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The drop hammer fan consists of blades, motor, frame, protective net, supporting frame, shutter, swinging drop hammer and other components. The shutters are automatically opened after starting. After shutting down, the shutters are automatically closed to prevent outdoor dust and foreign matter from entering, and also to avoid the influence of rain and snow and downwind. The frame is made of advanced processing technology with high accuracy. The standard zinc layer is highly corrosion-resistant.

Impeller and Propeller:adopting aluminum magnesium alloy which used in avation field,weight low but with high strength and ductility.

Motor:High perfomance motor dedicaed to fan,approved by CCC certificate.Protection level:IP55. Insulation level:F class. Optical motors:Domtors:Domestic or imported.

Blade:adopting a punch forming technology,which ensure the aluminum blade will not defotm and break,attrative and durable.The reasonable angle of blade will ensure the maximum air flow and the minimum noise.The high-accurate dynamic baance detection and adjustment,will ensure the fan with smoothly operating and without vibraton,that increase the service life eff ectively,during which,the air flow will remain stable constantly.

Bearing:Sealed permanently,high strength,high-resistance to corrosion,with long service life and no noise.

Belt:Resisitance to abrasion,without deformation.Optical belt:dinestic or imported.