石油化工有毒可燃介质管道工程施工及验收规范双语版

备案号：J249－2023SH中华人民共和国石油化工行业标准StandardforPetrochemicalIndustryofPRCSH3501－2023代替SH3501－2023SH3501-2023AsubstituteversionofSH3501-2023石油化工有毒、可燃介质管道工程施工及验收规范SpecificationforconstructionandacceptanceofhypertoxicandChineselanguageisthe"original"languageandifinconsistenciesexistbetweenEnglishandChineseversions,theChineseversiontakesprecedenceandtheChineseversionisthelegallybindingversion.原本以中文书就，假如英文和中文版本之间存在不一致，以中文版本为准，中文版本具有法律约束力。2023－02－09发布2023－05－01实行国家经济贸易委员会发布IssuedonFeb.9,2023ImplementedonMay1,2023IssuedbyStateEconomy&TradeCommission目次ListofContents前言……………Foreword1范围……………………Scope2规范性引用文献………………………Normativedocumentsquoted3总则……………………General4管道分级………………Pipelinegrading5管道组成件检查………………………Inspectionofconstituentelementsofpipeline5.1一般规定………………Generalspecifications5.2管子检查………………Inspectionofpipe5.3阀门检查………………Inspectionofvalve5.4其他管道组成件检查…………………Inspectionofconstituentelementsofotherpipes6管道预制及安装………………………Prefabricationandinstallationofpipeline6.1管道预制………………Prefabricationofpipeline6.2管道安装………………Installationofpipeline7管道焊接………………Weldingofpipeline7.1一般规定………………Generalspecifications7.2焊前准备与接头组对…………………Preparationandassemblyofjoints7.3焊接工艺规定…………Requirementforweldingprocedure7.4预热与热解决…………Preheatingandheattreatment7.5质量检查………………Qualityinspection8管道系统实验…………Testforpipingsystem8.1管道系统压力实验……………………Pressuretestforpipingsystem8.2管道系统吹扫…………Sweepingforpipingsystem8.3气体泄漏性实验及真空度实验………Gasleakagetestandtestofvacuumdegree9交工文献………………Handoverdocument附录A（资料性附录）常用有毒介质、可燃介质………AppendixA(DataAppendix)CommonHypertoxicandCombustibleMedium附录B（资料性附录）焊接接头坡口形式及组对规定……AppendixB(DataAppendix)TypeofGrooveofWeldJointandRequirementsforAssembly附：条文说明…………………ExplanationtoClauses前言Foreword本规范是根据国经贸厅行业[2023]36号文的告知，由中国石化集团第五建设公司对《石油化工剧毒、可燃介质管道工程施工及验收规范》SH3501－2023进行修订而成。TheSpecificationistherevisionofSpecificationforConstructionandAcceptanceofHypertoxicandCombustibleMediumPipingEngineeringinPetrochemicalIndustrySH3501-2023revisedbyTheFifthConstructionCompanyoftheChinaPetrochemicalCorporationaccordingtoFile[2023]36issuedbyStateEconomy&TradeCommission.本规范共分9章和2个资料性附录。本规范与SH3501－2023《石油化工剧毒、可燃介质管道工程施工及验收规范》相比，重要变化如下：TheSpecificationcontains9chaptersand2dataappendixes.ThemainchangesoftheSpecificationcomparingwithoriginalSH3501-2023SpecificationforConstructionandAcceptanceofHypertoxicandCombustibleMediumPipingEngineeringinPetrochemicalIndustryare:－合用范围扩大至毒性限度为中度危害和轻度危害介质；－调整了管道分级规定，与SH3509－2023《石油化工管道设计器材选用通则》协调一致；－将有关内容与GB50235－97《工业金属管道工程施工及验收规范》进行了协调；－修改了原规范中管道组成件检查、实验的有关规定；－完善了焊接接头检查方面的有关规定。----Scopeofapplicationisenlarged.Toxiclevelincludesmoderatehazardandnegligiblehazard.----SpecificationforpipelinegradingisregulatedtocomplywithGeneralRuleforPipelineDesignandSelectioninPetrochemicalIndustry.----Specificationforinspectionandtestofconstituentelementsofpipelineismodified.----Perfectspecificationforinspectionofweldjoint.本规范以黑体字标志的条文为强制性条文，必要严格执行。BoldfacesintheSpecificationaremandatoryclausesandmustbestrictlyimplemented.