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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-3V-CR-I

Combination fire/smoke damper, Corridor install, 3V blade, Class I
Combination fire/smoke damper, Corridor install, 3V blade, Class I

Application

Model F/S-3V-CR-I V-groove blade ultra low leakage Tunnel Corridor Dampers bear the Underwriters’ Laboratories label for “Corridor Damper” and have a minimum 1 hour fire rating and a minimum Class I leakage rating with a maximum leakage not exceed 8 cfm per sq. ft. at 4.0 inches static pressure
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