CLA-B

Compact sound attenuator with centre baffle for circular ducts

  • Equipped with an acoustic centre baffle
  • Extremely low installation height
  • Very good sound attenuation
  • Fibre-migration proof
  • Dim up to 400 air tightness class D
  • Dim 500 to 800 air tightness class C
  • Low pressure drop due to tapered splitters
  • Mineral wool
  • Galvanised sheet steel to Environmental Class C3
  • Included in the MagiCAD database
  • Fire-resistance class EI30 to EI120*
    * See the table for requisite safety distance

 

Technical data 

CLA-B - Standard range
Size Length Working range Attenuation
mm mm m³/s dB(A)
250-800 500-1200 0-5 5-20