opposed blade damper

Hvac Square Aluminum Air Grilles Duct Ventilation Louver Opposed Blade Damper Manufacturer OBD1

Air balancing handler opposed blade damper provides airflow adjustment at the grille. The blades move simultaneously in opposite directions to provide superior metering and control with minimal disturbance of the air pattern.

Product Specification:
  • Material : Extruded aluminum alloy
  • Size : Any size
  • Surface finish : Polished.
  • Thickness : 0.8mm, 1.0mm optional
  • Construction : V blade, gear joint, plastic handle opening.
  • Function : Adjust the air volume
Product Details

butterfly valve opposed blade damper(hvac


  • Material: high quality of aluminum profile.
  • Surface Finish: mill finished.
  • Structure:  V blades,Gear joint, plastic handle opening.
  • Size: any size available to match air diffuser/grille
  • Thickness: 0.8mm, 1.0mm for optional
  • Ordering example: OBD1-0.8-300x300mm

opposed blade volume control damper

Technical Support: Magic Lamp