Jinan Shuangyi Environment Engineering Co., Ltd.

roof fan

Brand Name:
Electric Current Type:
Roof Fan
Blade Material:
ISO9001, ISO14000
380V, 50 HZ
roof fan
Detailed Description

stainless steel roof fan,ventilator driven by wind,no need power,no noise,good effective,rain proof

Introduction for stainless steel roof fan


The non power turbine ventilator is through the turbine blading shell in leaf blade to catches the windward sides blow and push rotor blade shell revolving. because of revolving the turbine blading shell has the centrifugal force, induces the whorl shell inside air discharges through the leeward leaf blades, due to air extraction, causes in the turbine shell lower part the appendix region have the negative pressure, to maintain the air dynamical equilibrium, the positive pressure region's air naturally flow to the negative pressure zone, then achieve the effect of ventilation.


The non power natural ventilator include the turbine wheel, the central shaft system, cuts the wind piece, the crossing margin, an altar and so on. It is not only taking natural lighting, moreover the waterproof efficiency may reach 100%.

We have a very strict quality controling system which promise that ventilators we produce are always of best quality!All the above picture is just for your reference, We can provide service according to client's requirements!We promise the high quality but the low price . Welcome to discuss the business.If you have any problems about details please contact us.

Company information:
    Our company name is Jinan Shuangyi Environment Engineering Co., Ltd. Which established in 2007 . We is an exporter of China (Mainland) Blowers products.    Our products always sell well in the worldwide markets, including North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe. Our products have earned us a strong reputation for good quality. We continuously work to reach even higher standards.    We sincerely invite you to contact us!Please visit our website www.chinafrp365.cc for more details on our products and services.
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Send Inquiry to this Supplier
Jinan Shuangyi Environment Engineering Co., Ltd.
Ms. lisa liu
N0.C Building,Huanbaokeji Garden,Hi-tech Distrit

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