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.
| Item # | Nominal Neck Size | |
|---|---|---|
| 545345 | 150×150 / 6×6 | |
| 545646 | 200×100 / 8×4 | |
| 545645 | 200×150 / 8×6 | |
| 545346 | 200×200 / 8×8 | |
| 545644 | 250×150 / 10×6 | |
| 545347 | 250×250 / 10×10 | |
| 545351 | 300×300 / 12×12 | |
| 545353 | 350×350 / 14×1 | |
| 545648 | 450×450 / 18×18 |
