On-Line Catalog : UL Rated Fire, Smoke and Ceiling Radiation Dampers > Fire - Smoke Dampers > 1-1/2 Hr Rated > 3V Blade - Class 3 > FSD-143
Model FSD-143 1-½ hour UL class 3 - combination fire smoke damper triple-V blade
Application
The FSD-143 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-143 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.Documents
