The friction caused by the vibration of the belt can decrease the fan’s overall efficiency and lead to more frequent repairs. They are still a popular buy due to their relatively quiet operation and 2. In industrial applications fans are commonly used to supply ventilation or combustion air, to circulated air or other gases through equipment and to exhaust air or other vapours from equipment. positioning of industrial fan 1. 2 TWIN CITY FAN - CATALOG GA-200 Swingout Fans Swingout fans by Twin City Fan & Blower are the best choice when frequent cleaning, without removal of ductwork, is necessary. High Velocity Exhaust Fans exhaust contaminated air at the outlet at a higher outlet velocity. This increases the plume height of the fan without a tall stack. Install the exhaust fan in a window or wall farthest from the door. Single Speed Exhaust Fan Assembly Instructions 4 7.Use bolts H1 and washers H2 and vibration pad H3 to assemble motor/fan-guard to inner fan guard to louver-assembly. 4. 3. For proper exhaust operation, a window, door, or louver should be opened for fresh air intake on the opposite ventilated. This guide uses the term ‘‘airflow’’ to mean the flow of air or any other gaseous substance. Looking for the right Exhaust fan to throw out stale air? Types of Upblast Exhaust Fans Belt Drive Exhaust Fans These fans are driven by a belt-and-motor pulley, which controls the motor shaft. Get wholesale prices and fast shipping. Benefits of Model TFE Twin City Fan & Blower's Model TFE is ideally suited for applications such as high schools and elementary schools with intermittent use due to the available positive intake and exhaust side of fan. Annual maintenance services are also provided. 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