EN 12952-6-2011 en Water-tube boilers and auxiliary installations - Part 6 Inspection during construction documentation and marking of pressure parts of the boiler《水管锅炉和辅助装置 第6部分 建.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 12952-6:2011Water-tube boilers andauxiliary installationsPart 6: Inspection during construction;documentation and marking of pressureparts of the boilerBS EN 12952-6:2011 B

2、RITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12952-6:2011.It supersedes BS EN 12952-6:2002 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PVE/2, Water Tube And Shell Boilers.A list of organizations represented on

3、 this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 63556 4ICS 23.020.01; 27.040; 27.060.30Compliance with a British Standard cannot

4、 confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2011.Amendments issued since publicationDate Text affectedBS EN 12952-6:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12952-6 August 20

5、11 ICS 27.040 Supersedes EN 12952-6:2002English Version Water-tube boilers and auxiliary installations - Part 6: Inspection during construction; documentation and marking of pressure parts of the boiler Chaudires tubes deau et installations auxiliaires - Partie 6: Contrles en cours de construction,

6、documentation et marquage des parties sous pression de la chaudire Wasserrohrkessel und Anlagenkomponenten - Teil 6: Prfung whrend der Fertigung, Dokumentation und Kennzeichnung fr drucktragende Kesselteile This European Standard was approved by CEN on 25 June 2011. CEN members are bound to comply w

7、ith 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 CEN-CENELEC Man

8、agement 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 CEN-CENELEC Management Centre has the same s

9、tatus as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portu

10、gal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means

11、reserved worldwide for CEN national Members. Ref. No. EN 12952-6:2011: EBS EN 12952-6:2011EN 12952-6:2011 (E) 2 Contents Page Foreword 31 Scope 52 Normative references 53 Terms and definitions .64 General organisation .64.1 General 64.2 Conformity assessment 64.3 Competency of the manufacturer 64.4

12、Calibration of equipment 64.5 Inspection activities 75 Non-destructive testing (NDT) of parent materials . 106 Qualification of welding procedure specification . 106.1 General . 106.2 Application of EN ISO 15614-1 107 Welder and welding operator qualification 128 Production test plates for drums 138

13、.1 General . 138.2 Number of production test plates . 138.3 Tests required . 138.4 Acceptance criteria . 148.5 Non-conformance of results 159 Non-destructive testing of welds 169.1 Type and extent of non-destructive testing . 169.2 Qualification of non-destructive testing (NDT) personnel 209.3 The d

14、etection of surface imperfections . 209.4 Testing for volumetric imperfections . 239.5 Non-destructive testing reports 2710 Final inspection . 2810.1 Visual and dimensional examinations 2810.2 Hydrostatic pressure test 2811 Documentation 2912 Marking 30Annex A (normative) Special requirements for co

15、mposite tubes . 31Annex B (informative) Significant technical changes between this European Standard and the previous edition 34Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC . 35Bibliography . 36BS EN 12952-6:2011EN 12952-6

16、:2011 (E) 3 Foreword This document (EN 12952-6:2011) has been prepared by Technical Committee CEN/TC 269 “Shell and water-tube boilers”, the secretariat 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

17、endorsement, at the latest by February 2012, and conflicting national standards shall be withdrawn at the latest by February 2012. Attention is drawn 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 fo

18、r identifying any or all such patent rights. This document supersedes EN 12952-6:2002. This document has been prepared under 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 Dir

19、ective 97/23/EC, see informative Annex ZA, which is an integral part of this document. Annex B provides details of significant technical changes between this European Standard and the previous edition. The European Standard series EN 12952 concerning water-tube boilers and auxiliary installations co

20、nsists of the following parts: Part 1: General; Part 2: Materials for pressure parts of boilers and accessories; Part 3: Design and calculation for pressure parts; Part 4: In-service boiler life expectancy calculations; Part 5: Workmanship and construction of pressure parts of the boiler; Part 6: In

21、spection during construction, documentation and marking of pressure parts of the boiler; Part 7: Requirements for equipment for the boiler; Part 8: Requirements for firing systems for liquid and gaseous fuels for the boiler; Part 9: Requirements for firing systems for pulverized solid fuels for the

22、boiler; Part 10: Requirements for safeguards against excessive pressure; Part 11: Requirements for limiting devices of the boiler and accessories; Part 12: Requirements for boiler feedwater and boiler water quality; Part 13: Requirements for flue gas cleaning systems; BS EN 12952-6:2011EN 12952-6:20

23、11 (E) 4 Part 14: Requirements for flue gas DENOX-systems using liquefied pressurized ammonia and ammonia water solution; Part 15: Acceptance tests; Part 16: Requirements for grate and fluidized-bed firing systems for solid fuels for the boiler; CR 12952 Part 17: Guideline for the involvement of an

24、inspection body independent of the manufacturer. NOTE 1 A Part 18 on operating instructions is currently in preparation. Although these parts may be obtained separately, it should be recognized that the parts are inter-dependent. As such, the design and manufacture of water-tube boilers requires the

25、 application of more than one part in order for the requirements of the European Standard to be satisfactorily fulfilled. NOTE 2 Part 4 and Part 15 are not applicable during the design, construction and installation stages. NOTE 3 A “Boiler Helpdesk“ has been established in CEN/TC 269 which may be c

26、ontacted for any questions regarding the application of European Standards series EN 12952 and EN 12953, see the following website: http:/www.boiler-helpdesk.din.de According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impleme

