Greenheck Fan Combination Fire Smoke Dampers SSFSDR-511 دليل المستخدم

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SSFSDR-511
Combination Fire Smoke Dampers
Application
Round Stainless Steel Blade
Model SSFSDR-511 is a combination fire smoke damper constructed
UL 555S Leakage Class I
out of 304 stainless steel with round style blades. The SSFSDR-511
UL555 1 1/2 Hour Fire Resistance Rating
has been qualified to 3000 fpm (15.2 m/s) and 4 in. wg (1 kPa) for
operation and dynamic closure in emergency fire smoke situations.
Model SSFSDR-511 may be installed vertically (with blades running
Model SSFSDR-511

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Retaining plate CLEARANCE FOR EXPANSION DUCT OPTIONAL BLADE POSITION INDICATOR AND/OR ELECTRIC CONNECTION LINK. AREA Do not place retainer plate in this groove 1.5 IN. 1.50 IN. FUSIBLE LINK (standard) LOCATION AIRFLOW DUCT CONNECTION AREA 1.5 IN. Optional Second Retaining Plate ACTUATOR 3.375 IN. 5.375 in. 3.06 in. or 7.43 in.* 6 IN. MAX Wall 16.00 IN MAX SLEEVE LENGTH * 7.43 in. when OCI, RRL, RRL/OCI, TOP VIEW OF DAMPER TOR, or PRV is selected the damper. UL ratings sha