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    I.S. EN 1267:2012

    Current The latest, up-to-date edition.

    INDUSTRIAL VALVES - TEST OF FLOW RESISTANCE USING WATER AS TEST FLUID

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Test facility
    5 Test procedure
    6 Calculation
    7 Test report
    Annex A (informative) - Lower zeta limit
            considerations
    Annex B (informative) - Flow rate and
            physical phenomena of flow
            through a valve
    Annex C (informative) - Uncertainty on
            measurement
    Annex D (informative) - Evaluation of
            uncertainty of flow rate
            coefficient (K[v]) and pressure
            losses coefficient (zeta)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a method for determining valve pressure loss coefficient and fluid flow coefficient using water as test fluid.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

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

    EN 1057:2006+A1:2010 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications
    EN 24006:1993 Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991)
    ISO 6358:1989 Pneumatic fluid power Components using compressible fluids Determination of flow-rate characteristics
    ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
    EN ISO 1127:1996 Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127:1992)
    EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    ISO 4200:1991 Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length
    EN 60534-2-1:2011/AC:2015 INDUSTRIAL-PROCESS CONTROL VALVES - PART 2-1: FLOW CAPACITY - SIZING EQUATIONS FOR FLUID FLOW UNDER INSTALLED CONDITIONS (IEC 60534-2-1:2011)
    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
    ISO 7194:2008 Measurement of fluid flow in closed conduits — Velocity-area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
    IEC 60534-2-3:2015 Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
    ISO 7598:1988 Stainless steel tubes suitable for screwing in accordance with ISO 7-1
    IEC 60534-2-1:2011 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
    ISO 4006:1991 Measurement of fluid flow in closed conduits — Vocabulary and symbols
    EN 736-3:2008 Valves - Terminology - Part 3: Definition of terms
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    ISO 1127:1992 Stainless steel tubes Dimensions, tolerances and conventional masses per unit length
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