27、nt this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switz

28、erland and the United Kingdom. BS EN 12952-6:2011EN 12952-6:2011 (E) 5 1 Scope This European Standard specifies requirements for the inspection during construction, documentation and marking of water-tube boilers as defined in EN 12952-1. 2 Normative references The following referenced documents are

29、 indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 287-1:2004, Qualification test of welders Fusion welding Part 1: Steels EN 473:2008,

30、 Non-destructive testing Qualification and certification of NDT personnel General principles EN 571-1, Non-destructive testing Penetrant testing Part 1: General principles EN 1321, Destructive tests on welds in metallic materials Macroscopic and microscopic examination of welds EN 1418:1997, Welding

31、 personnel Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials EN 1435, Non-destructive testing of welds Radiographic testing of welded joints EN 12952-1:2001, Water-tube boilers and auxiliary installat

32、ions Part 1: General EN 12952-2, Water-tube boilers and auxiliary installations Part 2: Materials for pressure parts of boilers and accessories EN 12952-3:2011, Water-tube boilers and auxiliary installations Part 3: Design and calculation for pressure parts EN 12952-5:2011, Water-tube boilers and au

33、xiliary installations Part 5: Workmanship and construction of pressure parts of the boiler EN ISO 148-1:2010, Metallic materials Charpy pendulum impact test Part 1: Test method (ISO 148-1:2009) EN ISO 5817, Welding Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding exclud

34、ed) Quality levels for imperfections (ISO 5817:2003, corrected version:2005, including Technical Corrigendum 1:2006) EN ISO 6520-1, Welding and allied processes Classification of geometric imperfections in metallic materials Part 1: Fusion welding (ISO 6520-1:2007) EN ISO 11666, Non-destructive test

35、ing of welds Ultrasonic testing Acceptance levels (ISO 11666:2010) EN ISO 15613:2004, Specification and qualification of welding procedure for metallic materials Qualification based on pre-production welding test (ISO 15613:2004) EN ISO 15614-1:2004, Specification and qualification of welding proced

36、ures for metallic materials Welding procedure test Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1:2004) EN ISO 17637, Non-destructive testing of welds - Visual testing of fusion-welded joints (ISO 17637:2003) BS EN 12952-6:2011EN 12952-6:2011 (E) 6 EN

37、ISO 17638, Non-destructive testing of welds Magnetic particle testing (ISO 17638:2003) EN ISO 17640, Non-destructive testing of welds Ultrasonic testing Techniques, testing levels, and assessment (ISO 17640:2010) EN ISO 23277, Non-destructive testing of welds - Penetrant testing of welds - Acceptanc

38、e levels (ISO 23277:2006) EN ISO 23278, Non-destructive testing of welds Magnetic particle testing of welds Acceptance levels (ISO 23278:2006) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12952-1:2001 and the following apply. 3.1 inspection conform

39、ity evaluation by observation and judgement accompanied as appropriate by measurement, testing or gauging EN ISO 9000:2005 4 General organisation 4.1 General The manufacturer shall be responsible for ensuring the boiler conforms to the requirements of this European Standard. Conformance shall be con

40、firmed by completing a series of inspection activities as detailed in Table 4.5-1. Except where explicitly stated otherwise in this European Standard, inspection activities applicable to a manufacturers works shall also be applicable to operations carried out on a construction site. 4.2 Conformity a

41、ssessment Guidance in the use of the conformity assessment procedures is given in EN 12952-1:2001, Annex A. 4.3 Competency of the manufacturer If an assessment of the competency of the manufacturer is required, guidance is given in EN 12952-5:2011, Annex F. 4.4 Calibration of equipment The manufactu

42、rer shall establish procedures to ensure that tools, gauges, instruments and other measuring and testing devices used in the manufacture and inspection activities affecting boiler product quality, are properly controlled, calibrated and adjusted at specific intervals, to maintain accuracy within def

43、ined limits. NOTE A system for calibration, e.g. in compliance with the EN ISO 9000 series, is be deemed to meet these requirements. BS EN 12952-6:2011EN 12952-6:2011 (E) 7 4.5 Inspection activities The manufacturer shall confirm that the boiler components, as a minimum, conform to the requirements

44、of this European Standard by performing and authenticating the activities listed in Table 4.5-1. NOTE Depending upon the conformity assessment module adopted, some of the inspection activities listed should also be assessed by a responsible authority. For the guidance of the manufacturer, the specif

45、ic involvement of such a responsible authority is indicated in CR 12952-17. BS EN 12952-6:2011EN 12952-6:2011 (E) 8 Table 4.5-1 List of inspection activities to be undertaken by the manufacturer Reference Area of activity Inspection operation 1 Design and general documentation 1.1 Design data/calcul

46、ations Ensure that the design data/calculations conform to: technical specifications, if applicable; the requirements of this European Standard. 1.2 Manufacturing drawings Ensure that drawing information conforms to: design data and calculations; technical specifications, if applicable; the requirem

47、ents of this European Standard. 1.3 Purchase specifications Ensure that material and component specifications conform to: technical specifications, if applicable; manufacturing drawings; the requirements of this European Standard. 1.4 Specifications for sub-contracted parts Ensure that the specifica

48、tion for sub-contracted parts conform to: technical specifications, if applicable; manufacturing drawings; the requirements of this European Standard. 2 Material 2.1 Material certificates Verify that certificate information and results conform to the design specification. 2.2 Welding consumables Ver

49、ify that the consumables to be used are in accordance with the design specification. 2.3 Material identification Identify the material with the material certificates and check the markings. 2.4 Transfer of identification marks Ensure that the transfer of identification marks is in accordance with the approved procedure. 2.5

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