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Pottorff: Combination Fire Smoke Damper, 1-1/2 hr, UL Class 1, Tunnel-Type Corridor Ceiling

Combination Fire Smoke Damper, 1-1/2 hr, UL Class 1, Tunnel-Type Corridor Ceiling by Pottorff
Model Number - FSD-171
Types/Specifications
  • 1
Application Air
Blade Gauge 16 ga
Blade Material Galvanized Steel
Blade Size 6"
Blade Style Triple V-Blade
CFM Leakage per SF 8 @ 4 in wg
Country United States
Fire Resistance Rating 2 hr
Frame Material Galvanized Steel Hat Channel
Frame Size 5" x 1"
Industry Standards UL 555 and 555S Listing: R11767, CSFM Listing: 3225-0368:110 and 3230-0368:111, New York City MEA Listing: 295-98-E, Meets NFPA Standards: 90A, 92A, 92B and 101, Meets Building Code Standards: IBC, NBC, NFPA, SBC and UBC
Installation Vertical, Horizontal
Maximum Size 24" x 24"
Minimum Size 6" x 6"
Region North America
Seals Silicone Blade Edge Seals, Flexible Metal Jamb Seals
System Pressure Maximum 4 in wg
System Velocity Maximum 2000 ft/min
Temperature Maximum 350 deg F
Description
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The FSD-171 combination fire smoke damper employs triple-V blades for point-of-origin control of fire and smoke in static and dynamic smoke management systems. The FSD-171 is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours. The FSD-171 may also be installed in horizontal openings of metal stud or wood stud tunnel-type corridor ceilings.
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    • 3D Model of Damper, UL555 Fire Smoke FSD 171
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