Manufacturer: American Warming and Ventilating

PR-56 3-½” Pressure Relief Damper
Pressure Relief, Single Thickness (Vertical or Horizontal Mount)

Damper Depth3-1/2"

DescriptionPressure Relief, Single Thickness (Vertical or Horizontal Mount)

Max Face Velocity3000 FPM

Max Pressure2 in. wg

Max Temperature250 F

Min Size6" x 6"

Max Size48" x 96"

Frame Material16 Ga. Galvanized Steel

Blade Material16 Ga. Galvanized Steel, 10" Max Width

Axles1/2" Dia. Plated Steel, Stub

BearingsPress Fit Flanged Ball Bearings

LinkagePlated Steel Brackets, Brass Barrels and Plated Steel Rod

StopsGalvanized Steel


ActuatorCounterbalance and Pressure Set Weights

SealsNone Is Standard (upon request, see seal options)