BD-561 10” Round Counterbalanced Backdraft Damper

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Damper Depth10" Min.
DescriptionCounterbalanced Backdraft, Single Thickness (Vertical or Horizontal Mount)
Max Face Velocity3000 FPM
Max Pressure5 in. wg
Max Temperature300 F
Min Size6" Dia.
Max Size48" Dia.
Frame Material10 Ga. Mild Steel
Blade Material12 Ga. Mild Steel thru 10 Ga. Mild Steel
Axles1/2" Dia. Mild Steel thru 1" Dia. Mild Steel, Full Length
BearingsPress Fit Flanged Ball Bearings
Stops1/2" Dia. Steel Pin
Finish(1) Coat of Primer
ActuatorCounterbalanced For Ease Of Operation
SealsNone Is Standard (upon request, see seal options)


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