Blades are made of high quality stainless Steel by CNC TURRET PUNCH PRESS,attractive and durable ,special design of blade shape ensuring big air flow ,no distortion,no broken,passing the homeostasis test to ensure the air volume keeping the same as the very beginning during the operational life span Siemens Motor or Chinese Motor can be choose ,high efficient and energy-saving with CCC centificate,Protection Class:IP55,Insulation Class:F.The voltage,power,Frequency and phase can be customized.Belt Pulley is made of aluminum magnesium alloy by injection molding ,and passes through blastsanding trestment for attractive appearance,reducing the weight of blade ,high corrosion resistance,eliminating internal stress to improve its own rigidity and stability,high strength.The Bearing adopts special waterproof design of double-row bearing,high intension,low noise,maintenance-free and long service lifeCentrifugal System is made of high quality nylon,opening the shutters at complete 90 degree to ensure the lowest air resistance and biggest air volume. When it is colse,the tight sealing can efficiently block light and wind into the poultry house.The Fasteners of centrifugal system are copper rivets.wear-resisting.no rust,and flexble ,Nylon oriented pole is made of stainless steel,ensuring the high strength and reducing frication,rust-resistant.

Note:Due of  continuous improvement of products,various parameters are subject to change without notice.

           More ,we also manfacture  and sell other products that can match this kind of Exhaust Fan