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Pottorff > Backdraft Dampers > Backdraft Dampers > Low to Medium Velocity > BD-20R

Model BD-20R

backdraft damper
round butterfly style blade

BD-20R backdraft dampers employs gravity operated butterfly style blades to restrict reverse airflow and to permit the forward flow of air in the intended direction. The BD-20R damper may be mounted vertically or horizontally in either exhaust or intake installations for low velocity and pressure applications.

BD-20R round butterfly style blade
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