BDA

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