BS EN 12007-3-2015 Gas infrastructure Pipelines for maximum operating pressure up to and including 16 bar Specific functional requirements for steel《天然气基础设施 最大工作压力达到和超过16巴的管线 钢特定功能.pdf

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1、BSI Standards PublicationBS EN 12007-3:2015Gas infrastructure Pipelinesfor maximum operatingpressure up to and including 16barPart 3: Specific functional requirements for steelBS EN 12007-3:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12007-3:2015.It sup

2、ersedes BS EN 12007-3:2000 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GSE/33, Gas supply.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessary

3、provisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580 77935 0ICS 23.040.10; 75.200; 77.140.75Compliance with a British Standard cannot confer immunity fromlegal obligations.This Britis

4、h Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 12007-3:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12007-3 May 2015 ICS 23.040.10 Supersedes EN 1200

5、7-3:2000English Version Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 3: Specific functional requirements for steel Infrastructures gazires - Canalisations pour pression maximale de service infrieure ou gale 16 bar - Partie 3: Exigences fonctionnelle

6、s spcifiques pour lacier Gasinfrastruktur - Rohrleitungen mit einem maximal zulssigen Betriebsdruck bis einschlielich 16 bar - Teil 3: Besondere funktionale Anforderungen fr Stahl This European Standard was approved by CEN on 12 March 2015. CEN members are bound to comply with the CEN/CENELEC Intern

7、al 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 CEN-CENELEC Management Centre or to any C

8、EN 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 CEN-CENELEC Management Centre has the same status as the official vers

9、ions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

10、Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitat

11、ion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12007-3:2015 EBS EN 12007-3:2015EN 12007-3:2015 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms and definitions .7 4 Design .7 4.1 General requirements for selection of steel materials

12、.7 4.1.1 General 7 4.1.2 Quality level 8 4.1.3 Weldability 8 4.1.4 Impact energy .9 4.1.5 Inspection documents for components 9 4.2 Pipes and fittings .9 4.2.1 Steel pipes 9 4.2.2 Fittings . 10 4.3 Insulating joints 10 4.3.1 Type test 10 4.3.2 Strength test 10 4.3.3 Tightness test 11 4.3.4 Electrica

13、l test . 11 4.3.5 Inspection documents 11 4.4 Valves . 11 4.5 Corrosion protection 11 4.5.1 General . 11 4.5.2 Passive corrosion protection 11 4.5.3 Active corrosion protection . 12 4.6 Jointing methods 12 4.6.1 Welding joints . 12 4.6.2 Flanged joints 12 4.6.3 Threaded joints . 12 4.6.4 Compression

14、 joints 12 5 Construction 13 5.1 Handling, transportation and storage. 13 5.2 Laying 13 5.2.1 General . 13 5.2.2 Pipe stringing 13 5.2.3 Deflection . 13 5.2.4 Connections to other plant 14 5.2.5 Valves . 14 5.2.6 Boring, jacking and impact moling . 14 5.3 Construction records . 14 6 Coating inspecti

15、on 15 7 Pressure testing 15 Annex A (informative) Handling, transportation and storage 16 A.1 Safety . 16 A.2 Handling . 16 BS EN 12007-3:2015EN 12007-3:2015 (E) 3 A.3 Transportation . 17 A.4 Storage . 17 Annex B (informative) Deflection of pipes 19 Annex C (informative) Calculation of wall thicknes

16、s 20 Annex D (informative) Significant technical changes between this European Standard and the previous edition . 21 Bibliography 23 BS EN 12007-3:2015EN 12007-3:2015 (E) 4 Foreword This document (EN 12007-3:2015) has been prepared by Technical Committee CEN/TC 234 “Gas infrastructure”, the secreta

17、riat of which is held by DIN. 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 2015, and conflicting national standards shall be withdrawn at the latest by November 2015. Attention is draw

18、n to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12007-3:2000. Annex D provides details of significant technical changes bet

