Duct backdraught shutters
BDB
BDB
Size | Φd(mm) | H(mm) | t(mm) |
80 | 80 | 84 | 0.5 |
100 | 100 | 84 | 0.5 |
125 | 125 | 84 | 0.5 |
150 | 150 | 84 | 0.5 |
160 | 160 | 84 | 0.5 |
200 | 200 | 84 | 0.5 |
250 | 250 | 124 | 0.5 |
315 | 315 | 124 | 0.5 |