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IEC 60534-8-3 Ed. 3.0 b:2010

Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method
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IEC 60534-8-3 Ed. 3.0 b:2010

Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method

PUBLISH DATE 2010
PAGES 100
IEC 60534-8-3 Ed. 3.0 b:2010

Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method

IEC 60534-8-3:2010 establishes a theoretical method to predict the external sound-pressure level generated in a control valve and within adjacent pipe expanders by the flow of compressible fluids.

This method considers only single-phase dry gases and vapours and is based on the perfect gas laws. It is assumed that the downstream piping is straight for a length of at least 2 m from the point where the noise measurement is made.

The method is applicable to the following single-stage valves:

  • globe (straight pattern and angle pattern),
  • butterfly,
  • rotary plug (eccentric, spherical),
  • ball, and
  • valves with cage trims.

Specifically excluded are the full bore ball valves where the product FpC exceeds 50 % of the rated flow coefficient.

This third edition cancels and replaces the second edition published in 2000. This edition constitutes a technical revision.

The significant technical changes with respect to the previous edition are as follows:

  • predicting noise as a function of frequency;
  • using laboratory data to determine the acoustical efficiency factor.
SDO IEC: International Electrotechnical Commission
Document Number IEC 60534
Publication Date Nov. 1, 2010
Language b - English & French
Page Count
Revision Level 3.0
Supercedes
Committee 65B
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