Opposed Blade Dampers
Model OBDOBD
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 aluminium with a matt black finish.
Model OBD are available in stock sizes and can also be manufactured to order in a wide range of sizes.
Stock Sizes Available:
| Item # | Size mm (W x H) |
| 248006/1E | OBD 100 x 100mm \ Opposed Blade Damper |
| 248006 | OBD 150 x 150mm \ Opposed Blade Damper |
| 248006E | OBD 200 x 200mm \ Opposed Blade Damper |
| 248007 | OBD 225 x 225mm \ Opposed Blade Damper |
| 248007E | OBD 250 x 250mm \ Opposed Blade Damper |
| 248008 | OBD 300 x 300mm \ Opposed Blade Damper |
| 248009E | OBD 350 x 350mm \ Opposed Blade Damper |
| 248009 | OBD 375 x 375mm \ Opposed Blade Damper |
| 248010E | OBD 400 x 400mm \ Opposed Blade Damper |
| 248010 | OBD 450 x 450mm \ Opposed Blade Damper |
| 248011E | OBD 500 x 500mm \ Opposed Blade Damper |
| 248012 | OBD 600 x 600mm \ Opposed Blade Damper |
| 248012E | OBD 547 x 547mm (to fit fixed core 595sq Egg Crate) \ Opposed Blade Damper |
| 248012E-DE | OBD 547 x 547 (to fit fixed core 595sq Egg Crate) \ Double Bank OBD |