Negative-pressure industrial fan Negative - pressure ventilating fan series are designed with CAD/CAM. Low cost, low noise, good ventilation effect, strong air flow, energy-saing, long lasting and high efficiency. It can achieve the waterproof and dustproof effect. By pumping the air with negative pressure, the fan ciuculate the indoor and outdoor air and drive out the heat in the workshop. Ventilating fan is applicable for these areas: Industrial field: textile,clothes marking,glass, rubber, toy, electronic, food stuff processing, etc. Civil field: supermarket, cyber club, hall , waiting-room, etc. Agricultural field: large farm, greenhouse, animal house, etc.
Technical parameter: Fan Diameter: 1270 mm/ 48’ Moto/ Fan Blade Rotate Speed: 430/430 r/min Airflow: 44500m3/h Noise: ≤72 dB (A) Power: 1.1 kw Voltage: 380 v Weight: 94 kg Outer Size(Height*Width*Depth): 1380×1380×400 mm Frequency: 50 Hz Effective Area: 100~120 m2 Air Pressure: 160 Pa Blowing Distance: 70 m