The characteristics of the louvered air duct fan are as follows:

1. Frame: It adopts automatic processing technology, one-time forming, extra-thick galvanized sheet layer (150g/m2), and drain outlet at the bottom. The fan adopts the wind-collecting design, and the front butterfly-shaped opening system has large air volume and low operating cost.

2. Pulley: Aviation aluminum alloy V-shaped wheel hub, hot pressure casting, light material, high strength, good toughness, no fracture.

3. Fan blades: 6 pieces of new-type one-time stamping stainless steel fan blades, no deformation, no breakage, beautiful and durable. The whole machine has undergone a dynamic balance test, and its reasonable blade angle ensures low noise while ensuring atmospheric flow.

4. Belt: B-type belt, no deformation, long life; maintenance-free during the entire service cycle.

5. Motor: It adopts double-support (E-type) belt drive and is equipped with energy-saving motor, which has passed the certification, protection grade: IP54, insulation grade: F grade.