ALS30 and and ALS 50 acoustic louver models provied acoustic solutions for situations where space and location do not allow installation of a full sized silencer.
The shutters are made of a "Z" shapemaze through which air flows passing through high capability adsorbent materials.
The shutters are primarily used for:
- Air returns for air conditioning systems
- Exists / entrances for machine rooms Dividing walls
- 450mm deep
- Height and width according to custom needs
- Galvanized steel construction or painted according to demand
- Anti birds netting and rain protection on request
- Nonflammable materials
|
SOUND ATTENUATION (dB) Vs. FREQUENCY (HZ) |
TYPE |
||||||
|
4000 |
2000 |
1000 |
500 |
250 |
125 |
63 |
|
|
17 |
18 |
20 |
15 |
10 |
6 |
3 |
AL-50-S |
|
24 |
26 |
25 |
18 |
14 |
8 |
4 |
AL-33-S |
