Backdraft Dampers

BDA, BDG, and BDS series backdraft dampers – Licensed by Mestek


BDA, BDG, and BDS series backdraft dampers regulate airflow in one direction without an actuator. Conserve power on one-way flow applications in your commercial HVAC system.

The Honeywell Trademark is used under license from Honeywell International Inc. Honeywell International Inc. makes no representations or warranties with respect to the products. These products are manufactured by the Mestek Commercial Damper and Louver Group (MCDLG). In the interest of product development, MCDLG reserves the right to make changes without notice.

Features & Benefits:
  • Tested in accordance with AMCA 500-D for Air Performance and Air Leakage
  • Available with extruded aluminum, galvanized steel, stainless steel, and formed steel construction (construction varies based on model)
  • Single blade, single thickness and airfoil blade designs for maximizing system performance
  • Up to 3,000 FPM air velocity
  • Up to 10 in. w.g. static pressure
  • Counterweights available for assisting and resisting blade rotation
  • BDA, BDG, and BDS backdraft dampers are designed for one-way airflow applications, including intake control, exhaust, and pressure relief.ns, including intake control, exhaust, and pressure relief.
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