GSO IEC 60534-8-1:2015
Gulf Standard
Current Edition
·
Approved on
03 September 2015
·
Industrial-process control valves - Part 8-1: Noise considerations - Laboratory measurement of noise generated by aerodynamic flow through control valves
GSO IEC 60534-8-1:2015 Files
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GSO IEC 60534-8-1:2015 Scope
This part of IEC 60534-8 defines equipment, methods, and procedures for obtaining laboratory
measurements of sound pressure levels radiated by control valves and/or associated piping
configurations, including fixed restrictions, through which compressible fluids are passing.
Control valves discharging to atmosphere are excluded from this standard.
Method A is a uniform method of measuring the radiated noise from the valve and associated
test piping and allows a comparison of various measuring results which is beneficial for both
user and manufacturer. The noise criteria are expressed by determining the sound pressure
level of the valve under consideration.
Method B is a procedure for measuring the sound pressure levels within pipe systems
upstream and downstream of the valve under fixed operating conditions. Since inaccuracies
due to the pipe transmission are eliminated, this method is preferred for evaluation of the
acoustical characteristic of valves.
The noise characteristics to be determined are useful for the following reasons:
a) to compare the performance of different valves;
b) to plan measures for noise abatement;
c) to determine acoustical characteristics of valves and valve assemblies;
d) to enable proper sizing of sound absorbers;
e) to determine possible adverse effects on ultra-sonic flow meter measurements.
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