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Round Smoke Damper 3000 fpm 120V
Round 11.9 in dia GStl Mtrzd Smoke Damper For Nominal Duct Diameter 12 in Damper Application Smoke Number of Panels 1 Overall Height 11 7/8 in Overall Length 8 1/8 in Rough Opening Shape Round For Duct Shape Round Overall Width 8 1/4 in Frame Material Thickness 20 ga Blade Material Galvanized Steel Maximum Air Pressure 4 in wg Overall Diameter 11 7/8 in Rough Opening Width 12 in Damper Type Dynamic Maximum Air Velocity 3000 fpm Nameplate Voltage 120V AC
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Round 11.9 in dia GStl Mtrzd Smoke Damper For Nominal Duct Diameter 12 in Damper Application Smoke Number of Panels 1 Overall Height 11 7/8 in Overall Length 8 1/8 in Rough Opening Shape Round For Duct Shape Round Overall Width 8 1/4 in Frame Material Thickness 20 ga Blade Material Galvanized Steel Maximum Air Pressure 4 in wg Overall Diameter 11 7/8 in Rough Opening Width 12 in Damper Type Dynamic Maximum Air Velocity 3000 fpm Nameplate Voltage 120V AC