Combination Fire/Smoke Dampers
Combination Fire/Smoke dampers are low leak damper and actuator assemblies that have passed the UL555 and UL555S test requirements.
F/S-RD-II
True round, combination fire/smoke damper, Class II
Product Overview
Model F/S-RD-II True Round Class II 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)
