Collar dampers are commonly used as a volume control device in supply, return and exhaust air systems.

Opposed blade dampers are mounted directly behind the supply, return or exhaust air diffuser and provide the ability to be manually adjusted through the face of the diffuser.

It is the extruded aluminum opposed blade volume control damper without powder coated finish. And we also have the extruded aluminum opposed blade volume control damper with powder coated finish.

Feature:

• Manufactured in high quality aluminum extrusion profiles.
• Designed with nylon bushes for efficient, smooth and quiet operation & to avoid rattling noise.
• Gang operated opposed blades.
• Opposed blade design to ensure proper regulation of air.
• Opening mechanism like screw, directly from the face of the diffuser.
• Controls air over entire diffusers.
• Standard Finish: Mill finish. Powder coated finish as option.