91国产偷拍

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
  • Start-to-Open Pressure: 0.05 in. wg
  • Velocity: Up to 2000 fpm
  • Temperature: Up to 180掳F
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