• 21ft. Industrial Ceiling Fan
• High efficiency and energy-saving rotor motor.
• Dust proof structure and long service life motor
• Blade is made of aviation polymer composite material (helicopter wing materials).
• High strength, lightweight impact-resistant, anti-aging & with long service life, large air volume & high pressure airflow, Highly efficient & energy-saving ventilation product.
• Omni-directional natural wind – High efficiency and energy-saving while ventilating a large area of coverage.
• Control Box – with customized frequency converter over current protection, over-voltage, protection, under-voltage protection and overload protection
• Suitable for large logistics warehouses, distribution centers, large workshop, public buildings, large farms and etc.
• 1,150 watts power
• 6,500mm (21feet) fan diameter
• 70rpm speed
• 14,800m3/min air volume
• 39db(A) Noise
• 1,000sqm. wind coverage area
• 4,000mm distance from ground
• 101.55kg weight of whole fan set (motor, blade & tube)
• 4.4kg weight of control box