本规范由中国石化集团施工规范管理站淄博分站管理，由中国石化集团第五建设公司负责解释。TheSpecificationismanagedbyZiboBranchofConstructionSpecificationManagementStationofChinaPetrochemicalCorporation,andinterpretedbyTheFifthConstructionCompanyoftheChinaPetrochemicalCorporation.本规范在实行过程中，如发现需要修改补充之处，请将意见和有关资料提供应我们，以便此后修订时参考。IncaseanyrepairandsupplementarefoundnecessaryduringimplementationoftheSpecification,pleasesendthesuggestiontogetherwithrelevantinformationtousforreferenceduringfutureupdate.管理单位：中国石化集团公司施工规范管理站淄博分站Managementunit:ZiboBranchofConstructionSpecificationManagementStationofChinaPetrochemicalCorporation通讯地址：山东省淄博市132号信箱Address:MailboxNo.132,ZiboCity,邮政编码：255438

Postcode:255438主编单位：中国石化集团第五建设公司Chiefeditor:ChinaPetrochemicalCorporation通讯地址：甘肃省兰州市西固区康乐路35号Address:No.35,KangleRd.,XiguDistrict,LanzhouCity,邮政编码：730060Postcode:730060重要起草人：姚代贵张西庚汪庆华单承家Maindrafters：YaoDaigui,ZhangXigeng,WangQinghua,ShanChengjia本规范1985年发布，1997年第一次修订，2023年第二次修订，本次为第三次修订。Thespecificationwasissuedin1985,revisedin1997forthefirsttime,revisedin2023forthesecondtime,andthisisthethirdrevision.石油化工有毒、可燃介质管道工程施工及验收规范SpecificationforConstructionandAcceptanceofHypertoxicandCombustibleMediumPipingEngineeringinPetrochemicalIndustry1范围Scope本规范规定了石油化工有毒（毒性限度为极度危害、高度危害、中度危害和轻度危害）、可燃介质管道工程的施工和检查规定。TheSpecificationspecifiesrequirementsforconstructionandinspectionofhypertoxic(toxiclevelsareutmosthazard,highhazard,moderatehazardandnegligiblehazard)andcombustiblemediumpipingengineering.本规范合用于设计压力400Pa[绝压]~42MPa[表压]，设计温度－196℃~850℃的有毒、可燃介质钢制管道工程的施工及验收。TheSpecificationisapplicableforconstructionandacceptanceofhypertoxicandcombustiblemediumsteelpipingengineeringwithdesignpressureof400Pa[absolutepressure]~42MPa[gagepressure]anddesigntemperatureof-196℃~850℃.本范围不合用于长输管道及城乡公用燃气管道的施工及验收。TheSpecificationisnotapplicableforconstructionandacceptanceoflong-distancepipelineandgaspipeline.2规范性引用文献Normativedocumentsquoted下列文献中的条款通过本规范的引用而成为本规范的条款。凡是注日期的引用文献，其随后所有的修改单（不涉及堪误的内容）或修订版均不合用于本规范，然而，鼓励根据本规范达成协议的各方研究是否可使用这些文献的最新版本。凡是不注日期的引用文献，其最新版合用于本规范。ProvisionsinfollowingdocumentsarequotedasprovisionsoftheSpecification.Modification(excludingcorrigendum)orrevisionofdateddocumentisnotapplicablefortheSpecification.ItissuggestedthatallpartieswhoreachanagreementbasedupontheSpecificationcanstudywhetherthelatestrevisionofthedateddocumentcanbeused.LatestrevisionofundateddocumentisapplicablefortheSpecification.GB4159金属低温夏比冲击实验方法TestMethodsforLowTemperatureVariationRatioImpactofMetalGB/T4334.1~6不锈钢耐腐蚀实验方法TestMethodforAnticorrosionofStainlessSteelGB5777无缝钢管超声波探伤方法MethodsforSupersonicInspectionofSeamlessSteelPipeJB4730压力容器无损检测NondestructiveTestofPressureContainerSH3503-2023石油化工工程建设交工技术文献规定SpecificationsforTechnicalDocumentofHandoverofPetrochemicalEngineeringConstructionSH3059-2023石油化工管道设计器材选用通则GeneralRuleforPipelineDesignandSelectioninPetrochemicalIndustrySH3064石油化工钢制通用阀门选用、检查及验收Selection,InspectionandAcceptanceofCommonSteelValveinPetrochemicalIndustrySH3505