Assessments - 4, GPA: 3.8
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wg (1 kPa) for operation and dynamic closure in emergency fire smoke situations. Model SSFSDR-511 may be installed vertically (with blades running horizontal) or horizontally and is rated for airflow and leakage in either direction. 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 Pressure: Maximum Temperature: 1 1/2 Hour Actual ratings are size dependant 3000 fpm (15.2 m/s) 4 in. wg (1 kPa) I Actual ratings are actuator dependant 3000 fpm (15.2 m/s) 4 in. wg (1 kPa) 350. F (177°C) —Depending on actuator Standard Construction Frame/Sleeve: Blades: Seals: Linkage: Axles: Bearings: Fusible Link: Size Limitations Minimum Size: Maximum Size: Optional Features 20 ga. (1mm) 304 stainless steel integral sleeve Double skin 304 stainless steel (14 ga. [2mm] equivalent) round style blades Extruded silicone rubber blade seals 304 stainless steel - concealed in jamb 1/2 in. (13mm) dia. 304 stainless steel 304 stainless steel sleeve type UL listed 165.F (74.C) -not 304SS 6 in. (152mm) diameter 24 in. (610mm) diameter • OCI (Open closed indication switches) -not 304SS • 165. F (74°C), 212. F (100°C), and 350. F (177°C) RRL available -not 304SS. • TOR (remote override of 165. F (74°C) closure allows damper to perform smoke management functions during a fire emergency) -not 304SS. • Electric or pneumatic actuators to accomplish smoke management and system functions. • One retainer plate required, additional retainer plate available. • 14 ga. (2mm) or 16 ga. (1.5mm) sleeve available Combination Fire Smoke Dampers Round Stainless Steel Blade UL 555S Leakage Class I UL555 1 1/2 Hour Fire Resistance Rating * Dimensions furnished approximately 1/8 in. (3mm) undersize. D* Model SSFSDR-511 meets the requirements for fire dampers, smoke dampers and combination fire smoke dampers established by: National Fire Protection Association NFPA Standards 80, 90A, 92A, 92B, 101 & 105 IBC International Building Codes New York City (MEA listing #260-91-M) SBCCI Standard Building Codes California State Fire Marshall Listing #: 3225-0981:112 (fire) Listing #: 3230-0981:113 (smoke) “UL CLASSIFIED (see complete marking on product)” “UL CLASSIFIED to Canadian safety standards (see complete marking on product)” Standard 555 (Listing #R13317) Standard 555S (Listing #R13447) Installation instructions available at Opening + 2 in. Min. Nut Clamping Minimum Wall/Floor Opening Retaining Screw = Nominal Dia. + 7/8 in. Plate Assembly 1.00 in. Min. Typ. Clamping Screw Fasteners 3.375 IN. FUSIBLE LINK (standard) LOCATION CLEARANCE FOR EXPANSION TOP VIEW OF DAMPER 6 IN. MAX SLEEVE LENGTH Wall DUCT CONNECTION AREA AIRFLOW 1.5 IN. ACTUATOR 16.00 IN MAX OPTIONAL BLADE POSITION INDICATOR AND/OR ELECTRIC LINK. 1.5 IN. 1.50 IN. Optional Second Retaining Plate Do not place retainer plate in this groove 5.375 in. 3.06 in. or 7.43 in.* * 7.43 in. when OCI, RRL, RRL/OCI, TOR, or PRV is selected Retaining plate 3.375 IN. FUSIBLE LINK (standard) LOCATION CLEARANCE FOR EXPANSION TOP VIEW OF DAMPER 6 IN. MAX SLEEVE LENGTH Wall DUCT CONNECTION AREA AIRFLOW 1.5 IN. ACTUATOR 16.00 IN MAX OPTIONAL BLADE POSITION INDICATOR AND/OR ELECTRIC LINK. 1.5 IN. 1.50 IN. Optional Second Retaining Plate Do not place retainer plate in this groove 5.375 in. 3.06 in. or 7.43 in.* * 7.43 in. when OCI, RRL, RRL/OCI, TOR, or PRV is selected Retaining plate Specificatons True Round Combination Fire Smoke Dampers meeting the following specifications shall be furnished and installed where shown on plans and/or as described in schedules. Dampers shall meet the requirements of the latest edition of NFPA 80, 90A, 92A, 92B, 101, & 105. Damper shall be constructed of 20 ga. (1mm) 304 stainless steel frame/sleeve; blades constructed of double skin 304 stainless steel round style blade; silicone rubber blade seal; stainless steel linkage; . in. stainless steel axle; stainless steel bearings. Damper is provided with one retainer plate. Dampers shall be tested, rated and labeled in accordance with the latest edition of UL standards 555 and 555S. Dampers shall have a UL555 fire rating of 1. hours. Each damper shall be equipped with a heat responsive device, which has been tested and approved for use with the damper assembly in accordance with UL555. The heat responsive device shall have a temperature rating of (specifier select one or the following) 165°F (74°C), 212°F (100°C), 286°F (141°C), or 350°F (177°C). Dampers shall be UL labeled for use in dynamic systems. The damper shall have a dynamic closure airflow rating equal to or greater than the airflow at the dampers installed location and a dynamic closure pressure rating of 4 in. wg (1kPa). All UL555 and UL555S dynamic closure and leakage ratings shall be qualified for airflow and pressure in either direction through DUCT CONNECTION AREA the damper. UL ratings shall allow for mounting dampe...