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1、BRITISH STANDARD BS EN 13480-4:2002 Incorporating Corrigenda Nos. 1 and 2 Metallic industrial piping Part 4: Fabrication and installation The European Standard EN 13480-4:2002 has the status of a British Standard ICS 23.040.01 ? BS EN 13480-4:2002 This British Standard, having been prepared under th
2、e direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 4 July 2002 ISBN 0 580 39878 1 National foreword This British Standard is the official English language version of EN 13480-4:2002. It partially su
3、persedes BS 806:1993 which will be withdrawn on the publication of BS EN 13480 Parts 1, 2, 3, 4 and 5. When the reference to this European Standard has been published in the Official Journal of the European Communities (OJ), compliance with it will confer a presumption of conformity with the essenti
4、al requirements covered by the standard in respect of the Pressure Equipment Directive. The UK participation in its preparation was entrusted to Technical Committee PVE/10, Industrial piping systems, which has the responsibility to: A list of organizations represented on this committee can be obtain
5、ed on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of
6、 the BSI Electronic Catalogue or of British Standards Online. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or propos
7、als for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 45 and a back cover. BSI 2006 This publication does not
8、purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 16365 Corrigendum No. 1 31 Augu
9、st 2006CEN correction notice issued replacing pages 2, 14, 17 and 29. 16636 Corrigendum No. 2 29 September 2006 Incorporation of CEN Correction Notice incorporating the replacement of pages 6 and 23. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13480-4 May 2002 ICS 23.040.01 English version
10、Metallic industrial piping - Part 4: Fabrication and installation Tuyauteries industrielles mtalliques - Partie 4: Fabrication et installation Metallische industrielle Rohrleitungen - Teil 4: Fertigung und Verlegung This European Standard was approved by CEN on 23 May 2002. CEN members are bound to
11、comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Managem
12、ent Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the off
13、icial versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATI
14、ON COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13480-4:2002 E EN 13480-4:2002 (E) Issue 6 (2006-03) 2 Cont
15、ents Foreword5 1Scope 6 2Normative references 6 3Terms and definitions7 4Symbols7 5General7 5.1Requirements on the manufacturer.7 5.2Requirements on fabricators and installers of piping and supports .7 5.3Requirements for fabrication and installation8 5.4Classification of piping .8 5.5Material group
16、ing.8 5.6Tolerances9 6Cutting and bevelling 9 6.1General9 6.2Transfer of marking for pressure parts .9 7Bending and other forming.9 7.1General9 7.2Heat treatment after cold forming12 7.2.1Flat products 12 7.2.2Pipes12 7.3Heat treatment after hot forming14 7.3.1Material groups 1, 3, 4, 5 and 6.14 7.3
17、.2Material groups 8.1 and 8.2.14 7.3.3Heat treatment after hot forming for material group 10.17 7.3.4Heat treatment after hot forming for clad materials .17 7.4Tolerances17 7.4.1Out-of-roundness of bends under internal pressure equal to, or greater than, the external pressure17 7.4.2Out-of-roundness
18、 of bends under external pressure and vacuum18 7.4.3Waves at bends18 7.4.4Start-up bulge of induction bends .19 7.5Surface finish .20 8Installation of piping20 8.1Fixing and alignment.20 8.2Field run piping21 8.3Flanged or similar mechanical connections.22 EN 13480-4:2002 (E) Issue 1 (2002-05) 3 8.3
19、.1Flange connections.22 8.3.2Threaded connections.23 8.3.3Couplings and compression fittings .23 8.4Protection of ends of piping components.23 9Welding.23 9.1Welding personnel.23 9.2Welding procedure specifications.23 9.3Welding processes24 9.3.1Verification of suitability.24 9.3.2Application .24 9.
20、4Filler metals and auxiliary materials24 9.5Climatic conditions25 9.6Cleaning before and after welding.25 9.7Weld joint preparation.25 9.8Edge protection25 9.9Assembly for welding25 9.10Earthing 26 9.11Execution of welded joints .26 9.11.1Preheating 26 9.11.2Striking marks26 9.11.3Fillet-weld connec
21、tions.26 9.11.4Dissimilar joints.27 9.12Backing rings.27 9.13Attachments.27 9.13.1General27 9.13.2Temporary attachments27 9.13.3Permanent attachments27 9.14Post-weld heat treatment28 9.14.1General28 9.14.2Equipment 31 9.14.3Temperature measurements.31 9.14.4Controlling thickness31 9.14.5Rate of heat
22、ing.33 9.14.6Local heat treatment33 9.14.7Insulation34 9.15Weld identification.34 10Adjustment and repair.34 10.1General34 10.2Adjustment.34 10.2.1General34 EN 13480-4:2002 (E) Issue 1 (2002-05) 4 10.2.2Adjustments by means of heat.35 10.2.3Adjustment by welding35 10.2.4Adjustment by local forging .
