CKP

Circular ceiling diffuser for supply air - Conical upper section

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

Functions
- Supply air

Calculate with your requirements

Design

The CDK and CKP consists of two parts: an aerodynamically shaped upper section with a connection spigot have including a rubber sealing ring, and a removable nonperforated diffuser face. Between the upper cone and the diffuser face there is a slot which can be adjusted in two positions. The diffuser face of the CDK is non-perforated and on CKP it is perforated in CKP is perforated. Both CDK and CKP are equipped with acoustic insulation.

Material and surface treatment

The upper part is manufactured in galvanized sheet steel. The diffuser face is made of sheet steel. The whole diffuser is painted inside and out.

Standard colour:
- RAL 9003, signal white, gloss 40
Alternative standard colours:
- RAL 9006, white aluminium, gloss 80
- RAL 9007, grey aluminium, gloss 80
- RAL 9010, pure white, gloss 40
- RAL 9005, jet black, gloss 35
- RAL 7037, dusty grey, gloss 30
Non-painted finish and other colours available on request.

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
CKP Size		25 dB(A)		30 dB(A)		35 dB(A)
CKP Size		l/s	m3/h	l/s	m3/h	l/s	m3/h
100		40	144	48	173	58	209
125		70	252	80	288	95	342
160		115	414	130	468	150	540
200		175	630	205	738	240	864
250		250	900	300	1080	350	1260
315		310	1116	360	1296	410	1476

CKP Size	ALS Size	25 dB(A)		30 dB(A)		35 dB(A)
CKP Size	ALS Size	l/s	m3/h	l/s	m3/h	l/s	m3/h
100	80-100	17	61	30	108	35	126
125	100-125	28	101	40	144	52	187
160	125-160	46	166	65	234	85	306
200	160-200	72	259	92	331	130	468
250	200-250	100	360	130	468	160	576
315	250-315	155	558	180	648	225	810
Data applies to 360° spread pattern. Data for CKP in combination with ALS commissioning box is stated for a total pressure drop of 50 Pa. *) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.

SAR

Frame for the aesthetic installation of a lowered diffuser plate

ALS

Commissioning box for air diffusers

Nordic Swan listed

The product is listed in the database for building products that can be used in Nordic Swan Ecolabelled buildings.

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Include Accessory documents

Document	Article	Document type	Date
Installation, commissioning, maintenance (pdf 760.94kB)	CDKb, CKPa	IOM Manual	12/12/2022
Circular ceiling diffuser for supply air - Conical upper section (pdf 1.28MB)	CDKb, CKPa	Technical catalogue	12/12/2022
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023
Overview - Air diffusers (pdf 4.28MB)	Air diffusers	Brochure	21/02/2025
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.73MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	27/02/2025
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023

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