Product view

CTK

Sound attenuating air transfer unit for large air flows

For transfer air through walls or wall / ceiling
Meets cross-talk requirements in standard buildings
Large flow area up to 220 l/s
Square hole
Type approved sound attenuation material CLEANOLON® -AL
Easy installation
Standard colour White RAL 9003
- 5 alternative standard colours
- Other colours upon request

The transfer units CTK and CTM have been developed for today’s increasing demands for low crosstalk between rooms. The combination of small open free area and angle changes give very good sound reduction at a low pressure drop.

Technical description

Design

Rectangular transfer air baffle. The sound attenuating baffle is filled with sound absorbing material with a reinforced surface layer. CTK and CTM are manufactured as standard in galvanized sheet steel.

The sound attenuating material, ISOVER Cleantec® PLUS, is type approved (type approval no. 2706/92) with respect to cleaning, fibre migration, ageing properties, emissions etc. CTK and CTM consist of a sound attenuating section without grilles. If grilles and mounting frames are required they should be specified separately.

CTK			CTM
Hole in suspended ceiling	l/s		Hole in suspended ceiling	l/s
	10 Pa	20 Pa		10 Pa	20 Pa
150	43	60	300 x 150	28	40
200	78	110	500 x 150	71	100
300	155	220	800 x 200	142	200

Nordic Swan listed

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

Filter

Include Accessory documents

Document	Article	Document type	Date
Acoustics Overview (pdf 2.43MB)	CLA-A, CLA-B, SORDO-A, SORDO-B, SORDO-C, SORDO-P, SORDO-PF, CALMO, CADENZA, LARGO, LENTO, MORENDO, FACILE, ALD, CTM, CTK	Brochure	08/04/2023
Building product declaration (pdf 179.06kB)	CTKb	Quality	24/05/2018
Installation, Commissioning, Maintenance (pdf 289.86kB)	CTMb, CTKb	IOM Manual	03/05/2022
Sound attenuating transfer unit (pdf 344.31kB)	CTKb	Technical catalogue	27/06/2024
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023
Overview - Air diffusers (pdf 3.34MB)	Air diffusers	Brochure	12/07/2022
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.75MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	19/08/2024

Whilst we have made every effort to ensure information on this website is up to date and accurate, the technical specification and availability of products/services listed on this website may vary market to market and are subject to change without notice. Please contact your regional representative or visit your local website for further details.