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-3V-II
Combination fire/smoke damper, 3V blade, Class II
Product Overview
Model F/S-3V-II V-groove blade leakage class II combination fire and smoke damper bear the Underwriters Laboratories labels for both Fire Dampers and Smoke Dampers.
- 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)
- Optional 3 Hour Rating (fire rating of 3 hours and longer)
- With factory furnished actuator, provides fail-safe operation (the damper automatically goes to the desired fail-safe position when fire interrupts power)
- Factory installed sleeves of Various Lengths and Gauges
