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BS55 - Extruded Aluminum Backdraft Damper

Product Name: BS55

Extruded Aluminum Backdraft Damper

BS55 - Extruded Aluminum Backdraft Damper

Designed for strength and minimum leakage; this is a medium duty extruded aluminum backdraft damper

Quick Specs:

  • Minimum Panel Size: 8" x 8"
  • Maximum Panel Size: 48" x 72"
  • Frame Depth: 4"
  • Frame Material: 0.081" Thick Extruded Aluminum Alloy
  • Frame Type: Channel
  • Blade Type: Overlapping Edges for Strength and Low Leakage
  • Blade Material: .081" Thick Extruded Aluminum Alloy
  • Blade Action: Parallel
  • Blade Seals: Silicone Rubber Off-Set Leg
  • Shaft: ½" Diameter Extruded Aluminum Pin Lock Design
  • Jamb Seals: None
  • Bearings: Celcon
  • Linkage: Face Mounted (In Airstream)
  • Temperature Limits: -40°F to 190°F
  • Finish: Mill

*Dampers smaller than minimum frame size require transitions

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