3m-7.3m China Big Large Hvls Industrial Ceiling Fan Air Cooler Fans

3m-7.3m China Big Large Hvls Industrial Ceiling Fan Air Cooler Fans. Gearless Direct Drive Motor: Brushless DC motor with high torque and permanent magnet technology for stable performance. Aerodynamic Blade Design: Blades designed using American wind tunnel principles for optimal airflow and efficiency. Low Noise Operation: Operates at 40-45 dB, suitable for cinemas and quiet industrial environments. High Safety Standards: Features collision insurance, automatic alarm, and fall prevention mechanisms. Durable Aviation Materials: Blades made of aluminum magnesium alloy that do not break when bent at 90 degrees. Wide Coverage Area: Covers areas from 650 to 1600 square meters depending on the model size. Energy Efficient: First-class energy efficiency with power saving capabilities for large spaces. Versatile Applications: Ideal for factories, warehouses, airports, malls, sports arenas, and places of worship.