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True Round Fire Damper - Dynamic or Static 1-1/2 Hour
Static (Fans Off) 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.
FD-R
Key Features
Model FD-R is a True Round static fire damper.
- Installation in walls or masonry floors
- 1 ½ Hour Rating (less than 3 hours assemblies)
- Optional 3 Hour Rating (fire rating of 3 hours and longer)
- UL 555 File #R25410, ULC S112
- Optional Sleeve of Various Lengths and Gauges
- Optional electric actuators
Submittals