Roof ventilator,roof turbo ventilator 1. stong rust resistant capability, 2.energy saving, 3.easy to operate
Roof ventilator Character:
1. Zinc of steel:180g/m2,
stong rust resistant capability, long severce life. Also stainless steel , Galvalume material for choice.
2. Multi-angle turbine
turbine can be altered, This kind of turbine can be installed on many kind of roof , easy to operate.
3. Double bearing
(1)with fireprollf nylon engineering plastic outside the bearing,
(2)this kind of complete insulating motivates system can ensure ventilator work more smoothly and efficiently.
automatic wind driven roof ventilator