GB 50517-2010 GB50517-2010石油化工金属管道工程施工质量验收规范-英文

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforConstructionualitAccetanceofMetallic

Qyp

PiininPetrochemicalEnineerin

pggg

GB50517-2010

:

ChiefDevelopmentDepartmentChinaPetrochemicalCorporation

:

ArovalDeartmentMinistrofHousinandUrban-Rural

pppyg

developmentofthePeoplesRepublicofChina

:,

ImlementationDateDecember12010

p

ChinaPlanninPress

g

Beijing2015图书在版编目()数据

CIP

石油化工金属管道工程施工质量验收规范:英文/中华人

GB50517-2010

—:,

民共和国住房和城乡建设部组织编译北京中国计划出版社

.2015.11

ISBN978-7-5182-0277-5

…中…石油化工设备金属管管道施工工

Ⅰ.①GⅡ.①Ⅲ.①---

程验收国家标准中国英文

---Ⅳ.①TE969-65

中国版本图书馆数据核字()第号

CIP2015253863

ChineseeditionfirstublishedinthePeolesReublicofChinain2010

ppp

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2015

bChinaPlanninPress

yg

rd

,,

3FloorCTowerGuohonBuildin

gg

,,

No.A11Muxidi-BeiliXichenDistrict

g

,

Beijing100038

,

PrintedinChinabBeiinJinhuaHucaisPrintinCO.LTD

yjggg

2010bMinistrofHousinandUrban-RuralDevelomentof

yygp

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

,,,,,,

banmeansrahicelectronicormechanicalincludinhotocoinrecordin

yygpgppygg

,

oraninformationstoraeandretrievalsstemswithoutwrittenermissionoftheublisher.

ygypp

,,,

Thisbookissoldsubjecttotheconditionthatitshallnotbywayoftradeorotherwisebelent

,

resoldhiredoutorotherwisecirculatedwithouttheublishersriorconsentinanformof

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blindinorcoverotherthanthatinwhichthisisublishedandwithoutasimilarcondition

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includinthisconditionbeinimosedonthesubseuenturchaser.

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ISBN978-7-5182-0277-5Foreword

ThiscodeisdeveloedbSinoecTenthConstructionComanincooerationwithSinoec

pyppypp

,

FourthConstructionComanSinoecFifthConstructionComanandWisonEnineerinLtd

pyppygg

[]

basedontherequirementsofDocumentJianBiao2006No.136issuedbyoriginalMinistryof

()

ConstructionMOC-NoticeonPrintintheDevelomentandRevisionPlanoNational

gpf

nd

()

EnineerinConstructionStandards2Grouin2006

ggp

,,

Inrearinthiscodethedevelomentteammadesecialstudiescarriedoutextensive

ppgpp

,,

investigationssummarizedthepracticesinpetrochemicalprojectconstructioninrecentyears

,

followedtheuidinrincilesofSereatinInsectionandAssessmentStrentheninQualit

ggppgggpggy

,,

ExaminationandacceptanceImprovingWorkMethodsandWellControllingWorkProcedures

,

reuestedandconsolidatedcommentsfromenineerindesinconstructionandsuervision

qgggp

,,

servicesinavarietyofwaysdiscussedthemainissuesandconcernsfocusedandreviewedand

finalizedthiscode.

Thiscodecomprises12chaptersand2appendices.ThemaintechnicalcontentsinthisCode

:,,,,,

includeeneralrovisionstermsbasicreuirementsiinclassaccetanceforiinmaterials

gpqppgpppg

,,,,

pipingfabricationpipingweldingpipinginstallationpipingweldexaminationandinspection

,

iintestiincleaninandtechnicaldocumentsofconstructioncomletion.

ppgppggp

Theprovisionsprintedinboldtypearecompulsoryandmustbeenforcedstrictly.

