Dynamic (Fans On) Fire dampers are UL555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems, designed to close upon the detection of heat.

FDD-SAVG

Curtain Fire Damper - 1-1/2 & 3 Hour - Vertical Dynamic - Sleeved - Behind Grille

Application

UL classified for installation in walls, and partitions with a fire rating of less than 3 hours. This damper may be installed vertically or horizontally in dynamic HVAC systems that automatically shuts down in the event of fire. Also approved for static systems. (See optional 3 hr. rating)

Product Information