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Swegon CDKa Quick Manual

Swegon CDKa Quick Manual

Circular ceiling diffuser for supply air

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CDKa/CKPa
Circular ceiling diffuser for supply air
General
Circular supply air diffusers for ceiling installation, with
aerodynamically shaped outled cones. They are suit-
able for either constant or variable flow and can handle
extremely large airflows at low sound levels.
Quick facts
Spread pattern can be shielded
Handles large airflows
Cleanable
Adjustable slot
Aerodynamically shaped inlet cone
Non-perforated diffuser face = CDK
Perforated diffuser face = CKP
Available in alternative colours
Included in the MagiCAD and CadVent databases
We reserve the right to alter specifications.
Quick guide
A I R F L O W - S O U N D L E V E L
CDKa/CKPa
Size
00
25
60
200
250
35
CDKa/CKPa
ALSc
Size
Size
00
80-00
25
00-25
60
25-60
200
60-200
250
200-250
35
250-35
Data applies to 360° spread pattern. Data for combination
with ALS commissioning box is stated for a total pressure
drop of 50 Pa. Values in brackets are for CKP.
2008035
l/s
25 dB(A)
30 dB(A)
35 dB(A)
47 (40)
55 (48)
65 (58)
75 (70)
88 (80)
05 (95)
25 (5)
45 (30)
75 (50)
90 (75)
235 (205)
280 (240)
240 (250)
275 (300)
325 (350)
275 (30)
320 (360)
370 (40)
l/s
25 dB(A)
30 dB(A)
35 dB(A)
8 (7)
33 (30)
38 (35)
30 (28)
50 (40)
60 (52)
50 (46)
80 (65)
95 (85)
77 (72)
5 (92)
45 (30)
20 (00)
60 (30)
25 (60)
75 (55)
225 (80)
300 (225)
www.swegon.com


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Summary of Contents for Swegon CDKa

  • Page 1 CDKa/CKPa Circular ceiling diffuser for supply air General Quick guide Circular supply air diffusers for ceiling installation, with A I R F L O W - S O U N D L E V E L aerodynamically shaped outled cones. They are suit-...
  • Page 2: Technical Description

    See Figure . other dimensions, please refer to our selection soft- ware ProAir web and ProAc, which are both available at www.swegon.com.
  • Page 3 25 250 500 000 2000 4000 8000 CDKa 000 2000 4000 8000 Size Mid-frequency (octave band) Hz Size Mid-frequency (octave band) Hz CDKa + 25 250 500 000 2000 4000 8000 CDKa + 000 2000 4000 8000 ALSc ALSc Tol. ±...
  • Page 4 Technical Information section of this catalogue. tic absorption of 4 dB. • Correction factor for shielded spread pattern, see graphs and examples below the dimensioning graph. CDKa 100, 125, 160 CDKa 200, 250, 315 40 dB(A) 40 dB(A) 200 l/s...
  • Page 5 Acoustics in the Technical Information section of this catalogue. • Correction factor for shielded spread pattern, see graphs and examples below the dimensioning graph. CDKa 100 + ALSc 80-100 CDKa 125 + ALSc 100-125 40 dB(A) 40 dB(A) 50 l/s...
  • Page 6 CDKa/CKPa CDKa 250 + ALSc 200-250 CDKa 315 + ALSc 250-315 40 dB(A) 40 dB(A) 400 l/s 500 500 l/s 1000 m 1000 2000 m Engineering graphs - CKP with ALS - Supply air Air flow - Pressure drop - Sound level - Throw •...
  • Page 7 CDKa/CKPa CKPa 160 + ALSc 125-160 CKPa 200 + ALSc 160-200 40 dB(A) 40 dB(A) 200 l/s 500 m 500 m CKPa 250 + ALSc 200-250 CKPa 315-ALSc 250-315 40 dB(A) 40 dB(A) 300 l/s 400 400 l/s 500 1000 m...
  • Page 8: Dimensions And Weights

    Size ØA Ød ØJ Weight, kg 36-46 36-46 46-56 46-56 50-60 50-60 Figure 3. CDK/CKP. ØJ = Hole-making size CDKa/CKPa + ALSc Size ØA ØD 36-46 36-46 46-56 46-56 50-60 50-60 Size Weight,kg Figure 4. CDK/CKP + ALS. Frame SARa C Size Ø...
  • Page 9 Order key Specification example Product SD XX Circular ceiling terminal for supply air AAAa -bbb Swegons circular cone diffuser of the type CDKa with Non-perforated diffuser face CDKa commissioning box ALSc, having the following functions: Perforated diffuser face CKPa •...

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Ckpa