BDA

Back draft damper for airflow control in ventilation systems


HIGHLIGHTS

  • Mounting Location: Designed for installation between ducts
  • Installation Method: Damper slides in between two ducts for easy setup
  • Orientation Flexibility: Operates in both horizontal and vertical positions
  • Backdraft Prevention: Prevents backdraft when fan stops; suitable for temperatures up to +50ºC
  • Automatic Operation: Aluminum blades open under pressure and close when pressure drops
  • Sealed Mechanism: Mechanical spring sealed with neoprene gasket for smooth blade movement
  • Case Quantities: BDA 4" = 100, BDA 5" = 64, BDA 6" = 36, BDA 8" = 16, BDA 10" = 12, BDA 12" = 9

Specifications

  • Size
    BDA 4", BDA 5", BDA 6", BDA 8", BDA 10", BDA 12"

PRODUCT SHEETS

Spec Sheet

Instruction Manual