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BD-100

The BD-100 backdraft damper mounts horizontally to allow vertical airflow up and prevent reverse airflow down. The dampers are open by air pressure differential and closed by gravity.

  • Pressure: Up to 2 in. wg
  • Velocity: Up to 1500 fpm
  • Temperature: Up to 180°F
  • Accessory to power roof ventilators and centrifugal roof exhaust fans

Certifications:

AMCA Air Leakage and Air Performance

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Codes:

ASHRAE 90.1

IECC (International Energy Conservation Code)