Unpowered Roof Fan, Stainless Steel Roof Fan

Unpowered Roof Fan

Unpowered Roof Fan

As used under special condition or users special require, we can also supply these kinds of ventilator with other material: aluminum alloy coated with flurocarbonile polyester, and glass fiber reinforced plastics(GFRP). Material: Stainless steel Operation efficiency: 1. Exhaust volume is 2779M3 under the wind speed of 8 kilometers/hour 2. Be operational in the breeze with wind speed of lower than 2 kilometers/hour Bearing: Bearing made in Japan, stainless steel protective cover, free from adding lubricant Turbine vane 26, 32, 42 stainless steel combined type vane Turbine structure and support: Stainless steel with cast aluminum composition Period of quality guarantee: 15 years

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