We are offering aluminium roof ventilator.
model:
300/ 500/ 600
materials:
adopting 3005# aluminum alloy as base material, on the surface of which sprays a coating of 20µm thickness fluorine carbon polyester; japanese nsk sealed bearing; fireproofing reinforced nylon support or metal support; rivet to connect.
benefits:
light weight, high revolving sensitivity, strong corrosion resistance, high air venting efficiency, clean and smooth, uniform color, and easy maintenance.
working condition:
temperature difference between indoor and outdoor is 0.45℃, it begins to revolve at the wind speed of 0.12m/ s.
roofing angle: applied in different roofing in the scope of 0-22.5°oblique angle.
warranty: 15 years

We are offering aluminium roof ventilator.
model:
300/ 500/ 600
materials:
adopting 3005# aluminum alloy as base material, on the surface of which sprays a coating of 20µm thickness fluorine carbon polyester; japanese nsk sealed bearing; fireproofing reinforced nylon support or metal support; rivet to connect.
benefits:
light weight, high revolving sensitivity, strong corrosion resistance, high air venting efficiency, clean and smooth, uniform color, and easy maintenance.
working condition:
temperature difference between indoor and outdoor is 0.45℃, it begins to revolve at the wind speed of 0.12m/ s.
roofing angle: applied in different roofing in the scope of 0-22.5°oblique angle.
warranty: 15 years