On-Line Catalog : UL Rated Fire, Smoke and Ceiling Radiation Dampers > Fire - Smoke Dampers > 3 Hr Rated > Airfoil Blade > FSD-351
Model FSD-351 3 hour • UL class 1 - combination fire smoke damper airfoil blade
Application
The FSD-351 combination fire smoke damper employs airfoil blades for point-of-origin control of fire and smoke in static and dynamic smoke management systems. The FSD-351 is qualified to 4,000 ft/min (20.3 m/s) and 6 in.wg. (1.5 kPa) and may be installed horizontally in floors or assemblies with fire resistance ratings up to 4 hours. It is qualified to 4 in. wg. (1.0 kPa) below 8" in height.
Documents
