We are a professional roof turbine air ventilator manufacturer, the productions exported to South Africa, India and Dubai and so on, the models as below:
Model Diameter for base plate(mm) Diameter for vanes(mm) Height Air Output Material
880A 680 880 995 2600-6500 stainless steel, aluminum and steel galvanized
880B 680 880 762 2200-6100
600A 600 750 772 1500-5000
600B 600 750 645 1100-4500
500A 500 620 720 800-2500
500B 500 620 600 800-2000
300 300 420 530 500-1200
Benefits: Light weight, high revolving speed, strong corrosion resistance, high air exhausting efficiency, sturdy and durable, 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
Roof Angle: Applied in different roofing in the scope of 0-22.5 obligue angle.
1. It is no electricity or energy costing and noiseless, exhausting air naturally and effectively. It can work for a long time so as to make fresh air circulating.
2. Good surface self-lubricating performance, superior anti-corrosion, weather resistance, strong wear resistance, long service life, light weight and high sensitivity.
3. Minimum packing measurement. Easy to install.
4. Warranty: 15years
Please ask more information for any interested goods.