Lindab CBA Perforated Diffuser

description

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.
  • Za'a iya daidaita ma'aunin lissafi na yankin kusa ta amfani da nozzles daidaitacce.
  • Duct covers, plinths and wall brackets can be supplied as accessories.

Maintenance

Za a iya cire farantin gaba daga mai watsawa, yana sa ya yiwu a tsaftace nozzles. Ana iya goge sassan da ake iya gani na mai watsawa da tallaamp zane.

Yin oda example

Oda - kayan haɗi

Cover:               CBAZ – 0 – size
Plinth:               CBAZ – 2 – size
Wall bracket:     CBAZ – 3 – size

girma

size

A
[mm]
D
[mm]
H
[mm]

Weight
[kilogiram]

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

Na'urorin haɗi

Can be supplied with duct cover, plinth and bracket for wall mounting.

Kayayyaki da gamawa

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.

Ana samun mai watsawa a wasu launuka. Da fatan za a tuntuɓi sashen tallace-tallace na Lindab don ƙarin bayani.

Technical data

An ba da yankin kusa da ƙananan zafin jiki na -3 K zuwa matsakaicin iyakar iyakar 0.20 m/s.
Conversion to other terminal velocities – see table 1, correction of the near zone for -3 K and -6 K respectively

Matsayin tasirin sauti

Sound effect level LW [dB] = LWA + Kuok

size

Mitar cibiyar 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

Rage sauti

Sautin sauti ΔL [dB] gami da tunani na ƙarshe.

size

Mitar cibiyar Hz

size

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

Yankin kusa

Table 1 Correction of the near zone (a 0.2, b 0.2 )

Under- temperature Ti - Tr

Matsakaicin gudu m/s Ma'ana gudun m/s

Correction factor

-K3 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 yana da haƙƙin yin canje-canje ba tare da sanarwa ba
2020-10-06

Takardu / Albarkatu

Lindab CBA Perforated Diffuser [pdf] Umarni
CBA Perforated Diffuser, CBA, Perforated Diffuser

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