Industrial Drop Hammer Exhaust Fan for Poultry Equipment

Industrial Drop Hammer Exhaust Fan for Poultry Equipment. Gravity counterweight shutters close tightly automatically to stop backwind and dust ingress, no air leakage. Large fan blade delivers huge air volume, builds strong negative pressure for fast cooling and ventilation. Hot-dip galvanized frame and aluminum blades are corrosion-resistant, durable for humid farm environments. Pure copper waterproof motor runs efficiently with low power consumption and low noise. Wall-mounted design for simple installation, stable operation and little maintenance. Widely used in poultry houses, greenhouses and industrial workshops, customizable for different voltages. Automatic drop hammer shutter, good sealing against wind and dust. High airflow, excellent negative pressure ventilation and cooling effect. Galvanized casing, anti-rust and long service life. Energy-saving copper motor, quiet and stable running.