Type 800

The exhaust fan Materials is made by 275g coating weight galvanized steel plate.
Advantage:High strength,Strong corrosion resistance.

The belt pulley are made of High strength aluminum-magnesium alloy by die-casting which reduce the weight of propeller, high corrosion resistance.

Material:Krupp 430 stainless steel, thinckness 1.2mm. One times punching formed attractive and durable.Note: Blade material also have galavanized ,304 stainless steel, aluminum alloy for option.

The heavy hammer material are High strength Nylon PA66 Guide Rod: 304 stainless steel with special material outside, highstrength, no rust.It can keep the shutters open at complete 90 degree and closed completely

We are used import good quality famous brand bearing, which have high strength ,low noise ,maintenance free and dustproof and waterproof, have long service life.

We all used good quality motor ,the common motor are chinese famous motor.Siemens motor, ABB motor and WEG motor by required. Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which would power off when shortage of electricity.

The fan protective safety net is made by hot-dip galvanized wire with electrostatic plastic spraying. Not easy to get rust,beautiful and durable.

The shutters thickness about 0.45mm per pcs, it been stamped in same stylest. It can open and closed automatically.

In order to facilitate transport, a concave plastic handle is designed on both sides of fan fuselage, it is greatly improve the transportation efficiency. It has beautiful appearance and it is reasonable for design and not easy to damage, cannot hurt hands.