SPRING RETURN BUTTERLY BACKDRAFT DAMPER

SPRING RETURN BUTTERLY BACKDRAFT DAMPER

Our Price: $17.82

Weight: 40 lbs.

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Continental Fan Manufacturing Back Draft Dampers. Foam gasket prevents air leakage. Back Draft Damper blocks and controls draft. 4" thru 16" Duct sizes available.


Continental Fan Manufacturing Spring Retrurn Butterfly Backdraft Dampers are used with Continental Fan AXC and EXT series exhaust fans or in most common applications where a Backdraft Damper is needed to reduce the amount of airflow from the HVAC unit when not in use.
 
  • Simple installation -  Damper Inserts into Duct
  • 20 gauge steel housing 
  • Aluminim spring loaded butterfly damper blades
  • Exterior foam gaskets assure a tight seal against interior surface of duct
  • Damper seals against neoprene gasket in closed position for minimal leakage
  • Gasket designed for use in temperatures from -22° F to 180° F
  • Requires from 0.04 to 0.08 inches W.G. pressure to open

  • NOT RECOMMENDED for use in Clothes Dryer applications unless proper provisions are made for regular clean-out.
  • GRAVITY CLOSE models are for use on Vertical Duct applications only.

  
  MODEL  
DUCT SIZE
    CLOSE     
BDD 100 4" Spring
BDD 125 5" Spring
BDD 150 6" Spring
BDD 175 7" Gravity
BDD 200 8" Spring
BDD 250 10" Spring
BDD 300 12" Spring
BDD 355 14" Gravity
BDD 400 16" Gravity
 
Allow 3 Business Days Order Processing
by Continental Fan
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