Arrow Logo

389

Aluminum Round Backdraft Damper
A true round backdraft damper designed to tightly close when the blade contacts the ¼" neoprene damper frame seal. Operates with assist or reset counterbalance.

Quick Specs - Non-UL Dampers

Name389
Specifier Name(s)389
AvaliabilityAvailable
Product TypesBackdraft Dampers, Round Dampers, and Non-UL Dampers
Material OptionsAluminum
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
View / Download

Options & Product Literature

Quick Links

Other 389 Literature

Are you looking for a

Sales Representative?

Find your local sales office right now!