19、ween this European Standard and the previous edition. There is a complete suite of functional standards prepared by CEN/TC 234 “Gas infrastructure“ to cover all parts from the input of gas to the transmission system up to the inlet connection of the gas appliances, whether for domestic, commercial o

20、r industrial purposes. In preparing this standard, a basic understanding of gas infrastructure by the user has been assumed. Gas infrastructure is complex and the importance on safety of its construction and use has led to the development of very detailed codes of practice and operating manuals in t

21、he member countries. These detailed statements embrace recognized standards of gas engineering and the specific requirements imposed by the legal structures of the member countries. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are

22、 bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Por

23、tugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12007-3:2015EN 12007-3:2015 (E) 5 1 Scope This European Standard describes the specific functional requirements for steel pipelines in addition to the general functional requirements of EN 12007-1 fo

24、r maximum operating pressures up to and including 16 bar. This European Standard specifies common basic principles for gas infrastructure. Users of this European Standard should be aware that more detailed national standards and/or codes of practice may exist in the CEN member countries. This Europe

25、an Standard is intended to be applied in association with these national standards and/or codes of practice setting out the above-mentioned basic principles. In the event of conflicts in terms of more restrictive requirements in national legislation/regulation with the requirements of this standard,

26、 national legislation/regulation takes precedence as illustrated in CEN/TR 13737 (all parts). CEN/TR 13737 (all parts) gives: clarification of all legislation/regulations applicable in a member state; if appropriate, more restrictive national requirements; a national contact point for the latest inf

27、ormation. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including

28、 any amendments) applies. EN 1092-1, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 1: Steel flanges EN 1514-1, Flanges and their joints Dimensions of gaskets for PN-designated flanges Part 1: Non-metallic flat gaskets with or without insert

29、s EN 1514-2, Flanges and their joints Gaskets for PN-designated flanges Part 2: Spiral wound gaskets for use with steel flanges EN 1514-3, Flanges and their joints Dimensions of gaskets for PN-designated flanges Part 3: Non-metallic PTFE envelope gaskets EN 1514-4, Flanges and their joints Dimension

30、s of gaskets for PN-designated flanges Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges EN 1515-1, Flanges and their joints Bolting Part 1: Selection of bolting EN 1515-2, Flanges and their joints Bolting Part 2: Classification of bolt materials for

31、 steel flanges, PN designated EN 1591-1, Flanges and their joints Design rules for gasketed circular flange connections Part 1: Calculation EN 1591-2, Flanges and their joints Design rules for gasketed circular flange connections Part 2: Gasket parameters BS EN 12007-3:2015EN 12007-3:2015 (E) 6 EN 1

32、594, Gas infrastructure Pipelines for maximum operating pressure over 16 bar Functional requirements EN 1759-1, Flanges and their joint Circular flanges for pipes, valves, fittings and accessories, Class designated Part 1: Steel flanges, NPS 1/2 to 24 EN 10204, Metallic products Types of inspection

33、documents EN 10226-1, Pipe threads where pressure tight joints are made on the threads Part 1: Taper external threads and parallel internal threads Dimensions, tolerances and designation EN 10255, Non-Alloy steel tubes suitable for welding and threading Technical delivery conditions EN 12007-1, Gas

34、infrastructure Pipelines for maximum operating pressure up to and including 16 bar Part 1: General functional requirements EN 12327, Gas infrastructure Pressure testing, commissioning and decommissioning procedures Functional requirements EN 12560-1, Flanges and their joints Gaskets for Class-design

35、ated flanges Part 1: Non-metallic flat gaskets with or without inserts EN 12560-2, Flanges and their joints Dimensions of gaskets for Class-designated flanges Part 2: Spiral wound gaskets for use with steel flanges EN 12560-3, Flanges and their joints Gaskets for Class-designated flanges Part 3: Non

36、-metallic PTFE envelope gaskets EN 12560-4, Flanges and their joints Gaskets for Class-designated flantes Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges EN 12560-5, Flanges and their joints Gaskets for Class-designated flanes Part 5: Metallic ring

