Industrial Round Backdraft Damper


Industrial Round Backdraft Damper Standard Materials and Construction

  • FRAME: Fabricated steel channel.
  • BLADE: Single thickness with reinforcing gussets welded to blade parallel to air flow as required.
  • SHAFT: Plated steel continuous length welded to blade.
  • BEARINGS: Sintered stainless steel flanged sleeve, pressed into the frame.
  • STOP: Angle stops to prevent over-rotation of blade.
  • OPERATOR: Extended shaft 6” long beyond frame flanges with counterbalance to assist or resist airflow.
  • FINISH: Mill / Galvanized / Zinc rich touch up.
  • TEMP. LIMIT: 200°F Consult the factory for temperature limits over 200°F