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    I.S. EN ISO 4126-7:2013

    Current The latest, up-to-date edition.

    SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 7: COMMON DATA (ISO 4126-7:2013)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2013

    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)

    National Foreword
    European foreword
    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and units
    5 Determination of safety valve performance
    6 Sizing of safety valves
    7 Thermodynamic properties
    8 Minimum requirements for helical compression springs
    9 Minimum requirements for safety valve disc springs
    Annex A (informative) - Examples of capacity
            calculations for various media
    Bibliography
    Annex ZA (informative) - Relationship between this
             European Standard and the Essential
             Requirements of EU Directive 97/23/EC (PED)

    Abstract - (Show below) - (Hide below)

    Describes requirements for safety valves. It contains information which is common to ISO 4126-1 to ISO 4126-6 to avoid unnecessary repetition.

    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)

    ISO 4126-1:2013 Safety devices for protection against excessive pressure — Part 1: Safety valves
    ISO 4126-4:2013 Safety devices for protection against excessive pressure — Part 4: Pilot operated safety valves
    ISO 4126-2:2003 Safety devices for protection against excessive pressure Part 2: Bursting disc safety devices
    ISO 4126-10:2010 Safety devices for protection against excessive pressure — Part 10: Sizing of safety valves for gas/liquid two-phase flow
    ISO 4126-5:2013 Safety devices for protection against excessive pressure — Part 5: Controlled safety pressure relief systems (CSPRS)
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