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-AF-I
Combination fire/smoke damper, Airfoil blade, Class I
![Combination fire/smoke damper, Airfoil blade, Class I](https://unitedenertech.com/images/product-photos/_productThumb/FS-AF-I.png)
Product Overview
Model F/S-AF-I Air Foil ultra 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 I with leakage not to exceed 8 cfm per sq ft. at 4.0" static pressure.
- Airfoil Blades
- UL555(S) 1 ½ Hr. Class I
- Single Side Angle - 108"x96"
- Factory Installed Test Switch