1. negative pressure exhaust fan 2. big wind capacity, low noise. galvanized steel frame 3. advanced technology

The diameter of blade:1000mm

The speed of  blade(r/min): 560

Power:0.75KW

The capacity of wind(m3/h): 43800

Dimension: 1380*1380*410mm

Weight: 65KG

 Descriptions:

1. The outline border adopts advanced automatic process, more accuracy, material adopt zinc coat and zinc plate.

2. The aluminum metal alloy of the high strength hub, adopts aviation aluminum magnesium metal alloy, light weight, high strength, good tensile.

3. Strap adjust automatically, no need manual adjustment during lifetime.

4. Shutter adopt special push-pull, open-close device, ensure shutter totally open and close, windproof, rainproof and dustproof.

5. Newly punch forming fan blade, reasonable angel and reach the max. air flow, mini. Noise.

6. Double bracing (E style) belt transporter, Europe industry motor standard.

7. Safety net easily tears down.

8. strictly quality test process: noise test, vibration test .concentric performance test, fan blade     turning speed test, input air teat and vehicle efficiency test.

9. Special motor hole wind shield, avoid losing wind to reach the best wind suck effect.

10. belt type B,thicker and durable ,double life time

negative pressure exhaust fan