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Roof Ventilation Fan

Roof Ventilation Fan
Unpowered fan is a device which makes use of the natural wind speed to drive the turbine rotation of the fan, and uses the principle of indoor and outdoor air convection to accelerate and convert any parallel air flow into vertical air flow from bottom to top, so as to improve the effect of indoor ventilation and ventilation. The fan does not use electricity, no noise, can run for a long time. According to the natural laws of air and the principle of air flow, reasonable Settings on the top of the roof, can
quickly discharge indoor hot gas and dirty gas, improve the indoor environment.
WhatsApp: +86 17763515339
Email: sales10@cnhgsteel.com

Product Description

Model

Intel Diameter

(mm)

Outlet    Diameter

(mm)

Air Speed (m/s)

Air Capacity (m3/h)

Weight (kg)

Material

FM-300

300

400

3.4

1280

3.5

Stainless steel

FM-360

360

460

3.4

1380

4.2

Stainless steel

FM-400

400

500

3.4

1680

6.2

Stainless steel

FM-500

500

630

3.4

2520

8.5

Stainless steel

FM-600

600

730

3.4

3600

11

Stainless steel

FM-680

680

880

3.4

4500

15

Stainless steel

FM-800

800

980

3.4

6500

18

Stainless steel

FM-880

880

1050

3.4

8000

22

Stainless steel


Characteristics:

1.Automatic driving by wind, working 24 hours of a day.

2.High sensitivity, the blades drive with slight wind, the difference in temperature also makes the blade driving.

3.Stable rotary, mute sounds so no influence of the workshop.

4.Complete senior axis bearing, no lubrication.

5.Corrosion resistant, acid proof and alkali proof, long time using.



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