On-Line Catalog : UL Rated Fire, Smoke and Ceiling Radiation Dampers > Fire - Smoke Dampers > 1-1/2 Hr Rated > 3V Blade - Class 1 > FSD-141-OP
Model FSD-141-OP 1-½ hour • UL class 1 - combination fire smoke damper actuator in the airstream - out-of-partition
Application
The FSD-141-OP combination fire smoke damper employs triple-V blades for point-of-origin control of fire and smoke in static and dynamic smoke management systems. These specialty dampers are approved for installation with the closed plane of the blades up to 14-1/2" (368) outside the fire rated partition and come standard with the actuator in the airstream allowing for direct service access from the face of the damper through the HVAC grille.
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