1380mm Heavy Hammer Ventilation Exhaust Fan with Plastic Blades for Greenhouse/Poultry Farm/Industry

DJF(a)-3 Series Heavy Hammer Exhaust fan are widely used in agriculture and industry ventilation and cooling. It is mainly used for animal husbandry, poultry house, livestock breeding, greenhouse, factory workshop, textile etc.

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  Fan frame material are all 275g/㎡ hot-dip galvanized steel. The steel coils are directly purchased from the famous Chinese steel company, which not only guarantees product quality but also reduces production costs.
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  Small shutter and new sealed rotating device increase efficiency by 30%.
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  The new louver rotating device makes the rotating arm directly rub against the wear sleeve, reducing the friction coefficient, the shutters can be opened more flexibly and closed more tightly.
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  The new double-layer sealing device, the seal is stronger and the sealing is better.
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  Fan blades are made of high quality plastic, beautiful appearance, low noise. Reasonable fan blade angle design, large air volume and high efficiency.
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  Belt pulley is made of high sliength aluminum-magnesium alloy by die-casting. Light weight, low vibration, high strength, and no breakage.
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  High strength nylon swung drop hammer opening device ensures the shutters opening and closing flexibly.
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  Mitsuboshi belt imported from Japan to guarantee quality and service life.
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  Imported double-row bearing with special waterproof design, high strength, low noise, free maintenance and long service life.
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  Aluminum-magnesium alloy base, low vibration, firm fixation, beautiful appearance and no rust.
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  Yuyun Sanhe motor, Siemens motor, WEG motor, ABB motor are optional. Voltage and Frequency can be customized.
  Protection Grade: IP55    Insulation Level: F
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  Safe net is made of hot-dip galvanized wire welding and plastic spraying treatment, double protection, no rust.
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  Fan blades have been calibrated by an advanced computer dynamic balance tester, low vibration, low noise and high stability.
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  All fan parts are produced by CNC production, quality assurance, beautiful appearance, leading the industry.