Push pull fan: the fan blades are made of stainless steel and pressed by dies. The fan blades are corrected by computer dynamic balance tester, and the dynamic balance is controlled within 1g, so that the fan runs smoothly, has small vibration, low noise and enhances the stability of the whole machine.
The centrifugal opening mechanism can ensure that the louver is completely opened or closed, so that the resistance of the louver is small when it is opened, the flow of the fan is large, and it is tight when it is closed, which can effectively prevent the wind and light from entering the house.
The shutter link is made of nylon to ensure the service life, flexible opening, no deformation and stable operation of the shutter.
Butterfly fan: the shutter of the fan is opened or closed through the centrifugal structure in the middle of the fan. The opening mechanism ensures that the shutter is fully opened when the fan is running, so as to reduce the wind resistance generated by the shutter and effectively improve the operation efficiency of the fan. With the design of extended bell mouth, the fan can truly realize high wind pressure, low energy consumption and large air volume in the case of tunnel ventilation.
FRP fan: reasonable bell mouth design, low noise, large air volume, strong suction force, low operation cost.
Imported bearing, high strength, low noise, durable.
Using the principle of air forward flow, the synthetic PVC shutter has the advantages of anti-oxidation, light weight, no deformation, flexible opening and anti air reverse flow.
FRP roof fan: the ventilation smoke is made of polyurethane. The diameter of the chimney is 404520640720 and 820. It is made of 25 mm half shell. The half shell is assembled by stainless steel tension ring to ensure the firmness.
The chimney can be used for suction and exhaust. The chimney fan valve, rain cover and roof are determined according to the ventilation scheme of the whole house in order to obtain the results.
