Powerful negative pressure fan, 220V 380V Size 30cm 40cm 62cm 80cm

Our company sells powerful negative pressure fans at reasonable prices and higher quality, 220V 380V, including the size of 30cm 40cm 62cm 80cm, which can solve your mine ventilation and cooling troubles, ventilate air, and eliminate odors. This product has strong suction, More energy saving, and environmental protection.

Body material: anti-rust thick galvanized sheet

Fan blade material: anti-rust galvanized sheet / stainless steel

Rated voltage: 380V/220/

Noise decibels: ≤70 decibels

Features:

1. Strong suction and rapid air change: suitable for various large-area places, effectively improving the harsh air;

2. The heavy hammer is upgraded without electric ventilation: the heavy hammer is upgraded again, and the shutters can be opened at 90° without turning on the machine;

3. Comprehensive testing, rest assured to use: through professional department testing, quality assurance, shopping worry-free;

4. High-quality aluminum alloy wind wheel: more robust and durable;

5. High-quality wear-resistant rubber belt: wear-resistant, anti-aging, long service life;

6. Automatically close the blinds: the machine is closed, the blinds are automatically closed, rainproof, and dustproof.