Relief Dampers - BR-30 Series

The BR-30 series is a pivoted backdraft damper for low-velocity systems. These models are vertical mount dampers, designed to allow horizontal airflow and prevent reverse airflow. Dampers in this series include the BR-30 (no flange) along with BR-31 (flange on discharge) and BR-32 (flange on intake).

Back Pressure: 2 in. wg (.5 kPa)

Start-to-Open Pressure: 0.05 in. wg (.01 kPa)

Velocity: Up to 2000 fpm (10.2 m/s)

Temperature: Up to 180°F (82°C)