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BSI BS EN 60534-8-3:2011

Industrial-process control valves. Noise considerations -- Control valve aerodynamic noise prediction method
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BSI BS EN 60534-8-3:2011

Industrial-process control valves. Noise considerations -- Control valve aerodynamic noise prediction method

PUBLISH DATE 2011
PAGES 52
BSI BS EN 60534-8-3:2011
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 BSI: British Standards Institution
Document Number EN 60534-8-3
Publication Date June 30, 2011
Language en - English
Page Count
Revision Level
Supercedes
Committee GEL/65/2
Publish Date Document Id Type View
June 30, 2011 BS EN 60534-8-3:2011 Revision
Dec. 15, 2000 BS EN 60534-8-3:2000 Revision
Aug. 15, 1996 BS EN 60534-8-3:1996 Revision