3V Blade Combination Fire & Smoke Dampers
Series: FSD-3V
The FSD-3V series are UL, ULC and California State Fire Marshal listed as both a UL555 fire and UL555S smoke damper. Available in both 1-1/2 and 3 hour fire ratings, the FSD-3V series is available with UL555S Class I or Class II leakage ratings and a variety of electric and pneumatic actuators
Airfoil Blade Combination Fire & Smoke Dampers
Series: FSD-AF
The FSD-AF series features the superior pressure drop performance of an airfoil blade design. These dampers are UL, ULC and California State Fire Marshal listed as both a UL555 fire and UL555S smoke damper. Available in both 1-1/2 and 3 hour fire ratings, the FSD-AF series is available with UL555S Class I or Class II leakage ratings and a variety of electric and pneumatic actuators
True Round Combination Fire & Smoke Dampers
Series: FSD-RD
The FSD-RD series are UL, ULC and California State Fire Marshal listed as both a UL555 fire and UL555S smoke damper. This True Round damper is available in a 1-1/2 hour fire rating, and with UL555S Class I or Class II leakage ratings and a wide variety of electric and pneumatic actuators
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