石油化工施工安全技术规程SpecificationsforSafetyTechnologyofConstructioninPetrochemicalIndustrySH3521石油化工仪表工程施工技术规程TechnicalSpecificationsforConstructionofMeterWorksinPetrochemicalIndustrySH3526石油化工异种钢焊接规程SpecificationsforWeldingofSpecialSteelinPetrochemicalIndustryGZJG[2023]No.109锅炉压力容器压力管道焊工考试与管理规则RulesforExaminationandManagementofWelderforWeldingofPressureContainerandPipeofBoiler劳部发[1993]441号LBF[1993]No.441锅炉压力容器无损检测人员资格考核规则RulesforQualificationTestofOperatorforNondestructiveTestofPressureContainerofBoiler3总则General3.1有毒、可燃介质管道施工应按设计文献规定进行，修改设计或材料代用，应经设计单位批准。3.1Constructionofhypertoxicandcombustiblemediumpipingshallbecarriedoutasperspecificationsindesigndocument.Modificationofdesignorreplacementofmaterialshallbeapprovedbythedesignunit.3.2管道施工的安全技术和劳动保护，应按SH3505的规定执行。在已投入生产的区域内施工时，应按生产区域的特点制定施工安全技术措施。3.2SafetytechniqueandlaborprotectionforpipinginstallationshallbeimplementedaccordingtoSH3505.Ifconstructioniscarriedoutinproducingarea,measuresforsafetytechniqueofconstructionshallbeformulatedaccordingtocharacteristicsoftheproducingarea.3.3承担有毒、可燃介质管道施工的单位，必须持有质量技术监督行政部门颁发的相应的压力管道安装许可证。3.3UnitundertakingconstructionofhypertoxicandcombustiblemediumpipingmusthavecorrespondingcertificateofpressurepipinginstallationissuedbyExecutiveofQuality&TechnologySupervision.3.4从事有毒、可燃介质管道施工的焊工应按《锅炉压力容器压力管道焊工考试与管理规则》进行考试，取得合格证书。无损检测人员应按《锅炉压力容器无损检测人员资格考核规则》进行考核，取得相应的资格证书。3.4WelderengagedinhypertoxicandcombustiblemediumpipinginstallationshalltakeanexaminationforRulesforExaminationandManagementofWelderforWeldingofPressurePipeofBoilerandgetthecertificateofqualification.NondestructivetestoperatorshalltakeanexaminationforRulesforQualificationTestofOperatorforNondestructiveTestofPressureContainerofBoilerandgetthecertificateofqualification.4管道分级Pipelinegrading4.1输送有毒、可燃介质管道的分级，应符合SH3059－2023的规定（见表1）。常见毒性介质、可燃介质参见附录A。4.1GradingofpipelineconveyinghypertoxicandcombustiblemediumshallmeetspecificationsinSH3059－2023(seetable1).PleaseseeAppendixAforcommonhypertoxicandcombustiblemedium.表1管道分级Table1PipelineGrading管道级别Pipelinegrading合用范围ScopeofapplicationSHA1毒性限度为极度危害介质管道（苯管道除外）2毒性限度为高度危害介质的丙烯腈、光气、二硫化碳和氟化氢介质管道3设计压力大于或等于10.0MPa输送有毒、可燃介质管道Utmosthazardpipeline(exceptbenzenepipeline)Acrylon,carbonylchloride,carbondisulfideandhydrogenfluoridemediumpipelinewhosetoxiclevelishighhazard3.Pipelineconveyinghypertoxicandcombustiblemediumwithdesignpressure≥10.0MPaSHB1毒性限度为极度危害介质的笨管道2毒性限度为高度危害介质管道（丙烯腈、光气、二硫化碳和氟化氢管道除外）3甲类、乙类可燃气体和甲A类液化烃、甲B类、乙A类可燃液体介质管道UtmosthazardbenzenepipelineHighhazardmediumpipeline(exceptAcrylon,carbonylchloride,carbondisulfideandhydrogenfluoridepipeline)3.CategoryAandBcombustiblegasandCategoryABandBSHC1毒性限度为中度、轻度危害介质管道2乙B类、丙类可燃液体介质管道Moderateandnegligiblehazardmediumpipeline2.CategoryBBandCcombustibleliquidmediumpipelineSHD设计温度低于-29℃的低温管道Pipelinewithdesigntemperaturelowerthan-29℃输送同时具有毒性和可燃特性介质的管道，应按本规范中的高级别管道解决。4.2 Pipelineconveyingbothhypertoxicandcombustiblemediumshallbetreatedashigh-levelpipelineintheSpecification.4.3输送混合介质的管道，应以主导介质作为管道分级的依据。