VC-421
Manufacturer: American Warming and Ventilating
VC-421 8” Rectangular Flange Volume Control Damper.
Volume Control, Airfoil, Parallel or Opposed.
Damper Depth8"
DescriptionVolume Control, Airfoil, Parallel or Opposed
Max Face Velocity3500 FPM
Max Pressure15 in. wg
Max Temperature250 F
Min Size6" x 8"
Max Size48" x 96"
Frame Material14 Ga. Galvanized Steel thru 12 Ga. Galvanized Steel
Blade Material16 Ga. Galvanized Steel, Airfoil Shape, 8" Max Width
Axles1/2" Dia. Plated Steel, Full Length
BearingsOil Impregnated Bronze Plated Steel Arms, Stainless Steel Pivots and Galvanized Steel Angle, External Type
LinkageGalvanized Steel
StopsMill
Finish4" Extended Shaft Is Standard (upon request, see actuator options)
ActuatorNone Is Standard (upon request, see seal options)
Seals