4 In.dia Galvanized Steel Fire Damper, Damper Application Fire, For Nominal Duct Diameter 4 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height Not Applicable, Rough Opening Diameter 4 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area 0.1 sq ft, Overall Width Not Applicable, Frame Material Thickness 20 ga, Overall Length 14 in, Connection Type Not Applicable, Frame Depth 14 in This fire damper is designed for use in duct systems or penetrations of fire-rated barriers that have been designed to have pressurized airflow when the damper is expected to cycle closed during a fire. It can accommodate airflow in either direction.
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HORIZONTAL FIRE DAMPER 14" ROUND 1.5 HR STATIC FD-RHC.
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6 In.dia Galvanized Steel Fire Damper, Damper Application Fire, For Nominal Duct Diameter 6 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height Not Applicable, Rough Opening Diameter 6 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area 0.2 sq ft, Overall Width Not Applicable, Frame Material Thickness 20 ga, Overall Length 14 in, Connection Type Not Applicable, Frame Depth 14 in This fire damper is designed for use in duct systems or penetrations of fire-rated barriers that have been designed to have pressurized airflow when the damper is expected to cycle closed during a fire. It can accommodate airflow in either direction.
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14 In.dia Galvanized Steel Fire Damper, Damper Application Fire, For Nominal Duct Diameter 14 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height Not Applicable, Rough Opening Diameter 14 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area 0.9 sq ft, Overall Width Not Applicable, Frame Material Thickness 20 ga, Overall Length 14 in, Connection Type Not Applicable, Frame Depth 14 in This fire damper is designed for use in duct systems or penetrations of fire-rated barriers that have been designed to have pressurized airflow when the damper is expected to cycle closed during a fire. It can accommodate airflow in either direction.
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Ruskin FDR25 Rated Round Fire Damper 1-1/2 Hour 165 Degrees 6 inch diameter and 14" tall
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14 In.dia Galvanized Steel Fire Damper, Damper Application Fire, For Nominal Duct Diameter 14 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height Not Applicable, Rough Opening Diameter 14 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Free Area 0.9 sq ft, Overall Width Not Applicable, Frame Material Thickness 20 ga, Overall Length 14 in, Connection Type Not Applicable, Frame Depth 14 in.
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Round Fire/Smoke Damper,GalvSt 5.9 In. dia, For Nominal Duct Diameter 6 in, Damper Application Fire and Smoke, Number of Panels 1, Overall Height 5 7/8 in, Overall Length 16 in, Rough Opening Shape Round, For Duct Shape Round, Overall Width 15 5/8 in, Frame Material Thickness 20 ga, Blade Material Galvanized Steel, Maximum Air Pressure 4 in wg, Overall Diameter 5 7/8 in, Rough Opening Width 6 in, Damper Type Dynamic, Maximum Air Velocity 3000 fpm, Nameplate Voltage 120V AC This motorized damper is designed for use in HVAC system applications where emergency fire and smoke control is required. It includes a 165 Degrees F fusible link and a factory-installed actuator. Upon temperature elevation, the dynamic damper closes automatically to prevent the spread of fire and smoke.
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