Volume Control & Relief Dampers

Balancing Damper

The Holyoake HBD-155 is a control damper designed for airflow balancing. The HBD-155 frame has been designed to align with 35mm proprietary duct flange systems for ease of installation.

  • Capable of handling a maximum differential pressure of 1000Pa with a width of 1200mm.
  • Balancing achieved by either manual positioning, or by motorised control.
  • Available in either opposed or parallel blade rotation.
Revit Files