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    I.S. EN 74-1:2005

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 1: COUPLERS FOR TUBES - REQUIREMENTS AND TEST PROCEDURES

    Available format(s):  Hardcopy, PDF

    Superseded date:  01-05-2022

    Language(s):  English

    Published date:  31-12-2004

    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
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
       3.1 Terms and definitions
       3.2 Symbols and abbreviations
    4 Types and classes of couplers
       4.1 Types of couplers
       4.2 Classes of couplers
    5 Reference tubes and bar for coupler tests
    6 General requirements
       6.1 Materials
       6.2 Design
       6.3 Manufacturer's drawing
       6.4 Production
    7 Test methods and evaluation of results
       7.1 General
       7.2 Slipping and failure force
       7.3 Pull-apart force Fp (RA)
       7.4 Stiffnesses and ultimate moments
       7.5 Indentation (RA,SW,PA)
    8 Designation
    9 Marking
    10 Test report
    11 Evaluation of test results
    12 Assessment
    13 Product manual
    Annex A (normative) Whitworth thread size 1/2 X 12 Tpi
          A.1 Nominal values
          A.2 Tolerances and limiting dimensions after coating
    Annex B (informative) Ongoing production control
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes, for right angle couplers, swivel couplers, sleeve couplers and parallel couplers working by friction.

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

    Development Note Supersedes I.S. EN 74. (12/2005)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    Supersedes

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

    EN 12811-1:2003 Temporary works equipment - Part 1: Scaffolds - Performance requirements and general design
    EN 10002-1 : 2001 METALLIC MATERIALS - TENSILE TESTING - PART 1: METHOD OF TEST AT AMBIENT TEMPERATURE
    ISO 898-2:2012 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread
    EN 12811-2:2004 Temporary works equipment - Part 2: Information on materials
    EN 12812:2008 Falsework - Performance requirements and general design
    EN 12811-3:2002 Temporary works equipment - Part 3: Load testing
    ISO 2859:1974 Sampling procedures and tables for inspection by attributes
    EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
    EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
    EN 10204:2004 Metallic products - Types of inspection documents
    ISO 9001:2015 Quality management systems — Requirements
    EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013)
    EN 12810-1:2003 Façade scaffolds made of prefabricated components - Part 1: Products specifications
    ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread
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