Volume Control & Relief Dampers

Airfoil Control Damper

The Holyoake HCD-150 is a precisely made volume and pressure control device, with extremely low leakage when closed.

  • Extremely low leakage.
  • Low resistance when open.
  • Available in either opposed or parallel blade rotation configurations.
  • Available for smoke applications coded as HCD-150-ET.
Revit Files