1、BRITISH STANDARD PD CEN/TR 14549:2004 Guide to the use of ISO 15649 and ANSI/ASME B31.3 for piping in Europe in compliance with the Pressure Equipment Directive The European Standard CEN/TR 14549:2004 has the status of a British Standard ICS 75.200 PD CEN/TR 14549:2004 This British Standard was publ
2、ished under the authority of the Standards Policy and Strategy Committee on 4 April 2004 BSI 4 April 2004 ISBN 0 580 43580 6 National foreword This British Standard is the official English language version of CEN/TR 14549:2003. The UK participation in its preparation was entrusted by Technical Commi
3、ttee PSE/17, Materials and Equipment for Petroleum, Petrochemical and Natural Gas Industries, to Subcommittee PSE/17/-/6, Processing Equipment and Systems, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-ref
4、erences 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 the BSI Electronic Catalogue or of Briti
5、sh Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present
6、 to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the 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 ins
7、ide front cover, the CEN/TR title page, pages 2 to 54, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsTECHNICALREPORT RAPPORTTECHNIQUE TECHNISCHERBERICHT
8、 CEN/TR14549 March2004 ICS75.200 Englishversion GuidetotheuseofISO15649andANSI/ASMEB31.3forpiping inEuropeincompliancewiththePressureEquipmentDirective GuidepourlutilisationdelISO15649etlANSI/ASME B31.3pourlestuyauteriesenEuropeenrespectantla DirectiveEquipementssousPression ErdlundErdgasindustrienA
9、lternativefrmetallische industrielleRohrleitungen ThisTechnicalReportwasapprovedbyCENon21December2003.IthasbeendrawnupbytheTechnicalCommitteeCEN/TC12. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,
10、Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexplo
11、itationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.CEN/TR14549:2004:ECEN/TR14549:2004(E) 2 Contents Page 1 Scope 4 2 NormativeReferences .5 3 Termsanddefinitions. .6 4 General6 4.1 ScopeofthePED .6 4.2 Responsibilities6 4.3 Fluidgroups .6 4.4 Conformityassessmentcategories
12、.7 4.5 Conformityassessmentprocedures .9 4.6 Hazardanalysis. .10 5 Materials10 5.1 Materialselectionandappraisal .10 5.2 Materialcertification 11 6 Designandcalculation 11 6.1 Allowablestresses .11 6.2 Jointcoefficients 11 6.3 Isolation 11 7 Fabricationandinstallation 12 7.1 Permanentjoining(e.g.Wel
13、ding) .12 7.2 Traceability .12 7.3 Documentation.12 7.3.1 Markingandlabelling . .12 7.3.2 Operatinginstructions 13 7.3.3 Markingattakeoffpoints .13 7.3.4 Declarationofconformity . 13 8 Inspectionandtesting .13 8.1 Nondestructivetests . .13 8.2 Finalinspection 13 9 Safetydevices 14 AnnexA (informativ
14、e) ChecklistofmajoractionsarisingfromthePED15 AnnexB (informative) KeyarticlesinthePED 1 6 B.1 Introduction 16 B.2 TableofKeyArticlesinthePED 16 AnnexC (informative) Clausesofthisguideaddressingessentialrequirementsorotherprovisionsofthe PED21 AnnexD (informative) ComparisonofISO15649,ANSI/ASMEB31.3
15、andPEDannexI(EssentialSafety Requirements)23 D.1 Introduction 23 D.2 Comparisontables. 23 D.2.1 Contentsofeachtable 23 D.2.2 Howtousethetables . .24 AnnexE (informative) Sourcesoffurtherinformationandguidance.52 E.1 Establishedguidelines 52 E.1.1 General52 E.1.2 EuropeanCommission(CEC)guidelines 52
16、E.1.3 Otherguidelines .52 E.2 Othersourcesofinformation .52 E.2.1 Websites .52 E.2.2 PublishedGuidanceguidancedocuments . 53 E.2.3 Miscellaneoussources. .53 E.3 Abbreviations .53CEN/TR14549:2004(E) 3 Foreword ThisdocumentCEN/TR14549:2004hasbeenpreparedbyTechnicalCommitteeCEN/TC 12“Materials, equipme
17、ntandoffshorestructuresforpetroleumandnaturalgas”,thesecretariatofwhichisheldbyAFNOR. AnnexesA,B,C,DandEareinformative. TheEuropeanPressureEquipmentDirective(PED),Directive97/23/EC,enteredintoforceon29 th November1999 andhasbeenmandatorythroughoutallMemberStatesoftheEUandtherestoftheEuropeanEconomic
