Lindab CBA Perforated Diffuser
опис
Comdif CBA is a semicircular perforated displacement diffuser for installation against/on a wall or column. Behind the perforated front plate, CBA is equipped with individually adjustable nozzles, making it possible to alter the geometry of the near zone. The diffuser can be turned and has a circular duct connection (MF measure), so the diffuser can be connected at the top or bottom. The diffuser is suitable for the supply of large volumes of moderately cooled air.
- The diffuser is suitable for the supply of large volumes of air.
- The geometry of the near zone can be adjusted using adjustable nozzles.
- Duct covers, plinths and wall brackets can be supplied as accessories.
технічне обслуговування
The front plate can be removed from the diffuser, making it possible to clean the nozzles. The visible parts of the diffuser can be wiped with a damp тканина.
Замовлення прample
Order – accessories
Cover: CBAZ – 0 – size
Plinth: CBAZ – 2 – size
Wall bracket: CBAZ – 3 – size
Розмір
|
Розмір |
A [Мм] |
ØD [Мм] |
H [Мм] |
вага |
|
1207 |
350 | 125 | 710 | 6.50 |
| 1607 | 420 | 160 | 710 |
7.50 |
|
2010 |
500 | 200 | 970 | 13.0 |
| 2510 | 600 | 250 | 970 |
18.0 |
|
3115 |
730 | 315 | 1490 | 35.0 |
| 4020 | 900 | 400 | 2010 |
58.0 |
|
5020 |
1100 | 500 | 2010 |
78.0 |
Аксесуари
Can be supplied with duct cover, plinth and bracket for wall mounting.
Materials and finish
Diffuser: Galvanised steel
Nozzles: Black plastic
Front plate: 1 mm galvanised steel
Standard finish: Powder-coated
Standard colour: RAL 9003 or RAL 9010 – white, gloss 30.
The diffuser is available in other colours. Please contact Lindab’s sales department for further information.
Технічні дані
The near zone is given at an under-temperature of -3 K to a maximum terminal velocity of 0.20 m/s.
Conversion to other terminal velocities – see table 1, correction of the near zone for -3 K and -6 K respectively
Sound effect level
Sound effect level LW [dB] = LWA + Кok
|
Розмір |
Centre frequency Hz |
|||||||
|
63 |
125 | 250 | 500 | 1K | 2K |
4K |
8K | |
|
1207 |
8 | -3 | 0 | 1 | -8 | -15 |
-27 |
-38 |
|
1607 |
10 | -3 | 3 | 0 | -8 | -18 | -30 | -33 |
| 2010 | 15 | -2 | 3 | 0 | -9 | -16 |
-30 |
-37 |
|
2510 |
10 | -1 | 4 | -1 | -9 | -16 | -29 | -41 |
| 3115 | 11 | 1 | 4 | -1 | -8 | -17 |
-30 |
-42 |
|
4020 |
13 | 3 | 4 | -1 | -9 | -17 | -30 | -43 |
| 5020 | 7 | 2 | 2 | 0 | -6 | -16 |
-19 |
-17 |
Ослаблення звуку
Sound attenuation ΔL [dB] including end reflection.
| Розмір |
Centre frequency Hz |
|||||||
|
Розмір |
125 | 250 | 500 | 1K | 2K | 4K | 250 | |
| 1207 | 19 | 14 | 5 | 3 | 2 | 1 | 2 |
1 |
|
1607 |
16 | 12 | 4 | 1 | 2 | 1 | 2 | 2 |
| 2010 | 12 | 8 | 4 | 2 | 3 | 2 | 2 |
2 |
|
2510 |
12 | 8 | 5 | 2 | 1 | 1 | 1 | 1 |
| 3115 | 11 | 8 | 3 | 2 | 1 | 1 | 2 |
2 |
|
4020 |
9 | 6 | 1 | 1 | 1 | 1 | 1 | 1 |
| 5020 | 7 | 5 | 0 | 1 | 1 | 1 | 1 |
2 |
Nearzone
Table 1 Correction of the near zone (a 0.2, b 0.2 )
|
Under- temperature Ti - Tr |
Maximum velocity m/s | Mean velocity m/s |
Correction factor |
| -К3 | 0.20 | 0.10 | 1.00 |
| 0.25 | 0.12 | 0.80 | |
| 0.30 | 0.15 | 0.70 | |
| 0.35 | 0.17 | 0.60 | |
| 0.40 | 0.20 | 0.50 | |
| -6K | 0.20 | 0.10 | 1.20 |
| 0.25 | 0.12 | 1.00 | |
| 0.30 | 0.15 | 0.80 | |
| 0.35 | 0.17 | 0.70 | |
| 0.40 | 0.20 | 0.60 |
Lindab reserves the right to make changes without prior notice
2020-10-06
Документи / Ресурси
 |
Lindab CBA Perforated Diffuser [pdf] Інструкція CBA Perforated Diffuser, CBA, Perforated Diffuser |
