rooftop fan,good structure, large air volume, used for factory etc, FRP material the base cast iron, light weight.

3 

The roof fan is mainly composed of the paddle-wheel wind tube,nozzle button,motor and other fittings,

The main technical parameters:

No. 5

Impeller diameter 500mm

Wind 6400-7000m3/h

Total Pressure 131-113

Speed 960r/min

Weight 30kg

3 

The roof fan is mainly composed of the paddle-wheel wind tube,nozzle button,motor and other fittings,

The main technical parameters:

No. 5

Impeller diameter 500mm

Wind 6400-7000m3/h

Total Pressure 131-113

Speed 960r/min

Weight 30kg

rooftop ventilator,