Metso Neles Attenuator, Q2 Plate
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Neles Q2 Plate Attenuator

Brand: Metso
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The noise created by throttling gas or steam can be effectively reduced by mounting a Metso Q2-Plate Attenuator downstream of the control valve. 

The Q2-Plate is a fixed resistor which divides the pressure drop between the valve and the plate to minimize the noise generated. 

Noise attenuation is achieved by the specific hole geometry of the Q2-Plate. 

Q2-Plate is the new generation noise attenuation solution with new level of performance.
Features
  • Improved noise attenuation through unique hole geometry
  • Compact design and short face to face length
  • One piece solid pressure boundary
  • Large hole diameter compared to conventional low noise devices
  • Minimal pipe changes required when mounting into existing systems
  • Q2-plate is available with three different Cv option per nominal size
  • Accurate prediction of flow and noise conditions through Metso Nelprof program

Specifications

Brand

Capacity

  • High: 42 to 13,108 Cv
  • Low: 22 to 6,139 Cv
  • Medium: 31 to 10,196 Cv

Enclosure, Body Details

  • Wafer

Flange Size - 10" (DN250)

  • 10" (DN250) - 150# (ASME)
  • 10" (DN250) - 300# (ASME)
  • 10" (DN250) - 600# (ASME)
  • 10" (DN250) - JIS 10K (ASME)
  • 10" (DN250) - PN 10 (ASME)
  • 10" (DN250) - PN 25 (ASME)

Flange Size - 12" (DN300)

  • 12" (DN300) - 150# (ASME)
  • 12" (DN300) - 300# (ASME)
  • 12" (DN300) - 600# (ASME)
  • 12" (DN300) - JIS 16K (ASME)
  • 12" (DN300) - JIS 20K (ASME)
  • 12" (DN300) - PN 16 (ASME)
  • 12" (DN300) - PN 40 (ASME)

Flange Size - 14" (DN350)

  • 14" (DN350) - 150# (ASME)
  • 14" (DN350) - 300# (ASME)
  • 14" (DN350) - 600# (ASME)
  • 14" (DN350) - JIS 16K (ASME)
  • 14" (DN350) - JIS 20K (ASME)
  • 14" (DN350) - PN 16 (ASME)

Flange Size - 16" (DN400)

  • 16" (DN400) - 150# (ASME)
  • 16" (DN400) - 300# (ASME)
  • 16" (DN400) - 600# (ASME)
  • 16" (DN400) - PN 10 (ASME)
  • 16" (DN400) - PN 16 (ASME)
  • 16" (DN400) - PN 25 (ASME)

Flange Size - 18" (DN450)

  • 18" (DN450) - 150# (ASME)

Flange Size - 2" (DN50)

  • 2" (DN50) - 300# (ASME)
  • 2" (DN50) - 600# (ASME)
  • 2" (DN50) - JIS 30K (ASME)
  • 2" (DN50) - PN 10 (ASME)
  • 2" (DN50) - PN 40 (ASME)

Flange Size - 20" (DN500)

  • 20" (DN500) - 150# (ASME)
  • 20" (DN500) - 600# (ASME)

Flange Size - 24" (DN600)

  • 24" (DN600) - 150# (ASME)
  • 24" (DN600) - 300# (ASME)

Flange Size - 28" (DN700)

  • 28" (DN700) - 150# (ASME)
  • 28" (DN700) - 300# (ASME)

Flange Size - 3" (DN80)

  • 3" (DN80) - 300# (ASME)
  • 3" (DN80) - 600# (ASME)
  • 3" (DN80) - JIS 30K (ASME)
  • 3" (DN80) - PN 10 (ASME)
  • 3" (DN80) - PN 40 (ASME)

Flange Size - 32" (DN800)

  • 32" (DN800) - 150# (ASME)

Flange Size - 36" (DN900)

  • 36" (DN900) - 150# (ASME)

Flange Size - 4" (DN100)

  • 4" (DN100) - 150# (ASME)
  • 4" (DN100) - 300# (ASME)
  • 4" (DN100) - 600# (ASME)
  • 4" (DN100) - JIS 30K (ASME)
  • 4" (DN100) - PN 25 (ASME)
  • 4" (DN100) - PN 40 (ASME)

Flange Size - 6" (DN150)

  • 6" (DN150) - 150# (ASME)
  • 6" (DN150) - 300# (ASME)
  • 6" (DN150) - 600# (ASME)
  • 6" (DN150) - JIS 10K (ASME)
  • 6" (DN150) - PN 10 (ASME)
  • 6" (DN150) - PN 16 (ASME)
  • 6" (DN150) - PN 25 (ASME)
  • 6" (DN150) - PN 40 (ASME)

Flange Size - 8" (DN200)

  • 8" (DN200) - 150# (ASME)
  • 8" (DN200) - 300# (ASME)
  • 8" (DN200) - 600# (ASME)
  • 8" (DN200) - JIS 10K (ASME)
  • 8" (DN200) - JIS 20K (ASME)
  • 8" (DN200) - PN 10 (ASME)
  • 8" (DN200) - PN 40 (ASME)

Materials of Construction

  • Stainless Steel

Media

  • Gas
  • Steam

Documentation

Data Sheets

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