50inch Stainless Steel Exhaust Fan Butterfly Cone Type Ventilation Fan With CE Certificate

  The cone part adopts plug type connection,and do not need many bolts and nuts for tightening as before,which reduce intensity of labor and improve aesthetic extent of fan.When the two semicircle shutter doors close,,the rubber sealing ring makes good air tightness,which can avoid effectively the outside air from entering the room from other unworking fans and improve the working efficiency of 15-20%

Products Features:

1.Reasonable cone designed with big air volume,low noise,low cost.

2.Blades:6 pieces of mirror finished stainless steel blades,attractive and durable with big air volume,low noise,no distortion,no broken.

3.Shutter:made of high quality PVC raw material,aluminum sheet,antioxidant,light weight,no distortion,and flexible operation.

4.Frame:made of galvanized steel sheet,one-off molded,anti-corrosive and durable.

5.Belt pulley:made of aluminum magnesium alloy,light weight,high strength and good toughness.

6.Bearing:imported double-row bearing,super mute,high intension and durable.

7.Motor:high efficient and energy-saving motor with CCC certificate.Protection class:IP55,Insulation class:F