18、Area (EEA)on30 th May2002.TheprimepurposeofthePEDistoeliminatebarrierstotradewithoutdetrimenttosafety. InMay1985,EuropeanCommunityMinistersagreedona NewApproachtoTechnicalHarmonisationand StandardsinordertofulfiltheobjectiveofanopenmarketinEuropewithfreemovementofgoods. NewApproach Directivessuchast
19、hePEDsetoutessentialsafetyrequirementswhichmustbemet. ThisdocumenthasbeendevelopedinordertofacilitatePEDcompliancewithrespecttothecurrentindustry practiceforpipingthatisbasedonANSI/ASMEB31.3. ThisdocumentistechnicallyidenticaltotheEEMUApublication202anditsAmendment1publishedinMay2002. ThisCENTechnic
20、alReportcannotprovideapresumptionofconformitywiththePED,thereforetheessentialsafety requirementsofthePEDshouldbefollowedandseentobefollowedinfull. PEDIssuesandtheirsolutionsarecontinuingtodevelop,thereforeusers 1) *ofthisCENTechnicalReportare advisedtomakeuseofthereferencesprovidedinthisguide,inorde
21、rtokeepuptodateviainformationpublished ontheInternetWorldWideWeb. 1) Inthetextthatfollows,theterm“user“oftenreferstotheenduserofpressureequipment,ratherthantotheuserofthis Guide.Theprecisemeaningshouldbeclearfromthecontextinwhichtheternisused.CEN/TR14549:2004(E) 4 Introduction ThisGuideexplainshowto
22、useISO15649andANSI/ASMEB31.3whilealsocomplyingwiththeEuropean PressureEquipmentDirective(PED),forpipinginEuropeUnionandotherEEAcountries.ThisGuideisintended tofacilitatediscussionsbetweenowner/purchaser,manufacturer/designerandnotifiedbodyleadingtoconformity withthePEDinaconsistentmanner. Ingeneral,
23、thePEDactsasajurisdictionalregulationwithemphasisongeneralrequirements,whileforthedetails ofdesignandconstruction,referenceneedstobemadetoappropriateengineeringstandards.ANSI/ASMEB31.3 Codeisastandardaddressingdesign,fabrication,examinationandtestingofpipingsystems.Itsuseissubjectto contractualagree
24、mentsbetweentheownerandthemanufacturer/assemblerofapipingsystem.ThePEDdoes notprohibittheuseofANSI/ASMEB31.3(orindeedofanycode),howevertherequirementsspecifiedinthePED shouldbefulfilled. ReviewofANSI/ASMEB31.3againsttheArticlesandtheessentialsafetyrequirements(ESRs)ofthePEDhas shownthat: someArticle
25、sandESRsaresatisfiedbyANSI/ASMEB31.3; someArticlesandESRsarenotaddressedbyANSI/ASMEB31.3; someaspectsofANSI/ASMEB31.3differfromtheArticlesandESRs. ThePEDistransposedandtranslatedbyeachMemberStateintoitsnationallegislation.Usersareadvisedto reviewthetranslationimplementedintherelevantMemberStateinord
26、ertoensurefullregulatorycompliance.(The relevantdocumentintheUKis ThePressureEquipmentRegulations1999 ,SI1999No2001.)Nationallegislation canalsoincluderequirementsoutsidethescopeofthePED,forexampleforinserviceinspection. ThefulltextofthePEDcanbefoundattheEuropeanCommissionsPEDwebsite.TheEuropeanComm
27、issionalso publishesGuidelinesapprovedbytheCommissionsWorkingGroupPressure(WGP)that,whilenotlegally binding,areintendedtoprovidemoredetailonhowtoapplythePED.Referencesinthepresentdocumentto “Guidelinex/x“pertaintotheWGPGuidelines.SeealsoannexE. Europiahaspublishedaguidefortheoilindustryontheuseofthe
28、PEDwithparticularemphasisonrefinery operations,whilstEEMUAhaspublishedaguideforpurchasersofvalvesunderthePED(EEMUAPublication 196). NOTEONUNITOFPRESSURE ThroughoutthetextofthisGuide,“bar“signifiesgaugepressure(aboveatmospheric). 1Scope ThisGuideisintendedforuseinthepetroleum,petrochemicalandchemical
29、industries.Itidentifiesanddefinesa setofcommonadditionalandmodifiedrequirementstoISO15649andANSI/ASMEB31.3necessitatedbythe PED.Additionalguidanceisprovidedbyasuiteofannexes(AtoE)whichareintendedtobereadindependently, butinthecontextofthemaintext.Theseincludeanactionschecklist,tablesidentifyingkeyre
30、quirementsofthe PEDandthecorrespondingclausesoftheISO/ANSIASMEstandards,andsupplementaryinformation. ISO15649incorporatesANSI/ASMEB31.3bynormativereferenceandalsocontainsadditionalcommon internationalpractice.TherelationshipsareillustratedinFigure1.CEN/TR14549:2004(E) 5 Figure1Sketchofrelationship N
