Circular sound attenuators
SA
| Type | ΦD[mm] | Φd[mm] | L[mm] |
| SA100 L=900 | 200 | 100 | 900 |
| SA125 L=600 | 200 | 125 | 600 |
| SA125 L=900 | 200 | 125 | 900 |
| SA150 L=600 | 250 | 150 | 600 |
| SA150 L=900 | 250 | 150 | 900 |
| SA160 L=600 | 250 | 160 | 600 |
| SA160 L=900 | 250 | 160 | 900 |
| SA180 L=600 | 315 | 180 | 600 |
| SA180 L=900 | 315 | 180 | 900 |
| SA200 L=900 | 315 | 200 | 900 |
| SA250 L=900 | 400 | 250 | 900 |
| SA315 L=900 | 500 | 315 | 900 |
| SA355 L=900 | 500 | 355 | 900 |
| SA400 L=900 | 630 | 400 | 900 |
| SA450 L=900 | 630 | 450 | 900 |
| SA500 L=1200 | 630 | 500 | 1200 |
| SA560 L=1200 | 800 | 560 | 1200 |
| SA630 L=1200 | 800 | 630 | 1200 |
| Type | Attenuation dB | ||||||
| 125[Hz] | 250[Hz] | 500[Hz] | 1k[Hz] | 2k[Hz] | 4k[Hz] | 8k[Hz] | |
| SA100 L=900 | 8 | 15 | 27 | 36 | 42 | 47 | 24 |
| SA125 L=600 | 6 | 12 | 22 | 28 | 37 | 38 | 22 |
| SA125 L=900 | 9 | 18 | 30 | 40 | 48 | 43 | 24 |
| SA150 L=600 | 4 | 9 | 17 | 2 | 32 | 29 | 18 |
| SA150 L=900 | 7 | 15 | 20 | 35 | 45 | 36 | 20 |
| SA160 L=600 | 5 | 10 | 18 | 23 | 33 | 30 | 19 |
| SA160 L=900 | 8 | 16 | 27 | 36 | 48 | 37 | 21 |
| SA180 L=600 | 6 | 90 | 17 | 22 | 32 | 29 | 18 |
| SA180 L=900 | 9 | 15 | 26 | 35 | 46 | 36 | 20 |
| SA200 L=900 | 7 | 13 | 24 | 31 | 44 | 31 | 20 |
| SA250 L=900 | 8 | 15 | 29 | 34 | 47 | 33 | 17 |
| SA315 L=900 | 6 | 12 | 22 | 24 | 36 | 26 | 19 |
| SA355 L=900 | 7 | 13 | 21 | 25 | 37 | 27 | 21 |
| SA400 L=900 | 6 | 12 | 20 | 26 | 32 | 28 | 24 |
| SA450 L=900 | 6 | 9 | 14 | 23 | 21 | 24 | 14 |
| SA500 L=1200 | 7 | 11 | 15 | 24 | 22 | 25 | 16 |
| SA560 L=1200 | 7 | 13 | 16 | 24 | 21 | 24 | 15 |
| SA630 L=1200 | 7 | 14 | 18 | 25 | 21 | 21 | 15 |
| Circular sound attenuator in galvanized steel with insulation shell thickness between 50 and 100 mm Composition Circular silencers are designed with an external galvanised duct system Inner casing is made of perforated sheet steel Cavity is filled with soundabsorbent mineral wool Mounting The attenuators should be mounted using duct suspension clamps, around the duct connection Ød The outside diameter ØD of these attenuators may have small deviations in size |