4.3 Pipelineconveyingmixedmediumshalltakedominantmediumasgradingreference.管道组成件检查Inspectionofconstituentelementsofpipeline5.1一般规定Generalspecifications5.1.1有毒、可燃介质管道工程使用的管道组成件，应符合设计文献规定及本规范的有关规定。5.1.1 ConstituentelementsofpipelineforHypertoxicandCombustibleMediumPipingEngineeringshallmeettherequirementsindesigndocumentandtheSpecification.5.1.2管道组成件（管子、阀门、管件、法兰、补偿器、安全保护装置等）的制造单位，当所在地质量技术监督行政部门有规定期，应取得《压力管道元件制造单位安全注册证书》。5.1.2 Manufacturerofconstituentelementsofpipeline(pipe,valve,pipefittings,flange,compensator,safetyprotectiondevice,etc.)shallhaveRegisteredCertificateofManufacturerforSafetyProductionofElementsofPressurePipeifitisrequiredbylocalexecutiveofquality&technologysupervision.5.1.3管道组成件必须具有质量证明文献，无质量证明文献的产品不得使用。5.1.3Constituentelementsofpipelinemusthavecertificateofqualification.Producthavingnothecertificatecan’tbeadopted.产品在使用前，应对质量证明文献进行审查，并与实物核对。若到货的管道组成件实物标记不清或与质量证明文献不符或对产品质量证明文献中的特性数据或检查结果有异议，供货方应按相应标准作验证性检查或追溯到产品制造单位。异议未解决前，该批产品不得使用。Certificateofqualificationofproductsshallbecheckedbeforeuse.Ifmarksoftheconstituentelementsareunclear,ornotconformtocertificateofqualification,orthereisobjectionaboutperformancedataorinspectionresultincertificateofqualification,theSuppliershallcarryoutexperimentalverificationbaseduponrelatedstandardortrackbacktothemanufacture.Beforesettlementofobjection,theproductscan’tbeused.5.1.4管道组成件在使用前应进行外观检查，其表面质量应符合相应产品标准的规定，不合格者不得使用。5.1.4 Appearanceinspectionofconstituentelementsofpipelineshallbecarriedoutbeforeuse.Qualityoftheirsurfacesshallmeetthespecificationincorrespondingstandard.Unqualifiedproductcan’tbeused.5.1.5合金钢管道组成件主体的关键合金成分，应根据本规范规定的比例采用光谱分析或其他方法进行半定量分析复查，并作好标记。5.1.5 Certainproportion(specifiedintheSpecification)ofalloyedsteelpipeline’smainbody,alloyingcomponent,shallbecheckedwithspectralanalysismethodorothermethods.Marksshallbemade.5.1.6设计文献有低温冲击值规定的材料，产品质量证明文献应有低温冲击韧性实验值，否则应按GB4159的规定进行补项实验。5.1.6Iftherearerequirementsforlowtemperatureimpactvalueofamaterialindesigndocument,certificateofqualificationofthematerialshallhavelowtemperatureimpacttoughnesstestvalue;otherwise,additionaltestshallbedoneaccordingtoGB4159.5.1.7凡按规定作抽样检查或检查的样品中，若有一件不合格，必须按原规定数加倍抽检，若仍有不合格，则该批管道组成件不得使用，并应作好标记和隔离。5.1.7Ifoneofsamplesisunqualifiedduringsamplinginspection,certainamount(specifiedintheSpecification)ofproductsshallbeinspected.Iftherestillisunqualifiedproduct,thebatchofproductscan’tbeused.Andtheyshallbemarkedandseparatedwithotherproducts.5.1.8管道组成件应分区存放，且不锈钢管道组成件不得与非合金钢、低合金钢接触。5.1.8Constituentelementsofpipelineshallbestackedbyareas.Constituentelementsofstainlesssteelpipelinecan’tcontactnon-alloyedsteelandlowalloysteel.5.2管子检查

