Life Safety Fire/Smoke Dampers
Combination fire/smoke dampers combine the fire barrier protection of a fire damper and smoke control of a smoke damper. Pottorff tests all of our combination fire/smoke dampers to UL’s stringent requirements for fire resistance and leakage control.
FSD-125R – Round Single-Blade
FSD-151 – Airfoil Blade
The FSD-151 Combination Fire/Smoke damper features point-of-origin control of fire and smoke in static and dynamic smoke management systems. n Maximum Dynamic Closure Velocity: 4,000 fpm n Maximum Rated Pressure: 8 in. wg. n AMCA Certified for Air Performance n UL Class 1 Leakage n 24V Modulating Actuator Option
The FSD-125R comes standard with mounting plates for interface to round or square openings in masonry, metal stud, or wood stud assemblies. Ideal for all round duct applications. n Maximum Dynamic Closure Velocity: 3,000 fpm n Maximum Rated Pressure: 4 in. wg.
FSD-172 – Tunnel Type
The FSD-172 may be installed in horizontal openings of metal stud or wood stud tunnel-type corridor ceilings. n Maximum Dynamic Closure Velocity: 2,000 fpm n Maximum Rated Pressure: 4 in. wg. n UL Class 2 Leakage
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