Sound attenuating transfer unit for large airflows

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.

  • For transfer air through walls or wall/ceiling
  • Fulfils crosstalk requirements in normal constructions
  • Large flow range up to 220 l/s
  • Square hole cut
  • Type approved sound attenuating material, CLEANOLON® -AL
  • Simple installation
 

CTM
CTM
Product view
 
CTK/CTM
CTK/CTM
Installation example


A I R F L O W - P R E S S U R E  D R O P

CTK

CTM

Hole cut in

l/s

Hole cut in

l/s

susp. ceiling

10 Pa

20 Pa

susp. ceiling

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

Downloads


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Article Name Type Size Date Add to bucket
Page < 1 >
CTMb  Building product declaration Declarations 178.42kB 1/7/2009 Add to bucket
CTMb  Sound attenuating transfer unit Catalogue/Product sheets 333.95kB 11/10/2017 Add to bucket