Belt drive exhausters feature the motor out of the airstream for ease of servicing and inspection. A removable motor cover allows quick and easy access to the motor, belt and drives without removing the fan. Capacities up to 78,842 CFM and up to 3/4 inch static pressure. The UBGMX is a high velocity exhauster designed to discharge air up and away from the building. The UBGMX can operate continuously in airstream temperatures up to 200°F.   Features Windband Constructed of heavy gauge galvanized steel with a die formed flange for extra strength Channel cross tie member provides lateral rigidity Removable panels for easy access to fan and dampers Butterfly Dampers Constructed of heavy gauge aluminum Stainless steel hinge pins and nylon bearings provide quiet, low friction operation Dampers open and close against rubber bumpers for quiet operation Water trough under damper hinge provides drainage for rain, melting snow and ice Aluminum Propeller Constructed of welded heavy gauge aluminum High efficiency circular arc airfoil blade design Precision balanced for smooth vibration free operation Housing Heavy gauge galvanized steel base with deep drawn orifice Lifting eyes for ease of handling Bearings Permanently lubricated in a duplex split 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 UBGMX72 Drive Assembly Cast iron drives sized for 150% of drive horsepower Static free, oil and heat resistant belts Variable speed drives standard for 5 HP and smaller Fixed pitch drives for 7 ½, 10, and 15 HP Motors Continuous duty motors by nationally recognized manufacturers Prelubricated ball bearings requiring minimum maintenance   Options/Accessories Roof Curbs Disconnect Switches Outlet Guard Coatings Fusible Link Damper Lifters Magnetic Damper Latches Belt Guard SE Option U.L. Listed "Power Ventilators for Smoke Control Systems"