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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-OW-I

Out of wall, combination fire/smoke damper, Airfoil blade, Class I
Out of wall, combination fire/smoke damper, Airfoil blade, Class I

Product Overview

Model: F/S-AF-OW-I Air Foil blade ultra-low leakage UL/ULC qualified for mounting outside of the plane of the wall for either Grille Access (GA) or when the damper cannot be installed within the plane of the Wall/Floor “OW” installation.

  • 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)
Product Information
More Combination Fire/Smoke Dampers