Greenheck Fan - FSD-331

Below are all the different types of Greenheck Fan. Select the device of your choice, to download the manual

Contents

Model FSD 331 3 GREENHECK APPLICATION Model FSD 331 is a high performance combination fire smoke damper with extremely low leakage High strength airfoil blades ensure the lowest resistance to airflow in HVAC systems with velocities to 2000 fpm 10 2 m s and pressures to 4 in wg 1 kPa Model FSD 331 may be installed vertically with blades running horizontal and is rated for airflow and leakage in either direction RATINGS UL 555 Fire Resistance Rating Fire Rating 3 hours Dynamic Closure Rating Actual ratings are size dependent Max Velocity up to 2000 fpm 10 2 m s Max Pressure 4 in wg 1 kPa UL555S Leakage Rating Leakage Class Operational Rating Max Velocity Max Pressure Maximum Temperature Combination Fire Smoke Dampe ...