Inspectionofpipe5.2.1输送有毒、可燃介质的管子，使用前应按设计文献规定核对管子的规格、数量和标记。5.2.1Specification,quantityandmarkofpipeconveyinghypertoxicandcombustiblemediumshallbecheckedaccordingtothedesigndocument.5.2.2管子的质量证明文献应涉及以下内容：5.2.2 CertificateofQualificationofpipeshallcontainfollowingcontents:a)产品标准号；a)Productstandardnumberofproduct;b)钢的牌号；b)Brandofsteel;c)炉罐号、批号、交货状态、重量和件数；c)Stovenumber,lotnumber,deliverystate,weightandnumberofpackages;d)品种名称、规格及质量等级；d)Name,specificationandqualitylevelofvariety;e)产品标准和订货协议中规定的各项检查结果；e)Resultsofallinspectionsspecifiedinproductstandardandcontract;f)制造厂检查印记。f)Inspectionstampofmanufacturer.5.2.3若到货管子钢的牌号、炉罐号、批号、交货状态与质量证明文献不符，该批管子不得使用。5.2.3Ifbrand,stovenumber,lotnumberanddeliverystateofpipesteeldon’tconformtocertificateofqualification,thebatchofpipescan’tbeused.5.2.4有耐晶间腐蚀规定的材料，产品质量证明文献应注明晶间腐蚀实验结果，否则应按GB/T4334.1~6中的有关规定，进行补项检查。5.2.4Ifthematerialisrequiredtoresistintercrystallinecorrosion,resultofintercrystallinecorrosiontestshallbewritteninthecertificateofqualification;otherwise,additionaltestshallbedoneaccordingtoGB/T4334.1~6.5.2.5输送毒性限度为极度危害和高度危害介质管子的质量证明文献中应有超声波检测结果，否则应按GB5777的规定，逐根进行检查。5.2.5Ultrasonicdetectionresultforpipeconveyingutmosthazardorhighhazardmediumshallbewrittenincertificateofqualification;otherwise,eachpipeshallbedetectedaccordingtoGB5777.5.2.6钢管的表面质量应符合下列规定：5.2.6 Surfacequalityofsteelpipeshallmeetfollowingspecifications:a)钢管内、外表面不得有裂纹、折叠、发纹、扎折、离层、结疤等缺陷；a)Thereshallbenocrack,fold,hairlinecrack,wrinkle,separationlayerorscaboninnerorexteriorsurfaceofsteelpipe.b)钢管表面的锈蚀、凹陷、划痕及其他机械损伤的深度，不应超过相应产品标准允许的壁厚负偏差；b)Depthofrust,hollow,scratchandothermechanicaldamagescan’texceedthepermissiblevariationofwallthickness.c)钢管端部螺纹、坡口的加工精度及粗糙度应达成设计文献或制造标准的规定；c)Workingaccuracyandroughnessofthreadandgrooveatendofsteelpipeshallmeettherequirementsindesigndocumentofmanufacturestandard.d)有符合产品标准规定的标记。Havemarksmeetingstandard.5.2.7SHA级管道中，设计压力等于或大于10MPa管子，外表面应按下列方法逐根进行无损检测，检测方法和缺陷评估应符合JB4730的规定，检查结果以I级为合格：5.2.7Nondestructivetestshallbedoneforsurfaceofeachpipewhosedesignpressure≧10MPaamongSHAlevelpipelines.TestmethodsandevaluationofdefectshallmeetspecificationsofJB4730.GradeⅠwillbequalified.a)外径大于12mm的导磁性钢管，应采用磁粉检测；a)Magnetic-particleinspectionshallbecarriedoutformagneticpermeablesteelpipewithexternaldiameterlargerthan12mm.b)非导磁性钢管，应采用渗透检测。b)Penetrationtestshallbedoneformagneticimpermeablesteelpipe.5.2.8SHA级管道中，设计压力小于10MPa的输送极度危害介质（苯除外）的管子，每批（指同批号、同炉罐号、同材质、同规格）应抽5%且不少于一根，按本规范5.2.7条规定的方法和评估标准进行外表面磁粉检测或渗透检测，检查结果以II级为合格。抽样检查不合格时，应按本规范5.1.7条的规定解决。5.2.8Exteriorsurfacemagnetic-particleinspectionorpenetrationtestshallbedonefor5%(atleastonepiece)ofeachbatch(ofthesamelotnumber,stovenumber,materialandspecification)ofpipesconveyingutmosthazardmedium(exceptbenzene)withdesignpressurelessthan10MPaaccordingtomethodsandcriteriaforevaluationinClause5.2.7.GradeⅡwillbequalified.Ifitisunqualified,thepipesshallbetreatedaccordingtoClause5.1.7.5.2.9管子经磁粉检测或渗透检测发现的表面缺陷允许修磨，修磨后的实际壁厚不得小于管子公称壁厚的90%，且不得小于设计文献规定的最小壁厚。5.2.9Surfacedefectfoundbymagnetic-particleinspectionorpenetrationtestcanbegrinded.Butthewallthicknessaftergrindingcan’tbelessthan90%ofnominalthicknessofthepipeandmin.thicknessspecifiedindesigndocument.5.3阀门检查Inspectionofvalve5.3.1设计文献规定做低温密封实验的阀门，应有制造单位的低温密封性实验合格证明书。