IEC 60534-8-3:2010
Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method
Abstract
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.
- 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.
Additional information
Publication type | International Standard |
---|---|
Publication date | 2010-11-29 |
Edition | 3.0 |
Available language(s) | English/French |
TC/SC | TC 65/SC 65B - Measurement and control devicesrss |
ICS | 17.140.20 - Noise emitted by machines and equipment
23.060.40 - Pressure regulators 25.040.40 - Industrial process measurement and control |
Stability date | 2024 |
Pages | 96 |
File size | 1561 KB |
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