industrial roof ventilator mod

Products Name:turbine ex
Quantity:according
Packaging:by boxes
Full Size:material:s
Place of Origin:Shanghai
Main charactoristics of model 500-I
Blades: 25
Total height: 600mm
Turbine diameter: 620mm
Ventilation caliber: 490mm
Bottom plate aperture:490mm

Main charactoristics of model 500-II
Blades: 25
Total height: 520mm
Turbine diameter: 570mm
Ventilation caliber: 500mm
Advantages of model 500
Rugged corrosion-resistant stainless steel body
High-quality stainless steel body, can withstand a long period of windrain and the erosion of indoor gases. Excellent absolute closed American UBC low resistance bearing is durable and lubricant, no need to maintain.
Installation is simple and fast:
Due to adopting a unique angle-pipe neck design, the ventilation device can be applied to different tilt angles roof, it significantly reduced installation cost.
Environmental protection, energy saving, no electricity cost.
It can operate by natural wind after installation without elect