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  • BS EN 60534-8-2:2011

    Current The latest, up-to-date edition.

    Industrial-process control valves Noise considerations. Laboratory measurement of noise generated by hydrodynamic flow through control valves

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-08-2012

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols
    5 General test criteria
    6 External sound pressure measurement
    7 Internal sound pressure measurement
    8 Determination of the characteristic pressure
      ratio x[Fz]
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    Defines the method for measuring the sound pressure level due to liquid flow through a control valve and the method for determining the characteristic increase of noise due to the onset of cavitation.

    Scope - (Show below) - (Hide below)

    IEC 60534-8-2:2011 includes the method for measuring the sound pressure level due to liquid flow through a control valve and the method for determining the characteristic increase of noise due to the onset of cavitation. It also defines the equipment, methods and procedures for the laboratory measurement of the airborne sound needed to determine these characteristics. Two methods are provided for testing the noise generating characteristics of control valves. The first is a uniform method of measuring the radiated noise from the valve and the associated test piping including fixed flow restrictions through which the test fluid (water) is passing. The second is a procedure for measuring the sound pressure levels within pipe systems upstream and downstream of the valve under fixed operating conditions. This second edition cancels and replaces the first edition published in 1991 and constitutes a technical revision that includes internal noise measurement.

    General Product Information - (Show below) - (Hide below)

    Committee GEL/65/2
    Development Note Renumbers and supersedes BS 5793-8.2(1991) Supersedes 86/21759 DC (11/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 60534-8-4:2015 Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow
    ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
    EN 60534-1:2005 Industrial-process control valves - Part 1: Control valve terminology and general considerations
    EN ISO 3745:2012/A1:2017 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS (ISO 3745:2012/AMD 1:2017)
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
    EN ISO 3744:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
    ISO 4200:1991 Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length
    ISO 65:1981 Carbon steel tubes suitable for screwing in accordance with ISO 7-1
    EN 60534-2-3:2016 Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
    IEC 60534-8-4:2015 Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow
    IEC 60534-2-3:2015 Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
    ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
    IEC 60534-1:2005 Industrial-process control valves - Part 1: Control valve terminology and general considerations
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