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 low leakage combination fire and smoke damper bear the Underwriters Laboratories labels for both Fire Dampers and Smoke Dampers. UL 555S / ULC S112.1 ratings shall be Class 2 with leakage not to exceed 20 cfm per sq ft. at 4.0" static pressure.
- UL555(S) 1 ½ Hr. Class II
- Single Side Angle - 108"x96"
- Factory Installed Test Switch
