CDK

Circular ceiling diffuser for supply air - Conical upper section

Spread pattern can be shielded
Cleanable
Adjustable slot
Aerodynamically shaped inlet cone
Non-perforated diffuser face = CDK
Perforated diffuser face = CKP
Standard colour White RAL 9003
- 5 alternative standard colours
- Other colours upon request

Technical specifications

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)

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 apply to CKP.

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.

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Include Accessory documents

Document	Article	Document type	Size	Format
Installation, commissioning, maintenance	CDKb	Instruction	761.12kB	pdf
Commissioning guide 2020:10 - Air diffusers, VAV/CAV- & Commissioning dampers	Air diffusers, VAV/CAV- & Commissioning dampers	Instruction	8.12MB	pdf
Building product declaration	CDKa	Quality	105.7kB	pdf
Circular ceiling diffuser for supply air - Conical upper section	CDKb	ProductSheet	1.31MB	pdf
Overview - Air diffusers	Air diffusers	Brochure	3.52MB	pdf
Product description - Air diffusers & dampers	Air diffusers & dampers	Brochure	684.3kB	pdf