5.3.1Ifcryogenicsealtestforvalveisrequiredindesigndocument,certificateofqualificationforcryogenicsealtestshallbeprovidedbythemanufacturer.5.3.2用于SHA级管道的通用阀门，其焊缝或阀体、阀盖的铸钢件，应有符合SH3064规定的无损检测合格证明书。5.3.2Certificateofqualification(meetSH3064)fornondestructivetestofweldjointandsteelcastingofbodyandcoverofuniversalvalveforSHAlevelpipelineshallbeprovided.5.3.3阀门安装前，应按设计文献中的“阀门规格书”，对阀门的阀体、密封面及有特殊规定的垫片和填料的材质进行抽检，每批至少抽查一件；合金钢阀门的阀体应逐件进行光谱分析。若不符合规定，该批阀门不得使用。5.3.3 Beforeinstallationofvalve,samplinginspectionshallbedoneformaterialsofvalvebody,sealingface,gasketandfillerhavingspecialrequirement.Atleastoneofeachbatchshallbeinspected.Spectralanalysisshallbedoneforvalvebodyofeachalloysteelvalve.Ifitisunqualified,thebatchofvalvescan’tbeused.5.3.4阀门的外观质量应符合产品标准的规定，不得有裂纹、氧化皮、粘砂、疏松等影响强度的缺陷。5.3.4 Appearancequalityofvalveshallmeetrequirementinproductstandard.Thereshallbenocrack,scale,sandfusion,looseandotherdefectsthatcanimpactstrengthofvalve.5.3.5阀门在安装前，应逐个对阀体进行液体压力实验，实验压力为公称压力的1.5倍，停压5min，无泄漏为合格。5.3.5Beforeinstallation,hydraulictestshallbedoneforeachvalvebody.Maintainthetestpressureat1.5timesofnominalpressurefor5min.ifthevalveisnotleaky,itisqualified.5.3.6具有上密封结构的阀门，应逐个对上密封进行实验，实验压力为公称压力的1.1倍。实验时应关闭上密封面，并松开填料压盖，停压4min，无渗漏为合格。5.3.6 Ifthevalvehasuppersealstructure,eachuppersealshallbetested.Uppersealfaceshallbeclosedandcoveroffillershallbeloosened.Maintainthetestpressureat1.1timesofnominalpressurefor4min.Ifthevalveisnotleaky,itisqualified.5.3.7阀门液体压力实验和上密封实验应以洁净水为介质。不锈钢阀门液体压力实验时，水中的氯离子含量不得超过100mg/L，实验合格后应立即将水渍清除干净。5.3.7Cleanwatershallbeusedasmediumforhydraulictestanduppersealtest.Whenhydraulictestisdoneforstainlesssteelvalve,contentofchlorideioninwatercan’texceed100mg/L.Aftertest,waterspotshallberemoved.5.3.8阀门的阀座密封面应按SH3064的规定进行密封性实验。5.3.8 LeakagetestforsealingsurfaceofvalveseatshallbedoneaccordingtoSH3064.5.3.9凡按SH3064或API标准制造并有相应认证标志，且用户到制造厂监造和验收的阀门，每批可按5%且不少于一个进行抽检，若有不合格，应按本规范5.1.7条的规定解决。5.3.9IfvalvesaremanufacturedaccordingtoSH306orAPIstandard,havecertificationmarksandaresupervisedandinspectedbytheuserinthemanufacturer’splant,5%ofeachbatch(atleast1piece)willbechecked.Ifthereisunqualifiedvalve,itshallbetreatedaccordingtoClause5.1.7.5.3.10安全阀应按设计文献规定的启动压力进行调试。调压时压力应平稳，启闭实验不得少于3次。调试合格后，应及时进行铅封。5.3.10 Commissioningofsafetyvalveshallbecarriedoutwithcrackingpressurespecifiedindesigndocument.Thepressureshallbestable.Atleastthreetimesofstart-stoptestshallbedone.Qualifiedsafetyvalveshallbesealedwithleadaftercommissioning.5.3.11检查、实验合格的阀门，应作出标记，并填写阀门检查、实验记录。5.3.11 Qualifiedvalvesshallbemarked,andinspectionandtestrecordsshallbemade.5.4其他管道组成件检查

