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True round, combination fire/smoke damper, Class I
Combination Fire/Smoke dampers are low leak damper and actuator assemblies that have passed the UL555 and UL555S test requirements.
FS-RD-I
Key Features
Model FS-RD-I True Round Class I leakage Fire/Smoke Dampers is the ideal choice when round duct is used on a project.
- UL555 and UL555S File #R25410, ULC S112 and S112.1
- Factory Installed Momentary Test Switch (MTS)
- Rated to 2,000 fpm and 4" w.g.
- 1 ½ Hour Rating (less than 3 hours assemblies)
- With factory furnished actuator, provides fail-safe operation (the damper automatically goes to the desired fail-safe position when fire interrupts power)
IOM
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