BD-300 Series
The BD-300 series backdraft dampers mount vertically to allow horizontal airflow and prevent reverse airflow. Dampers in this series: BD-300 with a flange on intake, BD-320 with a flange on discharge and BD-330, which does not have a flanged frame. All dampers in this series open by air pressure differential and close by gravity.
- Pressure: Up to 2 in. wg
- Velocity: Up to 1500 fpm
- Temperature: Up to 180掳F
- Accessory to wall fans and centrifugal inline fans
Certifications:
AMCA Air Leakage and Air Performance
Configure to Order
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ASHRAE 90.1
IECC (International Energy Conservation Code)
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BD-300 Series
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