Spiral Attenuators (Silencers)

£31.41£184.12 (Excl. VAT)

Ducting Attenuators (Spiral Silencers)

  • Designed to attenuate the noise in ventilation and air conditioning ducts.
  • Excellent sound absorbing properties.
  • Available in 10 diameters and 3 lengths as standard.
  • Internal layers – 50mm mineral fibre with fibre cloth and separated from the duct system by a perforated galvanised sheet steel.
  • Acoustically tested according to ISO 7235 norm.
Product Code: S-100/300 Categories: , Tag:

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What is an Attenuator or Duct Silencer?

  1. Known as either an Attenuator or a Silencer
  2. Attenuators or Silencers are installed into a HVAC system for the purpose of reducing noise transmitted inside the ventilation ductwork.
  3. Although they are reffered to as Silencers in the HVAC industry, it is important to note that they do not completley silence noise.
  4. Duct silencers are commonly installed on intake and discharge sides of a fans or air handling units.
  5. To enhance the attentuation of the sound created in the duct, a longer length silencer can be used.

 

Additional information

Attenuator-length

300mm, 600mm, 900mm

Attenuator-spigot-size

100mm, 125mm, 150mm, 160mm, 200mm, 250mm, 300mm, 315mm, 355mm, 400mm

Product Group

Attenuators (Silencers)

Data Sheet