Circular ceiling diffuser for supply air

  • 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

 

 

CDK
CDK
Product view
 
CDK/CKP
CDK/CKP
Ceiling-mounted CDK and CKP

ALS
ALS
Commissioning box


A I R  F L O W - S O U N D  L E V E L

CDK/CKP

l/s

Size

25 dB(A)

30 dB(A)

35 dB(A)

100

47 (40)

55 (48)

65 (58)

125

75 (70)

88 (80)

105 (95)

160

125 (115)

145 (130)

175 (150)

200

190 (175)

235 (205)

280 (240)

250

240 (250)

275 (300)

325 (350)

315

275 (310)

320 (360)

370 (410)

CDK/CKP

ALS

l/s

Size

Size

25 dB(A)

30 dB(A)

35 dB(A)

100

80-100

18 (17)

33 (30)

38 (35)

125

100-125

30 (28)

50 (40)

60 (52)

160

125-160

50 (46)

80 (65)

95 (85)

200

160-200

77 (72)

115 (92)

145 (130)

250

200-250

120 (100)

160 (130)

215 (160)

315

250-315

175 (155)

225 (180)

300 (225)

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.

Downloads


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Article Name Type Size Date Add to bucket
Page < 1 >
CDKa  Building product declaration Declarations 105.70kB 1/7/2009 Add to bucket
CDKa  Circular ceiling diffuser for supply air Catalogue/Product sheets 1.23MB 3/22/2018 Add to bucket
CDKa  Installation - Commissioning - Maintenance Instructions/Manuals 735.58kB 3/17/2016 Add to bucket