I.S. EN ISO 10423:2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 Design and performance - General requirements
5 Materials - General requirements
6 Welding - General requirements
7 Quality control
8 Equipment marking
9 Storing and shipping
10 Equipment-specific requirements
11 Repair and remanufacture
Annex A (informative) - Purchasing guidelines
Annex B (informative) - USC unit tables and data for this
                        International Standard
Annex C (informative) - Method of calculating stud bolt lengths
                        for type 6B and 6BX flanges
Annex D (informative) - Recommended flange bolt torque
Annex E (informative) - Recommended weld preparation design
                        dimensions
Annex F (informative) - Design validation procedures
Annex G (informative) - Design and rating of equipment for
                        use at elevated temperatures
Annex H (normative) - Design and manufacture of surface
                      wellhead running, retrieving and testing
                      tools, clean-out tools and wear bushings
Annex I (normative) - Design validation procedures for surface
                      safety valves and underwater safety valves
Annex J (normative) - Repair and remanufacture requirements
Annex K (informative) - Recommended specifications for top
                        connectors for christmas trees
Annex L (normative) - Specifications for valve-removal
                      preparations, valve-removal plugs and
                      handling tools
Annex M (informative) - Qualification of heat-treating
                        equipment
Annex N (informative) - List of tables and list of figures
Bibliography