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WDR-53

The WDR-53 round backdraft damper is designed to mount horizontally for airflow down or up; or vertical for horizontal airflow. This damper is opened by air pressure differential and closed by springs.

  • Galvanized steel frame
  • Aluminum blade
  • Pressure: Up to 3 in. wg (0.7 kPa)
  • Velocity: Up to 2000 fpm (10.2 m/s)
  • Temperature: Up to 180°F (82°C)
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