23、35 10.3Weld repair35 11Marking and documentation.35 11.1Marking of spools and components for installation 35 11.2Marking of installed piping .36 11.2.1General36 11.2.2Marking .36 11.3Final documentation package 36 12Additional requirements37 12.1Cleaning37 12.2Temporary preservation37 12.3External c
24、orrosion protection.37 12.4Thermal and acoustic insulation37 12.5Connections for static electricity.37 Annex A (informative) Contamination and surface quality of stainless steel39 Annex B (normative) Dimensional tolerances for fabricated spools 42 Annex ZA (informative) Clauses of this European Stan
25、dard addressing essential safety requirements or other provisions of EU directives44 Bibliography45 EN 13480-4:2002 (E) Issue 1 (2002-05) 5 Foreword This document (EN 13480-4:2002) has been prepared by Technical Committee CEN/TC 267 “Industrial piping and pipelines“, the secretariat of which is held
26、 by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2002, and conflicting national standards shall be withdrawn at the latest by November 2002. This document has been prepared unde
27、r a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document. In this standard the Annex A is informativ
28、e and the Annex B is normative. This European Standard EN 13480 for metallic industrial piping consists of seven interdependent and not dissociable parts which are : ? Part 1 : General. ? Part 2 : Materials. ? Part 3 : Design. ? Part 4 : Fabrication and installation. ? Part 5 : Inspection and testin
29、g. ? Part 6 : Additional requirements for buried piping. CEN/TR 13480-7, Guidance on the use of conformity assessment procedures. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria,
30、 Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. EN 13480-4:2002 (E) Issue 1 (2002-05) 6 1 Scope This Part of this European Standard specifies the require
31、ments for fabrication and installation of piping systems, including supports, designed in accordance with EN 13480-3. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate
32、 places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication
33、 referred to applies (including amendments). EN 287-1:2004, Qualification test of welders Fusion welding Part 1: Steels. EN 288-2, Specification and approval of welding procedures for metallic materials Part 2 : Welding procedure specification for arc welding. EN 288-3, Specification and approval of
34、 welding procedures for metallic materials Part 3 : Welding procedure tests for the arc welding of steels. EN 288-5, Specification and approval of welding procedures for metallic materials Part 5 : Approval by using approved welding consumables for arc welding. EN 288-6, Specification and approval o
35、f welding procedures for metallic materials Part 6 : Approval related to previous experience. EN 288-7, Specification and approval of welding procedures for metallic materials Part 7 : Approval by a standard welding procedure for arc welding. EN 288-8, Specification and approval of welding procedure
36、s for metallic materials Part 8 : Approval by a pre- production welding test. EN 1418, Welding personnel Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials EN 10088-1, Stainless steels Part 1 : List of
37、 stainless steels. EN 10204:1991, Metallic materials Types of inspection documents. EN 13480-1, Metallic industrial piping Part 1: General. EN 13480-3, Metallic industrial piping Part 3: Design and calculation. EN 13480-5:2002, Metallic industrial piping Part 5: Inspection and testing. EN ISO 13920:
38、1996, Welding General tolerances for welded constructions Dimensions for lengths and angles - Shape and position (ISO 13920:1996). EN 13480-4:2002 (E) Issue 1 (2002-05) 7 CR ISO 15608:2000, Welding Guidelines for a metallic material grouping system (ISO/TR 15608:2000). EN 24063, Welding, brazing, so
39、ldering and braze welding of metals - Nomenclature of processes and reference numbers for symbolic representation on drawings (ISO 4063:1990). EN 25817, Arc-welded joints in steel - Guidance on quality levels for imperfections (ISO 5817:1992). 3 Terms and definitions For the purposes of this Part of
40、 this European Standard, the terms and definitions given in EN 13480-1 together with the following apply. 3.1 field run piping piping installed without preplanning by drawings of the piping routing and the support points NOTETypical dimensions are DN 50 or smaller. 3.2 spool (with or without overlen
41、gth) prefabricated assembly of components which forms part of a piping system 3.3 cold forming 3.3.1 cold forming for ferritic steels forming at temperatures 20 C to 30 C below the maximum permissible temperature for post-weld heat treatment in accordance with Table 9.14.1-1 3.3.2 cold forming for a
42、ustenitic steels forming at temperatures below 300 C 3.4 hot forming for ferritic steels, forming at temperatures at or above the maximum permissible temperature for post-weld heat treatment in accordance with Table 9.14.1-1 4 Symbols For the purposes of this Part of this European Standard, the symb
43、ols given in EN 13480-1 apply. Additional symbols are defined in appropriate clauses of this Part. 5 General 5.1 Requirements on the manufacturer The manufacturer shall be responsible for the fabrication and the installation, even if this work will be sub- contracted. 5.2 Requirements on fabricators
44、 and installers of piping and supports 5.2.1The fabricators and/or installers shall ensure the correct transport, handling, storage, fabrication and installation of all piping components including supports. EN 13480-4:2002 (E) Issue 1 (2002-05) 8 5.2.2The fabricators and installers shall have access
45、 to facilities which enable them to handle the piping components including supports correctly and to carry out the required tests. 5.2.3The fabricators and/or installers shall employ their own responsible supervisors and competent personnel. If sub-contractors are employed, the fabricator and/or ins
46、taller shall remain responsible for their competence and the compliance with this European Standard. 5.2.4All stages of fabrication and installation shall be supervised in such a way as to maintain the design integrity of the finished system. 5.2.5Co-ordination between those responsible for design a
47、nd those responsible for fabrication and/or installation shall be maintained at all times, to ensure that fabrication and installation is carried out in accordance with the design specification. 5.3 Requirements for fabrication and installation 5.3.1Prior to any operation, a check shall be made to e
48、nsure that the spools and components supplied are in accordance with the relevant documents (specifications, drawings, certificates etc.). 5.3.2Prefabricated spools and components shall be protected during handling, transport, and storage. 5.3.3When joining spools or components, they shall not be st
49、rained nor deformed other than as may be required by the design. Designers installation instructions, if any, shall be observed. NOTE5.3.3 is deemed to be fulfilled, when the quality characteristics of the material are not impaired by cold or hot forming, e.g. by cutting, grinding, straightening or bending, of the pipes and when the different pipes have been joined such that stresses and deformations which can impair the safety of the piping are excluded. 5.3.4Any tempo