DAMPER SELECTOR

BD-40

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Specifications:

 
Damper Depth3-1/2"
DescriptionCounterbalanced Backdraft, Single Thickness (Vertical or Horizontal Mount)
Max Face Velocity3000 FPM
Max Pressure.5 in. wg
Max Temperature250 F
Min Size6" x 6"
Max Size48" x 72"
Frame Material16 Ga. Galvanized Steel
Blade Material16 Ga. Aluminum, 10-3/8" Max Width
Axles1/2" Dia. Plated Steel, Stub
BearingsPress Fit Flanged Ball Bearings
LinkagePlated Steel Brackets, Brass Barrels and Plated Steel Rod (BD-41 Only)
StopsGalvanized Steel
FinishMill
ActuatorCounterbalanced For Ease Of Operation
SealsNone Is Standard (upon request, see seal options)

 

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