Inspectionofconstituentelementsofotherpipes5.4.1对其他管道组成件的产品质量证明文献，应进行核对，且下列项目应符合产品标准的规定：a)化学成分及力学性能；b)合金钢锻件的金相分析结果；c)热解决结果及焊缝无损检测报告。5.4.1 Certificateofqualificationofconstituentelementsofotherpipesshallbechecked.Followingitemsshallmeettherequirementsinproductstandard.Chemicalconstitutionandmechanicalproperty.MetallographicanalysisresultofalloysteelforgingHeattreatmentresultandnondestructivetestreportofweldjoint.5.4.2管件外表面应有制造厂代号（商标）、规格、材料牌号和批号等标记，并与质量证明文献相符，否则不得使用。5.4.2 Exteriorsurfaceofelementsshallhavecodename(trademark),specificationandbrandandlotnumberofmaterialthatareconformtocertificateofqualification.Otherwise,itcan’tbeused.5.4.3管件的表面不得有裂纹，外观应光滑、无氧化皮，表面的其他缺陷不得超过产品标准规定的允许深度。坡口、螺纹加工精度应符合产品标准的规定。焊接管件的焊缝应成形良好，且与母材圆滑过渡，不得有裂纹、未熔合、未焊透、咬边等缺陷。5.4.3 Surfaceofelementsshallbesmoothwithoutcrackandscale.Otherdefectsonsurfacecan’texceedthepermissibledepthspecifiedinproductstandard.Workingaccuracythreadandgrooveatendshallmeettherequirementsinproductstandard.Weldjointofpipesshallbesmoothandwelljoinwiththepipe.Thereshallbenocrack,stick-outweld,faultyfusionandundercut.5.4.4SHA级管道的管件应按本规范5.2.7条、5.2.8条的规定进行表面无损检测。5.4.4 NondestructivetestforsurfaceofelementsofSHAlevelpipelineshallbecarriedoutaccordingtoClause5.2.7and5.2.8oftheSpecification.5.4.5螺栓、螺母的螺纹应完整，无划痕、毛刺等缺陷，加工精度符合产品标准的规定。螺栓、螺母应配合良好，无松动或卡涩现象。5.4.5 Threadsofboltandnutshallbecompletewithoutscratchorburr.Workingaccuracyshallmeettheproductstandard.Boltandnutshallfitwitheachotherwithoutlooseorlock.5.4.6设计压力等于或大于10MPa管道用的合金钢螺栓、螺母，应逐件进行快速光谱分析，每批应抽两件进行硬度检查，若有不合格，按本规范5.1.7条的规定解决。5.4.6 Quickspectralanalysistestofeachalloysteelboltandnutforpipelinewithdesignpressure≧10MPashallbedone.Hardnessinspectionoftwoelementseachbatchshallbetested.Ifitisunqualified,itshallbetreatedaccordingtoClause5.1.7.5.4.7设计温度低于－29℃的低温管道合金钢螺栓、螺母，应逐件进行快速光谱分析检查，每批应抽两根螺栓进行低温冲击性能检查。若有不合格，应按本规范5.1.7条的规定进行解决。5.4.7Quickspectralanalysistestofeachalloysteelboltandnutforpipelinewithdesigntemperaturelowerthan-29℃shallbedone.Lowtemperatureimpactperformancetestoftwoboltseachbatchshallbedone.Ifitisunqualified,itshallbetreatedaccordingtoClause5.1.7.5.4.8其他合金钢管道组成件的快速光谱分析，每批应抽检5%，且不少于一件。若有不合格，应按本规范5.1.7条的规定解决。5.4.85%(atleastonepiece)ofeachbatchofalloysteelelementsforotherpipelinesshallbetestedwithquickspectralanalysis.Ifitisunqualified,itshallbetreatedaccordingtoClause5.1.7.5.4.9密封垫片应按产品标准进行抽样检查验收，每批不得少于一件。缠绕垫片不得有松散、翘曲现象，表表面不得有影响密封性能的伤痕、空隙、凹凸不平及锈斑等缺陷。金属垫片、石棉橡胶板垫片的边沿应切割整齐，表面应平整光滑，不得有气泡、分层、折皱、划痕等缺陷。5.4.9Samplinginspection(atleastonepieceperbatch)ofgasketsealshallbecarriedoutaccordingtotheproductstandard.Thegasketcan’tbelooseorwarped.Thereshallbenoscar,gap,sag,crestandrustystainthatmayimpactsealingpropertyonsurface.Edgeofmetallicgasketandrubberslatgasketshallbesmooth.Thesurfaceshallbesmoothandevenwithoutbubble,separationlayer,foldorscratch.5.4.10现场制作石棉橡胶板垫片，不得在低于15℃的环境中进行，且自板材制成之日起，耐油石棉橡胶板储存期限不得超过一年半，普通石棉橡胶板储存期限不得超过两年。5.4.10Temperatureofworkshopforproductionofasbestos-packinggasketcan’tbelessthan15℃.Storagelifeofoil-proofasbestospackingsheetcan’texceedoneandhalfyear,andthatofcommonasbestospackingsheetcan’texceedtwoyears.5.4.11法兰密封面不得有径向划痕等缺陷。5.4.11 Flangeshallbesealedwithoutradialscratch.6管道预制及安装

Prefabricationandinstallationofpipeline6.1管道预制