’

TheMinistrofHousinandUrban-RuralDevelomentofthePeolesReublicofChinais

ygppp

,

inchareofadministrationofthiscodeandexlanationofthecomulsorrovisionsChina

gppyp

(),

PetrochemicalCororationSinoecGrouisresonsibleforitsroutinemanaementandSinoec

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TenthConstructionComanistaskedforexlanationofsecifictechnicalcontents.Allrelevant

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organizationsarekindlyrequestedtosumupandaccumulateyourexperiencesinactualpractices

,

durintherocessofimlementinthiscode.Andrelevantoinionsandadviceswhenever

gppgp

,(:,

necessarycanbepostedorpassedontoSinopecTenthConstructionCompanyAddressNo.29

,,,,,:,:

JiansheRoadLinziDistrictZiboCitShandonProvinceP.R.ChinaPostCode255438E-mail

yg

)

gfz.shij@forreferenceinfuturerevision.

,

Chiefdevelomentoranizationarticiatindevelomentoranizationsandchiefdraftin

pgppgpgg

,:

staffchiefreviewingdraftingstaffofthecode

:

Chiefdevelomentoranization

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SinopecTenthConstructionCompany

:

Particiatinoranizations

pgg

SinopecFourthConstructionCompany

SinoecFifthConstructionComan

ppy

WisonEnineerinLtd.

gg

:

Chiefdraftinstaff

g

XuMincaiWuZhonxianZhanGuihonWanQinhua

gggggg

ZongCongbiaoShanChengjiaWangMingchun

··

1:

Chiefreviewinstaff

g

ZhanXienGeChunuXiaJiewenQiuPinChenYonlian

gggyggg

HuLiangweiJiZhanghongHuGuoyongLuTianZhangLinqing

ZhanPeiMaYinxiaWanLiChuChanchunWanYonshou

gggggg

··

2Contents

()

……………

1GeneralProvisions1

()

…………………………

2Terms2

……………()

3BasicRequirements3

……………………()

4PipingClass4

…………()

5ExaminationandAcceptanceforPipingMaterials6

…………()

5.1GeneralRequirements6

…………()

5.2ExaminationandAcceptanceforPipes7

…………()

5.3ExaminationandAcceptanceforValves8

………()

10

5.4ExaminationandAcceptanceforOtherPipingComponents

……()

5.5ExaminationandAccetanceforPiinSuortsandHaners13

ppgppg

……………()

6PiinFabrication14

pg

()

………………

6.1PieFabrication14

p

()

………………

6.2BendFabrication14

()

……………………

6.3JacketedPiinFabrication15

pg

()

………………

6.4SoolFabrication15

p

()

………………

7PiinWeldin17

pgg

()

…………

7.1GeneralRequirements17

()

……………………

7.2GroovingandJointAssembly18

()

………………………

7.3Welding20

…………………()

7.4PreheatingandHeatTreatment20

……………()

8PipingInstallation24

…………()

8.1GeneralRequirements24

……………()

8.2InstallationofPipingConnectedtoRotatingMachine27

…………()

8.3InstallationofNon-ferrousMetalPiping27

…………()

8.4InstallationofTracers28

……………………()

28

8.5InstallationofLinedPiping

……………………()

8.6InstallationofSafetDevices29

y

……………()

8.7InstallationofComensatinDevices29

pg

()

……………

8.8InstallationofSuortsandHaners31

ppg

()

……………………

8.9InstallationofElectrostaticGroundinSstem32

gy

()

……………

9ExaminationandAccetanceforPiinWelds33

ppg

()

…………

9.1GeneralReuirements33

q

()

……………………

9.2VisualExaminationofWelds33

()

…………

9.3NDEofWeldedJoints36

()

…………………

9.4HardnessTest38

…………()

9.5ExaminationofFerriteContentinWelds38

··

1()

…………………

10PiinTest39

pg

…………()

10.1GeneralReuirements39

q

………………()

10.2SystemSet-up40

()

……………

10.3HdrostaticTest40

y

………………()

10.4PneumaticTest41

()

