BDE
Manufacturer: American Warming and Ventilating
BDE 3” Commercial Rectangular Backdraft Damper.
All Extruded Gravity Operated Backdraft, Single Thickness (Vertical or Horizontal Mount).
Damper Depth3"
DescriptionAll Extruded Gravity Operated Backdraft, Single Thickness (Vertical or Horizontal Mount)
Max Face Velocity2800 FPM
Max Pressure6 in. wg
Max Temperature200 F
Min Size5" x 5"
Max Size36" x 72"
Frame Material.063 6063-T5 Extruded Aluminum (Flanged or Drop-In)
Blade Material.063 6063-T5 Extruded Aluminum
Axles3/16" Dia. Aluminum, Stub
BearingsHeavy Duty Molded Nylon
Linkage6063-T5 Extruded Aluminum
StopsAluminum Angle
FinishMill
ActuatorGravity Operated Is Standard (Optional Manual or Electric)
SealsPolyurethane Sponge On The Sill and Felt Between Adjacent Blades