Category: Protection against noise

Accueil » Protection against noise
  • Silencer for safety valve, steam applications

    Accueil » Protection against noise
    Types :

      • diffuser silencer
      • absorptive silencer
      • combined diffuser and absorptive silencer
      • inline silencer

    Applications :

      • vent or purge
      • boiler
      • by-pass turbine

    Medium :

      • air
      • vapor
      • natural gas
      • industrial gas

    Design :

    The inlet pipe of the silencer is perforated with a number of holes. Other perforated pipes with a larger number of holes are added concentrically. The space between them is filled with a wire mesh of stainless steel.

    Characteristics :

      • noise reduction up to 50 dB (A)
      • diameters : DN25 à DN450
      • connections : B.W. – flanges EN / ANSI
      • materials : carbon steel, stainless steel
      • temperature : -40°C à +450°C
      • vertical and horizontal mounting
      • typical pressure drop > 0,2 bar
      • Optional accessories

    Standards : ISO 9001, PED 97/23/CE

    Please find our attached document about quality and fault prevention.

    Non exhaustive list of customers using our silencers (in French).

    Silencer used with safety valve for saturated steam



  • Silencers : examples

    Accueil » Protection against noise
    201405
    Ø 0,4 m, Height 1,54 m, Weight 190 kg with brackets
    201404
    Ø 0,8 m, Height 1,55 m, Weight 350 kg with brackets and gooseneck 45° to redirect the outlet flow
    Ø 0,74 m, Height 1,9 m, Weight 340 kg with brackets and rain protection
    2013060703
    mobile silencer, can be separated in two parts
    Ø 1,1 m, Total height 3,175 m, Weight 1100 kg
    2013052400
    Ø 3,4 m, Height 2,9 m, Weight 4600 kg
    2013052410_670x603
    Ø 6 m, Height 5,4 m, Weight 18000 kg
  • Gas silencers

    Accueil » Protection against noise

    Each silencer HELYON is designed according to the characteristics of your installation, your specifications and your needs.

    Applications : These gas and air silencers are used to reduce sound power level for this type of plant :

    • Turbine
    • Exhaust line
    • Safety valve outlet
    • Dryer

    and all applications where the noise level is too high for the environment.

    Fluids :
    All industrial gases: Air, Nitrogen N2, Argon Ar, Oxygen O2, Carbon Dioxide CO2, Hydrogen H2, Helium He, etc.

    Characteristics :

      • Noise reduction according to your needs (minimum of 20 dB (A))
      • DN calculation based on flow rate
      • Carbon or stainless steel construction
      • Connection: flanged or threaded (for small diameters)
      • Drain system

    Options :

      • Cover against rain or snow
      • Bird protection
      • Brackets
      • Special support

    Do not hesitate to contact us for your specific requirements, each silencer is custom-sized.

    SilGaz01_190
    Gas silencer

    Some examples of silencer installations

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  • Gas silencers : examples

    Accueil » Protection against noise

    Some examples :

    SilGaz_Ex03_670

    SilGaz_Ex02_670

    SilGaz_Ex01_670