37、 joint gaskets for use with steel flanges EN 12732, Gas infrastructure Welding steel pipework Functional requirements EN 12954, Cathodic protection of buried or immersed metallic structures General principles and application for pipelines EN 13509, Cathodic protection measurement techniques EN 13774

38、, Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar Performance requirements EN 15257, Cathodic protection Competence levels and certification of cathodic protection personnel EN 50162, Protection against corrosion by stray current from direct current s

39、ystems EN 15280, Evaluation of a.c. corrosion likelihood of buried pipelines applicable to cathodically protected pipelines EN ISO 3183, Petroleum and natural gas industries Steel pipe for pipeline transportation systems (ISO 3183) BS EN 12007-3:2015EN 12007-3:2015 (E) 7 3 Terms and definitions For

40、the purposes of this document, the terms and definitions given in EN 12007-1 and the following apply. 3.1 compressor joint type of joint in which gas tightness is achieved by compression within a socket with or without a seal 3.2 threaded joint type of joint in which gas tightness is achieved by met

41、al to metal contact within threads with the assistance of a sealant 3.3 flanged joint type of joint in which gas tightness is achieved by compression of a gasket between the faces of two flanges 3.4 insulating joint fitting installed to insulate electrically one section of pipeline from another 4 De

42、sign 4.1 General requirements for selection of steel materials 4.1.1 General Steel pipes and other pipeline components shall conform to the relevant European or International Standards. Steel pipe material shall comply with EN ISO 3183 or other suitable European Standards. Steel types or grades othe

43、r than those listed in EN ISO 3183 may also be used when their suitability has been demonstrated. The requirements of EN ISO 3183 shall be used for guidance in establishing material properties. Table 1 gives informative examples of the range of the steel grades available. BS EN 12007-3:2015EN 12007-

44、3:2015 (E) 8 Table 1 Examples of the range of steel grades available MOP Standard Steel grade Supply condition Charpy KvJ Minimum yield strength MPa 5 bar prEN 10255:2015 S235GT - - 235 16 bar EN ISO 3183 L245 L290 L320 L360 PSL2 In all cases, either R/ N/ Q/ M as applicable 27J 0 C 245 290 320 360

45、16 bar EN 10216-1 P235TR2 P265TR2 Either NP/ NW/ NR as applicable 27J 0 C 235 265 16 bar EN 10217-1 P235TR2 P265TR2 Either NP/ NW/ NR as applicable 27J 0 C 235 265 16 bar EN 10216-2 P235GH P265GH Either +N/ NP/ NW/ NR as applicable 27J 0 C 235 265 16 bar EN 10217-2 P235GH P265GH Either +N/ NP/ NW/ N

46、R as applicable 27J 0 C 235 265 Key PSL product specification level (see EN ISO 3183, 6.1.2) R as rolled (see EN ISO 3183, 4.2 and Table 3) M thermomechanically rolled or formed (see EN ISO 3183, 4.63, 4.64 and Table 3) N full pipe normalized, normalized rolled or normalized formed (see EN 10216-2,

47、Table 1) normalizing forming +N full pipe normalized, normalized rolled or normalized formed (see EN 10216-2, Table 1) NP pipe full body normalized (see EN 10217-1/ EN 10217-2, Table 1) NR pipe normalized rolled or hot (stretch) reduced within the normalizing temperature range (see EN 10217-1/ EN 10

48、217-2, Table 1) NW pipe normalized only in weld zone (see EN 10217-1/ EN 10217-2, Table 1) Q quenched and tempered (see EN ISO 3183, 4.5 and Table 3) 4.1.2 Quality level The quality level as defined by the relevant standards for other pipeline components shall be compatible with the quality level of

49、 the pipes. EXAMPLE For welding and jointing purposes. Steel pipes shall be qualified with respect to their strength, fracture toughness and weldability. 4.1.3 Weldability Pipes and other pipeline components shall be capable of being welded reliably under site conditions. To meet the weldability criteria, the value of the carbon equivalent value (CEV) of pipes and other pipeline components, based on the steel ladle analysis, shall be less than or

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