
7.3m High Airflow Industrial Ceiling Fans Outdoor Use. High Efficiency Direct Drive: Gearless permanent magnet brushless DC motor for high torque and energy saving. Extreme Safety Protection: Five insurance systems including anti-fall plates and 1000KG steel wire locks. Low Noise Operation: Noise level as low as 40-45dB, suitable for cinemas and quiet environments. Aerodynamic Blade Design: Aviation-grade aluminum magnesium alloy blades tested in wind tunnels for stability. Customizable Specifications: Diameter from 2.5-8m, power 0.55-1.5kW, voltage 220V/380V, speed 55Rpm. Versatile Application: Ideal for factories, warehouses, malls, airports, and large indoor spaces. Stable Performance: 100% stable performance without vibration, ensuring long service life.