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Acoustic attenuators are needed when it is necessary to control noise and still provide the required airflow for your application. Flexshield select, design and manufacture soundproof attenuators to suit your individual situation.

Acoustic Attenuators are used to:

  • Control noise while providing required airflow for application

Soundproof attenuators are ideal for:

  • Industrial centrifugal and axial fans
  • Plant room air inlet and outlets
  • Dust extraction systems
  • Air compressors
  • Exhaust plenum chambers
  • Air conditioning plant rooms
  • Cooling towers
  • Positive displacement blowers
  • Diesel engine driven generators and other machinery
  • Frequently used in conjunction with Acoustic Enclosures
  • And many more…
Acoustic Louvre


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Flexshield Attenuators are packed with special features

Acoustic attenuators or acoustic splitters are fabricated in a wide range of materials and finishes. Flexshield manufactures a unique kit-form acoustic splitter attenuator that is perfectly suited for roof top or basement plant rooms and gen sets. Supplied in a flat pack fit the acoustic attenuator is easily taken to the place of installment without the need of cranes or heavy lift equipment.


Circular attenuators are generally required where a gas or air flows through circular pipes. A basic circular attenuator will allow the gas to flow straight through which results in an average noise reduction and very low pressure drop. The addition of a pod into the attenuator provides a greater noise reduction, but may also increase the pressure drop. Matching flanges are provided to allow fitting to existing pipe work.


  • Industrial centrifugal and axial fans
  • Boiler flues
  • Dust extraction systems
  • Screw axial and reciprocating air compressors
  • Vacuum pumps
  • Positive displacement blowers

All sizes for all applications.

Acoustic attenuators are custom fabricated to suit any opening size, acoustic or airflow requirements. Once the correct design has been chosen the soundproof louvres are supplied quickly and are easy to install.

Call us now on 1300 799 969 for free advice, samples and a customised proposal!

Alternatively click here and tell us what you need.

Companies we have provided soundproofing solutions for include...

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New Zealand
Ph: 0800 002 663
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