SORDO-C, Size 125-500
SORDO-C, Size 500-1200
SORDO-C
Sound attenuators for circular ducts
- 100 mm mineral wool
- Galvanised sheet steel to Environmental Class C3
- Fibre-migration proof with FarTex®
- 100 mm shorter
- Air tightness class D
- Excellent noise attenuation
- Low pressure drop
- Included in the MagiCAD database
- Fire-resistance corresponding to class EI30 to EI120*
*See the table for requisite safety distance
| Dimension | Length | Static integral attenuation, dB to ISO 7235 | |||||||
| (mm) | (mm) | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
| 100 | 500 | 7 | 10 | 15 | 28 | 41 | 48 | 37 | 25 |
| 100 | 800 | 8 | 13 | 22 | 36 | 49 | 50 | 47 | 28 |
| 100 | 1100 | 9 | 15 | 29 | 44 | 50 | 50 | 50 | 39 |
| 125 | 500 | 5 | 9 | 13 | 25 | 34 | 40 | 34 | 18 |
| 125 | 800 | 6 | 12 | 19 | 34 | 44 | 50 | 40 | 26 |
| 125 | 1100 | 7 | 15 | 24 | 43 | 50 | 50 | 46 | 34 |
| 160 | 500 | 5 | 8 | 13 | 21 | 29 | 35 | 19 | 15 |
| 160 | 800 | 6 | 11 | 18 | 29 | 39 | 45 | 30 | 21 |
| 160 | 1100 | 7 | 14 | 23 | 37 | 50 | 50 | 41 | 26 |
| 200 | 500 | 5 | 6 | 11 | 17 | 22 | 25 | 15 | 13 |
| 200 | 800 | 5 | 8 | 14 | 24 | 34 | 38 | 22 | 18 |
| 200 | 1100 | 6 | 10 | 18 | 31 | 46 | 51 | 29 | 20 |
| 250 | 500 | 4 | 5 | 8 | 14 | 20 | 18 | 10 | 7 |
| 250 | 800 | 4 | 7 | 11 | 19 | 27 | 27 | 14 | 10 |
| 250 | 1100 | 5 | 9 | 14 | 24 | 35 | 37 | 19 | 12 |
| 315 | 500 | 3 | 6 | 7 | 11 | 14 | 10 | 8 | 3 |
| 315 | 800 | 3 | 7 | 10 | 16 | 21 | 17 | 10 | 5 |
| 315 | 1100 | 4 | 8 | 12 | 21 | 29 | 24 | 12 | 7 |
| 400 | 500 | 3 | 6 | 6 | 11 | 14 | 10 | 7 | 4 |
| 400 | 800 | 3 | 6 | 8 | 15 | 19 | 13 | 8 | 4 |
| 400 | 1100 | 4 | 7 | 10 | 19 | 24 | 16 | 9 | 4 |