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IEC 60534-8-4:2015 ED3

Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow IEC 60534-8-4:2015 ED3

Publication date:   Sep 15, 2015

General information

60.60 Standard published   Sep 15, 2015

IEC

TC 65/SC 65B

International Standard

17.140.20   Noise emitted by machines and equipment | 23.060.40   Pressure regulators | 25.040.40   Industrial process measurement and control

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Scope

IEC 60534-8-4:2015 establishes a method to predict the noise generated in a control valve by liquid flow and the resulting noise level measured downstream of the valve and outside of the pipe. The noise may be generated both by normal turbulence and by liquid cavitation in the valve. Parts of the method are based on fundamental principles of acoustics, fluid mechanics, and mechanics. The method is validated by test data. This third edition cancels and replaces the second edition published 2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) Hydrodynamic noise is predicted as a function of frequency and
b) Elimination of the acoustic power ratio.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60534-8-4:2005 ED2

WITHDRAWN
IEC 60534-8-4:2005/COR1:2006 ED2

NOW

PUBLISHED
IEC 60534-8-4:2015 ED3
60.60 Standard published
Sep 15, 2015