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Galvanized Steel Round Backdraft Damper
Manufactured from 16-gauge galvanized steel. Designed for tight closure with a ¼" neoprene seal on frame.

Quick Specs - Non-UL Dampers

Specifier Name(s)388
Product TypesBackdraft Dampers, Round Dampers, and Non-UL Dampers
Material OptionsGalvanized Steel
Temperature Rating (°F)-35 °F to 180 °F
Blade TypeSingle Thickness Blade
Blade ActionSingle
Blade Depth

Variable Blade Depth

Frame Construction7.5" Deep
Panel Maximum Size(s)Diameter: 36"
Pressure Drop.05 in. w.g. @ 1000 fpm
Max Static Pressure1 .in w.g. @ 1000 fpm
Maximum Velocity (FPM)3000 fpm

Detailed Specs

*For additional options/configurations see spec sheet or contact the factory.
*This info listed here is For Reference ONLY, Please Refer to the Submittal For Full Product Data

Product Submittal

Product Submittal
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