Greenheck Fan - SEFSD-211

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Contents

GREENHECK Model SEFSD 211 Application Combination Model SEFSD 211 is a severe environment 316SS combination fire smoke damper with 3V style blades The SEFSD 211 has been qualified to 2000 fpm 10 2 m s and 4 in wg 1 0 kPa for operation and dynamic closure in emergency fire smoke situations Model SEFSD 211 may be installed vertically with blades running horizontal or horizontally and is rated for airflow and leakage in either direction FIRE SMOKE DAMPERS 316 Stainless Steel 3V Blades UL 555S Leakage Class I UL555 IV 2 Hour Fire Resistance Rating Ratings UL 555 Fire Resistance Rating Fire Rating Dynamic Closure Rating Maximum Velocity Maximum Pressure UL 555S Leakage Rating Leakage Class Operational Rating Maximum Velocity Maximum ...