Manufacturer: American Warming and Ventilating

VC-561 8” Round Flange Volume Control Damper.
Volume Control, Single Thickness.

Damper Depth8" Min.

DescriptionVolume Control, Single Thickness

Max Face Velocity3900 FPM

Max Pressure5 in. wg

Max Temperature250 F

Min Size3" Dia.

Max Size60" Dia.

Frame Material10 Ga. Mild Steel

Blade Material10 Ga. Mild Steel thru 3/16" thk. Mild Steel

Axles1/2" Dia. Mild Steel thru 1" Dia. Mild Steel, Full Length

BearingsOil Impregnated Bronze w/ Stainless Steel Thrustwashers


Stops1/2" Dia. Steel Pin

Finish(1) Coat of Primer

ActuatorManual Lever Arm Is Standard (upon request, see actuator options)

SealsNone Is Standard (upon request, see seal options)