POLYAIRE Opposed Blade Damper (OBD)
Opposed Blade Damper (OBD)
Polyaire Model OBD Opposed Blade 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 grille and provide the ability to be manually adjusted through the face of the Diffuser, Grille or Register.
Construction is from either Aluminium or Steel with a matt black finish Model OBD Opposed Blade Dampers are available in stock sizes and can also be manufactured to order in a wide range of sizes.