Low silhouette belt drive propeller fans for exhaust or supply ventilation. Capacities up to 74,200 CFM and up to 7/8 inch static pressure. EC and ECH fans are designed for high capacity general ventilation. Typical applications include a wide range of commercial, industrial, and institutional facilities such as schools, hospitals, prisons, and assembly areas.   Features Housing Hood and framework constructed of heavy gauge aluminum Bolted-on hood provides easy access to motor drive compartment Large hood provides full perimeter opening for efficient air flow and weather protection Steel fasteners are zinc dichromate plated Welded tubular steel frame supports motor, propeller and drive assembly Heavy gauge galvanized wire birdscreen Aluminum Propeller All welded heavy gauge aluminum propeller Non-overloading design for safe operation Precision balanced for smooth vibration free operation Disconnect Switch Mounted over knock-out in orifice plate allowing convenient wiring to power source Explosion proof switch separate when explosion proof motors are selected. Bearings Permanently lubricated in an Acme D.S. pillow block housing Bearings are resiliently mounted in neoprene rings Rated at L50 life of 200,000 hours 5 year limited warranty on Acme D.S. pillow block bearings Pillow block bearings are standard on ECH72 Drive Assembly  Cast iron drives sized for 150% of drive horsepower Static free, oil and heat resistant belts Motors Continuous duty motors located in the airstream for cooler operation and longer life under continuous duty

 

Options/Accessories Roof Curbs Dampers Coatings Filters, vertical and horizontal Steel propeller