Prefabricationofpipeline6.1.1管道预制加工应按现场审查确认的设计单线图或依据管道平、剖面图绘制的单线图进行，预制加工图上应标注管线编号、现场组焊位置和调节裕量。6.1.1Prefabricationofpipelineshallbecarriedoutaccordingtodesignedsinglelinediagram,orsinglelinediagramdrawnbaseduponplaneandsectionofpipelinethatareapprovedonsite.Numberofpipeline,positionofgangweldingandovermeasureshallbeindicatedintheworkingdiagram.6.1.2管道预制过程中的每一道工序，均应核对管子的标记，并做好标记的移植。不锈钢管道、低温钢管道，不得使用钢印作标记。6.1.2Duringeachsequenceofprefabrication,marksofpipelineshallbechecked.Transferofmarksshallbedonewell.Steelmarkcan’tbeusedforstainlesssteelpipeandlowtemperaturesteelpipe.弯管最小弯曲半径应符合设计文献规定，当设计文献未规定期，应符合表2的规定。6.1.3 Min.bendingradiusofelbowpipeshallmeettherequirementindesigndocument.Ifitisnotspecifiedinthedesigndocument,itshallmeetthespecificationintable2.表2弯管最小弯曲半径Table2Min.BendingRadiusofElbowPipe管道设计压力DesignpressureofpipeMPa弯管制作方式Fabricationmode最小弯曲半径Min.bendingradius＜10热弯Hotbending3.5D0冷弯Coldbending4.0D0≥10冷、热弯Coldandhotbending5.0D0注：D0为管子外径。Notes:Dnisexteriordiameterofpipeline6.1.4当设计允许用焊接钢管弯制弯管时，焊缝应避开受拉或受压区。6.1.4Ifitisallowablethatelbowpipecanbefabricatedbyweldingofpipes,theweldjointcan’tbeintensileorcompressiveregion.6.1.5弯管制作后，弯管处的最小壁厚不得小于管子公称壁厚的90%，且不得小于设计文献规定的最小壁厚。弯管处的最大外径与最小外径之差，应符合下列规定：6.1.5Afterfabricationofelbowpipe,min.wallthicknessatelbowcan’tbelessthan90%ofthenominalthicknessandmin.thicknessspecifiedinthedesigndocument.Differencebetweenmax.exteriordiameterandmin.exteriordiameteratelbowshallmeetthefollowingspecifications:a)SHA级管道应小于弯制前管子外径的5%；a)ForSHAlevelpipeline,thedifferenceshallbelessthan5%ofexteriordiameterofpipebeforefabrication.b)SHB、SHC及SHD级管道应小于弯制前管子外径的8%。b)ForSHB,SHCandSHDlevelpipelines,itshallbelessthan8%ofexteriordiameterofpipebeforefabrication.6.1.6弯管制作后，直管段中心线偏差△不得大于1.5mm/m，且不得大于5mm。6.1.6 Afterfabricationofelbowpipe,deviationofcentrallineofstraightsection△can’tbelargerthan1.5mm/mand5mm.图1弯管中心偏差Fig1.Centraldeviationofelbowpipe6.1.7钢管热弯或冷弯后的热解决，应符合下列规定：6.1.7 Afterhotorcoolbending,heattreatmentofsteelpipeshallmeetfollowingspecifications:a)

钢管的热弯温度与弯后热解决应按表3的规定进行，表中未列入的钢号，按该材料供货状态的规定进行；a)Hotbendingtemperatureandheattreatmentofsteelpipeshallmeettable3.Steelpipenotlistedinshallmeettherequirementindeliverystateofthematerial.b)

钢管冷弯后的热解决应按表4的规定进行；b)Aftercoldbending,heattreatmentofsteelpipeshallbecarriedoutaccordingtotable4.c)公称直径大于100mm或壁厚大于13mm的铁素体合金钢管弯制后，应进行消除应力的热解决；c)Afterbendingofferriticalloysteelpipewhosenominaldiameterislargerthan100mmorwallthicknessislargerthan13mm,heattreatmentforstressreliefshallbecarriedout.d)有应力腐蚀的冷弯弯管，应作消除应力的热解决；d)Heattreatmentforrelievingofstressshallbedoneforcoldbendingelbowpipehavingstresscorrosion.e)热解决时的加热速度、恒温时间、冷却速度应符合本规范7.4.9条的规定。e)Heatingrate,timeofconstanttemperature,coolingrateforheattreatmentshallmeetClause7.4.9intheSpecification.表3钢管热弯温度及热解决Table3HotBendingTemperatureandHeatTreatmentofSteelPipe钢种或钢号Steeltypeorgrade热弯温度Hotbendingtemperature℃热解决规定Requirementforheattreatment10,20750~1050终弯温度小于900℃，且壁厚大于等于19mm时，进行600℃~650℃回火。16Mn900~105012CrMo15CrMo800~1050900