• I.S. EN 50068:1991

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    WROUGHT STEEL ENCLOSURES FOR GAS-FILLED HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR

    Available format(s):  Hardcopy, PDF

    Superseded date:  10-01-2019

    Language(s):  English

    Published date:  01-01-1991

    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)

    1 Introduction
    2 Scope
    3 Definitions
    4 Materials
    5 Design
    6 Manufacture and Workmanship
    7 Inspection and Testing
    8 Pressure Relief Devices
    9 Certification and Marking
    Appendix A: Welding Procedure and Welder Performance
                Tests
    Appendix B: Sample of Record Form
    Appendix C: National Deviations

    Abstract - (Show below) - (Hide below)

    Applies to fusion welded wrought steel enclosures pressurized with dry air, inert gases.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    ISO 6213:1989 Welding Factors to be considered to ensure quality in welded structures
    ISO/R 373:1964 General principles for fatigue testing of metals
    HD 358 : 200S3 GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES OF 72.5 kV AND ABOVE
    ISO 9000:2015 Quality management systems — Fundamentals and vocabulary
    ISO/IEC Guide 2:2004 Standardization and related activities General vocabulary
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