Greenheck Fan - OFSD-211

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Contents

Model OFSD 211 13 GREENHECK Out Of Wall Combination FIRE SMOKE DAMPERS APPLICATION Model OFSD 211 is approved for use in walls partitions and floors with fire resistance ratings less than 3 hours OFSD 211 is an out of the wall high performance combination fire smoke damper with 3V style blades Removal of wall grille allows access to actuator and other components This model s operational ratings of 2000 fpm 10 2 m s and pressures to 4 in wg 1 kPa Model OFSD 211 shall be installed vertically with blades running horizontal or horizontally and is rated for airflow and leakage in either direction Ratings UL555 Fire Resistance Rating Fire Rating Dynamic Closure Rating Max Velocity Max Pressure UL555S Leakage Rating Leakage Class ...