Find high quality non power roof fan with competitive price here. Please rest assured to buy non power roof fan with Qingzhou Yongsheng Machinery Co.,Ltd

Working Theory: convection between ;natural wind ;and air to accelerate and transform any parallel airflow into vertical so as to improve the indoor ventilation. The hot air rises and ;Cold Air ;falls, which makes the fan rotate. So the ;indoor heat, stink and dust are exhausted effectively. It also can effectively remove indoor soot, smoke, odor, moisture, heat, decorative harmful gas, dust, human metabolism and other dirty volatile mixed-doped odor as well as viruses and bacteria invasion.  

Working Result: it improves the working environment, protects workers' health and enhances the working efficiency.

Application Areas: warehouse, toilet, factory, workshop, stadium, tennis hall, assembly hall, garage, ;paper Mill, galvanization factory and coating factory.
?Need no energy: Nature wind drives,operating in 24hs the whole day  
?High efficient air & moisture removal capacity, better than that of similar products over 25%
?Unique blade design with smart operation and wind-proof & rain-proof
?Imported bearing, free lubrication,no noise and free maintenance
?Unique variable angle tube help to realize easy installation
?High-quality stainless steel body. Supporting brackets are all made of stainless steel, which has very good corrosion-resistant ability.
?Environmental protection, energy saving and ;no electricity ;cost.
     

 

Stainless Steel Roof Fan                           

Color Steel Plate Roof Fan

Model	Fan Blade Quantity	Sphere  Diameter	Air Flow (m³/h)
300	24pcs	430mm	1000
500	32pcs	630mm	1800
600	32pcs	730mm	3000
800	42pcs	900mm	6500
Remark	Material: Stainless Steel/Color Steel Plate