BD-563 10” Round Counterbalanced Backdraft Damper

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Damper Depth10" Min.
DescriptionCounterbalanced Backdraft, Single Thickness (Vertical or Horizontal Mount)
Max Face Velocity4000 FPM
Max Pressure13.5 in. wg
Max Temperature300 F
Min Size12" Dia.
Max Size72" Dia.
Frame Material10 Ga. Mild Steel thru 3/16" thk. Mild Steel
Blade Material10 Ga. Mild Steel thru 1/4" thk. Mild Steel
Axles3/4" Dia. Mild Steel thru 2" Dia. Mild Steel, Full Length
BearingsRelubricable 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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