Beirens SAS

Beirens SAS

Fan Silencer



This type of silencer consists of a series of parallel baffles placed inside the smoke flue (exhaust or chimney) creating large contact areas that efficiently absorb medium and high frequency noises. Each baffle is made up of a layer of high density mineral wool, 50 to 350 mm thick (60 to 100 kg/m3), an anti-defibration fibreglass covering and a mechanical protection made of perforated steel plates..

  • Excellent acoustic performance
  • Mechanical durability
  • Easy maintenance

This type of silencer is made up of an outer envelope in perforated steel, covered with fibreglass and a layer of high-density mineral wool. It is equipped with a central bulb that is also made of perforated steel and filled with mineral wool.

This creates significant absorbent surfaces. The device is easily inserted in a section of an exhaust or chimney. The bulb can be removed for cleaning, or replaced if needed.

  • Excellent acoustic performance at medium and high frequencies
  • Compact size
  • Easy installation and maintenance
  • Reduced pressure losses

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