Drop Hammer Type Wall Mounted Exhaust Fan

Application: this kind of exhaust fan is widely used in poultry house, greenhouse, workshop, warehouse, plant, factory, basement, garage and so on in the fields of Livestock Breeding, Agriculture, Flowers and Plants, Textile Industry, Mining, Chemical Industry, Pharmaceuticals Industry, Lumbering and so on.

Motor: Siemens motor and Chinese motor are available, high efficient and energy-saving with CCC certificate. Protection class: IP55. Insulation class: F. The voltage, frequency, power and phase can be customized.

Motor RPM: 1400r/min  

Motor base: both 1.5 HP and 1 HP motor can be installed

Motor hole: installation hole of motor and nut are all six angles instead of the roundness

Blades:  6 pcs of BA 430 stainless steel. Thickness: 1.2mm

Blade instruction: weight difference between blades is less that 0.5g, blades will go through balance test after assembled which can assure steady running and even airflow

 Shutter: made of high strength hot-galvanized steel sheet, dustproof and waterproof

Shutter thickness: 0.45mm.

Shutter linkage: aluminum. 

Small belt pulley: cast iron 

Big belt pulley: made of aluminum magnesium alloy by injection moulded, reducing the weight of blade and impeller, high corrosion resistance. Blast-sanding treatment for attractive appearance, eliminating internal stress to improve its own rigidity and stability, high strength