SOUND ATTENUATORS


CIRCULAR SILENCERS / ATTENUATORS


Circular silencers for the reduction of noise in circular ducts of ventilation and air conditioning systems, with rigid construction made from galvanised sheet steel. Available in sizes from 80mm diameter up to 400mm diameter and from 500mm up to 1000mm nominal length, with 50mm insulation.

layer

CAH

Circular silencer made of galvanised sheet steel or stainless steel

  • Attenuation effect due to absorption

  • The sound absorbing material is non-combustible mineral wool and non-hazardous to health according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EC

  • Acoustic data measured to ISO 7235

  • Leakage class C or D (depending on size) to EN 15727.

  • For use in areas with potentially explosive atmospheres (according to EC Directive 2014/34/EU (ATEX)), zones 1, 2, and zones 21 and 22 (outside) according to EC Directive 1999/92/EC

 

Optional equipment and accessories



  • Spigot with lip seal, for circular connecting ducts to EN 1506 or EN 13180


  • Socket-type spigot suitable for circular ducts to EN 1506 or EN 13180

read more

 

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Our department for Service-Requests will contact you asap.
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Tel.: +44 (0)1842 754545 | Fax: +44 (0)1842 763051