Model BD-20R backdraft damper round butterfly style blade

Application

BD-20R backdraft dampers employ 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.

Documents

Product Sheets

BD-20R

CSI Specifications

BD-20
BD-20R

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