Abbi-Aerotech - Vortex Fan for Poultry Farms Ventilation System - Datasheet
Cast aluminum 3-blade airfoil propeller with Macheta® tip and new profile for higher airflow and efficiency. Streamlined fiberglass housing for maximum efficiency. State-of-art shutter design using counterweighted airfoil blades, intake channel and weather-tight seals. U.S. Patent Nos.6386828; 6616404; 6953320.