of electricity. Motor protection grade IP55, insulation Class：Grade F
Fan bearing adopts imported double-row bearing with special waterproof design, water can’t enter. High strength, lower noise, maintenance free and long service life.
Using high strenght nylon swung drop hammer opening device to ensure the shutters opening and closing
Using imported belts, making sure long service life, free to maintain.