Инструкции по использованию перфорированного диффузора Lindab CBA

CBA Perforated Diffuser

lindab | we simplify construction
Perforated diffuser – semicircular CBA
Размеры
D/2 + 10

A ØD H

Описание
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.
Техническое обслуживание
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 ткань.

А / 2

Size
1207 1607 2010 2510 3115 4020 5020

ØAA [mm] 350 420 500 600 730 900 1100

ØD [mm] 125 160 200 250 315 400 500

H [mm] 710 710 970 970 1490 2010 2010

Weight [kg] 6,.50 7,.50 13,.0 18,.0 35,.0 58,.0 78,.0

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

Заказ эксample

Product Type Size

CBA

Order – accessories

Cover: Plinth: Wall bracket:

CBAZ – 0 – size CBAZ – 2 – size CBAZ – 3 – size

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Materials and finish

Diffuser: Nozzles: Front plate: Standard finish: Standard colour:

Galvanised steel Black plastic 1 mm galvanised steel Powder-coated RAL 9003 or RAL 9010 – white, gloss 30.

The diffuser is available in other colours. Please contact Lindab’s sales department for further information.

Lindab reserves the right to make changes without prior notice

1

2020-10-06

lindab | we simplify construction
Perforated diffuser – semicircular

CBA

Технические данные

pt [Pa] CBA 150
100 70 50

1207 1607

30
20 15
10 7 5

3 2

30 40 50 70 100 150 200 300

150 200 300

500 700 1000

0.5

1

2

3

4

5

2010 2510

3115 4020

5020

60

55

50

45

40

35

30

25

20

LWA дБ(А)

500 700 1000

qV [l/s] 2000

2000 3000

qV [m3/h] 5000 7000

a0.2 [m]

2

3

4

7

10

b0.2 [m] 15

Recommended maximum volume flow.

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.

Nearzone
Large diffusion (factory setting)

h
v
vmax Small diffusion

b0,2 2 × a0,2

Sound effect level
Sound effect level LW [dB] = LWA + Kok

Size
1207 1607 2010 2510 3115 4020 5020

Centre frequency Hz 63 125 250 500 1K 2K 4K 8K

8

-3

0

1

-8 -15 -27 -38

10-3

3

0

-8 -18 -30 -33

15-2

3

0

-9 -16 -30 -37

10-1

4

-1

-9 -16 -29 -41

11

1

4

-1 -8 -17 -30 -42

13

3

4

-1 -9 -17 -30 -43

7

2

2

0

-6 -16 -19 -17

Звукоизоляция

Sound attenuation L [dB] including end reflection.

Size
1207 1607 2010 2510 3115 4020 5020

Centre frequency Hz 63 125 250 500 1K 2K 4K 8K

19 14 5

3

2

1

2

1

16 12 4

1

2

1

2

2

12 8

4

2

3

2

2

2

12 8

5

2

1

1

1

1

11 8

3

2

1

1

2

2

9

6

1

1

1

1

1

1

7

5

0

1

1

1

1

2

a0,2

2 × a0,2

Table 1 Correction of the near zone (a0.2, b0.2)

UUnnddeerr-tteemmppeerraattuurree
TTii — TTrr
–KK33
–66KK

MMaaxxiimmuumm vveelloocciittyy
mm//ss 00,.2200 00,.2255 00,.3300 00,.3355 00,.4400 00,.2200 00,.2255 00,.3300 00,.3355 00,.4400

MMeeaann vveelloocciittyy
mm//ss 00,.1100 00,.1122 00,.1155 00,.1177 00,.2200 00,.1100 00,.1122 00,.1155 00,.1177 00,.2200

CCoorrrreeccttiioonn ffaaccttoorr
11,.0000 00,.8800 00,.7700 00,.6600 00,.5500 11,.2200 11,.0000 00,.8800 00,.7700 00,.6600

2

Lindab reserves the right to make changes without prior notice

2020-10-06

Документы / Ресурсы

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

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