Pottorff: Combination Fire Smoke Damper, 3 hr, UL Class 3, Triple-V Blade

Category: Dampers for Air Ductwork

Manufacturer: Pottorff

Combination Fire Smoke Damper, 3 hr, UL Class 3, Triple-V Blade by Pottorff

Provided by

Model Number - FSD-343

Types/Specifications

Application	Air
Blade Gauge	16 ga
Blade Material	Galvanized Steel
Blade Size	6"
Blade Style	Triple V-Blade
CFM Leakage per SF	80 @ 4 in wg
Country	United States
Fire Resistance Rating	3 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
Maximum Size	36" x 48" (Single Section), 108" x 96" (Multiple Section), 36" x 48" (Stainless Steel)
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-343 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-343 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 with fire resistance ratings up to 4 hours.

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