31、OTE ThescopeofthePEDitselfisdefinedtherein,inparticularinthePreambleandinArticle1. 2 NormativeReferences ThisTechnicalReportincorporatesbydatedorundatedreference,provisionsfromotherpublications.These referencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.Fordated refe
32、rences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisTechnicalReportonly whenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthepublication referredtoapplies(includingamendments). EN7644, PressureequipmentPart4:Establishmentoftechnicaldeliveryconditi
33、onsformetallicmaterials. EN10204, MetallicproductsTypesofinspectiondocuments. ISO15649:2001, PetroleumandnaturalgasindustriesPiping. Directive97/23/ECoftheEuropeanParliamentandoftheCouncilof29May1997ontheapproximationofthelaws oftheMemberStatesconcerningpressureequipment(publishedintheOfficialJourna
34、loftheEuropean CommunitiesNoL181,9.7.97).(Note:thefulltextofthePEDisonline,seeRef.4below). PEDInformationResourceCentreTheEuropeanCommissionDG-EnterprisewebsiteforthePED: http:/ GuidelinesrelatedtotheapplicationofthePressureEquipmentDirective97/23/EC,webpage: http:/ 6 EuropeanPressureEquipmentDirect
35、iveAguidefortheoilindustryEuropia.http:/ andconnectto“PressureEquipmentDirective”. ANSI/ASMEB31.3:1999,ProcessPiping(includingANSI/ASMEB31.3a2000Addenda). ASMEQAI1:1998,QualificationsforAuthorizedInspection. EEMUAPublication196,ValvesPurchasersGuidetothePED. 3 Termsanddefinitions Forthepurposesofthi
36、sTechnicalReport,thetermsanddefinitionsgiveninISO15649:2001,ANSI/ASME B31.3:1999andthePEDapply.PipingisdefinedinArticle1,subclause2.1.2ofthePEDapplied. 4General 4.1 ScopeofthePED ThePEDappliestothedesign,manufactureandconformityassessmentofpressureequipmentandassemblies withamaximumallowablepressure
37、greaterthan0,5bar.“Pressureequipment“meansvessels,piping,safety accessories(devicestopreventoverpressure,e.g.safetyvalves)andpressureaccessories(operationaldevices withpressurebearinghousings,e.g.valves).“Assemblies“meansseveralpiecesofpressureequipment assembledtoconstituteanintegratedandfunctional
38、whole(seeGuidelines3/8and3/9).Thisscopediffersfrom thescopeofANSI/ASMEB31.3,forexamplepipingsystemsforlessthan1barpressureandfornonflammable, nontoxicetc.serviceareexcludedfromANSI/ASMEB31.3. ThePEDappliestonewequipment.ForfurtherdetailsseethePEDPreambleandArticle1.Repairstopipingare notcoveredbythe
39、PED,butmaybecoveredbynationalregulations(Guideline1/3).Amodificationwherethe content,mainpurposeandsafetysystemsremainessentiallythesame,mayberegardedasnonimportantand outsidethescopeofthePED(Guideline1/4). Forfurtherguidanceonassemblies,seealsootherGuidelinesprefaced“3/“ 4.2Responsibilities ISO1564
40、9andANSI/ASMEB31.3specifyresponsibilitiesforowner,designer,manufacturerand fabricator/assembler.ANSI/ASMEB31.3doesnotaddresstheissueofthirdpartyinvolvement,thiswouldbea requirementofjurisdictionalregulations. However,underthePEDthe“manufacturer“isresponsiblefordesignincludingcertaindesignconditions,
41、for manufactureandforconformancewiththePED.ThemanufacturersresponsibilitiesasdefinedinthePEDcould falltoadesigner,animporter,anowner,oranengineeringcontractor.Theassigningofthemanufacturers responsibilitieswouldbeagreedbythepartiestoacontract,andmayneedtobedefinedforeachcomponentand assembly.(Forfur
42、therinformationontheresponsibilitiesofthemanufacturer,thereaderisreferredtothe EuropeanCommissionsGuidetotheImplementationofDirectivesbasedontheNewApproachandtheGlobal Approach.) 4.3Fluid groups ThemanufacturerisresponsibleforclassifyingthefluidasGroup1or2,asrequiredbyPEDArticle9,in accordancewithTa
43、ble1below.CEN/TR14549:2004(E) 7 Table1Fluidgroups Fluidgroup(GasorLiquid) Fluidsdefinedas Group1 e x p l o s i v e extremelyflammable highlyflammable flammable(wherethemaximumallowable temperatureisabovetheflashpoint) v e r y t o x i c t o x i c oxidizing Group2 AllotherfluidsnotinGroup1 Twophasefluidsshouldbetreatedasgases. Thefluidservicecategories(normalfluidservice,categoryD,categoryM)asdefinedinannexMofANSI/ASME B31.3:1999arenotd