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EN 74-1:2005

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures
Superseded date

08-04-2022

Published date

05-10-2005

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 F[p] (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

This European Standard specifies, for right angle couplers, swivel couplers, sleeve couplers and parallel couplers working by friction:materials;design requirements;strength classes with different structural parameters including values for resistance and stiffness;test procedures;assessmentand givesrecommendations for ongoing production control.For testing, screw couplers are tightened to a torque of 50 Nm and wedge couplers are tightened with a 500 g hammer until the jarring blow.

Committee
CEN/TC 53
DevelopmentNote
Together with EN 74-3 supersedes EN 74. (12/2005) Supersedes UNE 76503. (08/2006)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
Supersedes

Standards Relationship
NF EN 74-1:2022 Identical
ONORM EN 74-1 : 2006 Identical
NF EN 74-1 : 2006 Identical
PN EN 74-1 : 2006 Identical
NEN EN 74-1 : 2005 Identical
I.S. EN 74-1:2005 Identical
UNE-EN 74-1:2008 Identical
NS EN 74-1 : 1ED 2005 Identical
UNI EN 74-1 : 2007 Identical
BS EN 74-1:2005 Identical
NBN EN 74-1 : 2006 Identical
SN EN 74-1 : 2005 Identical
DIN EN 74-1:2005-12 Identical
UNE-EN 74-1:2005 Identical

12/30248282 DC : 0 BS EN 12811-4 - TEMPORARY WORKS EQUIPMENT - PART 4: PROTECTION FANS FOR SCAFFOLDS PERFORMANCE REQUIREMENTS AND PRODUCT DESIGN
07/19978687 DC : 0 BS EN 74-2 - COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 2: SPECIAL COUPLERS - REQUIREMENTS AND TEST PROCEDURES
UNI EN 74-2 : 2009 COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 2: SPECIAL COUPLERS - REQUIREMENTS AND TEST PROCEDURES
UNE-EN 74-2:2010 Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 2: Special couplers - Requirements and test procedures
EN 12812:2008 Falsework - Performance requirements and general design
DIN EN 16031:2012-09 ADJUSTABLE TELESCOPIC ALUMINUM PROPS - PRODUCT SPECIFICATIONS, DESIGN AND ASSESSMENT BY CALCULATION AND TESTS
BS EN 16031:2012 Adjustable telescopic aluminium props. Product specifications, design and assessment by calculation and tests
I.S. EN 74-3:2007 COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 3: PLAIN BASE PLATES AND SPIGOT PINS - REQUIREMENTS AND TEST PROCEDURES
UNE-EN 13374:2013 Temporary edge protection systems - Product specification - Test methods
I.S. EN 12812:2008 FALSEWORK - PERFORMANCE REQUIREMENTS AND GENERAL DESIGN
DIN EN 13374:2013-07 TEMPORARY EDGE PROTECTION SYSTEMS - PRODUCT SPECIFICATION - TEST METHODS
I.S. EN 13374:2013 TEMPORARY EDGE PROTECTION SYSTEMS - PRODUCT SPECIFICATION - TEST METHODS
BS EN 74-2:2008 Couplers, spigot pins and baseplates for use in falsework and scaffolds Special couplers. Requirements and test procedures
BS EN 74-3:2007 Couplers, spigot pins and baseplates for use in falsework and scaffolds Plain base plates and spigot pins. Requirements and test procedures
08/30171944 DC : DRAFT JAN 2008 BS EN 12812 - FALSE WORK - PERFORMANCE REQUIREMENTS AND GENERAL DESIGN
I.S. EN 16031:2012 ADJUSTABLE TELESCOPIC ALUMINIUM PROPS - PRODUCT SPECIFICATIONS, DESIGN AND ASSESSMENT BY CALCULATION AND TESTS
I.S. EN 74-2:2008 COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 2: SPECIAL COUPLERS - REQUIREMENTS AND TEST PROCEDURES
UNI EN 74-3 : 2007 COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 3: PLAIN BASE PLATES AND SPIGOT PINS - REQUIREMENTS AND TEST PROCEDURES
DIN EN 12812:2008-12 FALSEWORK - PERFORMANCE REQUIREMENTS AND GENERAL DESIGN
ONORM EN 74-2 : 2009 COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 2: SPECIAL COUPLERS - REQUIREMENTS AND TEST PROCEDURES
UNI EN 13374 : 2013 TEMPORARY EDGE PROTECTION SYSTEMS - PRODUCT SPECIFICATION - TEST METHODS
UNI EN 12812 : 2008 FALSEWORK - PERFORMANCE REQUIREMENTS AND GENERAL DESIGN
DIN EN 74-3:2007-07 Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 3: Plain base plates and spigot pins - Requirements and test procedures
DIN 4420-3:2006-01 SERVICE AND WORKING SCAFFOLDS - PART 3: SELECTED TYPES OF SCAFFOLDING CONSTRUCTIONS AND THEIR BASIC VERSIONS
EN 13374:2013 TEMPORARY EDGE PROTECTION SYSTEMS - PRODUCT SPECIFICATION - TEST METHODS
11/30250535 DC : DRAFT DEC 2011 BS EN 13374 - TEMPORARY EDGE PROTECTION SYSTEMS - PRODUCT SPECIFICATION - TEST METHODS
UNI EN 16031 : 2012 ADJUSTABLE TELESCOPIC ALUMINIUM PROPS - PRODUCT SPECIFICATIONS, DESIGN AND ASSESSMENT BY CALCULATION AND TESTS
BS EN 12812:2008 Falsework. Performance requirements and general design
BS EN 13374 : 2013 TEMPORARY EDGE PROTECTION SYSTEMS - PRODUCT SPECIFICATION - TEST METHODS
EN 74-2:2008 Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 2: Special couplers - Requirements and test procedures
EN 74-3:2007 Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 3: Plain base plates and spigot pins - Requirements and test procedures
EN 16031:2012 Adjustable telescopic aluminium props - Product specifications, design and assessment by calculation and tests
09/30211977 DC : 0 BS EN 16031 - ADJUSTABLE TELESCOPIC ALUMINIUM PROPS - PRODUCT SPECIFICATIONS, DESIGN AND ASSESSMENT BY CALCULATION AND TESTS
DIN EN 74-2:2009-01 Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 2: Special couplers - Requirements and test procedures
UNE-EN 16031:2013 Adjustable telescopic aluminium props - Product specifications, design and assessment by calculation and tests

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
ISO 965-5:1998 ISO general purpose metric screw threads — Tolerances — Part 5: Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing
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
ISO 965-2:1998 ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality
EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
ISO 965-4:1998 ISO general purpose metric screw threads Tolerances Part 4: Limits of sizes for hot-dip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing
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)
ISO 965-1:2013 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data
EN 12810-1:2003 Façade scaffolds made of prefabricated components - Part 1: Products specifications
ISO 965-3:1998 ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threads
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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