………………………

10.5InitialServiceLeakTest42

…………………()

10.6LeakTestandVacuumTest42

………………()

11PipingCleaning44

()

…………

11.1GeneralReuirements44

q

………………………()

11.2CleaningSystemSet-up44

()

…………………

11.3AirPurging45

………………()

11.4SteamBlowin45

g

………………()

11.5SystemWashing46

()

……………

11.6ChemicalCleanin46

g

……………()

11.7PipingDegreasing47

()

…………………

11.8OilWashing48

………()

12TechnicalDocumentsofConstructionComletion49

p

…………………()

AppendixACommonToxicandCombustibleSubstances51

()

………

AendixBPiinClassificationCode53

pppg

……………()

ExplanationofWordinginthisCode54

()

…………

ListofQuotedStandards55

··

21GeneralProvisions

1.0.1Thiscodeisdeveloedtostrenthenconstructionualitmanaementofetrochemical

pgqygp

,

roectsstandardizeualitexaminationandaccetanceformetalliciinconstructionin

pjqypppg

petrochemicalindustrytoguaranteethepipingconstructionquality.

1.0.2Thiscodeisalicabletoconstructionualitexaminationandaccetanceofmetallic

ppqyp

pipingatdesignpressurelessthan42Mpaanddesigntemperaturenotlowerthan-196℃in

etrochemicalindustr.

py

1.0.3Thiscodesecifiesthebasicreuirementsofualitexaminationandaccetancefor

pqqyp

metallicpipingconstructioninpetrochemicalindustry.Incaseofanyconflictsbetweenthiscode

,,,

andstatelawsadministrativerulesandreulationsstatelawsadministrativerulesandreulations

gg

shallgovern.

,

1.0.4Inadditiontothiscodeconstructionqualityexaminationandacceptanceformetallicpiping

shallalsocomlwithcurrentstatecodesandstandards.

py

··

12Terms

2.0.1Shofabrication

p

Manufacturerocessinashowithcertainroductioncaacitandfabricationrocedures.

ppppyp

2.0.2Petrochemicalpiping

,,,,

Piinsstemusedforconveintoxicflammablecombustibleandnon-toxicnon-

pgyyg

,/

flammablenon-combustiblegasliquidinpetrochemicalplantsandauxiliaryfacilities.

2.0.3Fittings

,

Partsofiincomonentswhicharetheelementsdirectlconnectedtotheieusedto

ppgpypp

,,,,,,,

connectbranchchangeflowdirectioninapipingsystemincludingelbowsbendsteescrosses

,,,,,,,,,

reducerscoulinsbushinandnilesunionshoseconnectorsstubendsoletsluscasetc.

pggpppgp

2.0.4Pipingcomponents

,

Pipingelementssuitableforjoiningorassemblyintopressure-tightfluid-containingpiping

,,,,,,,

sstemsincludiniestubiniinfittinsflanesasketsboltinvalvesandexansion

ygppgppgggggp

,,,,,

jointstheflexiblejointspressurehosessteamtrapsstrainersandseparatorsetc.

2.0.5Fabricatedoint

j

Theweldjointwhereworkpiecemayberotatedforwelding.

2.0.6Fixedjoint

Theweldointwhereworkiecemaberotatedforweldin.

jpyg

··

23BasicReuirements

q

3.0.1Theerectorandsuervisorenaedinetrochemicalmetalliciinenineerinshallbe

pggpppggg

,

ualifiedandundertakeworkwithinthescoeoftheirualificationcertificates.

qpq

3.0.2Theweldersengagedinpetrochemicalmetallicpipingconstructionshallbequalifiedand

,

undertakeworkwithinthescoeoftheirualificationcertificatesandNDEersonnelshallbealso

pqp

qualified.

3.0.3Constructionofetrochemicalmetalliciinshallcomlwithdesindocuments.When

pppgpyg

,

desinistobemodifiedormaterialsareroosedforsubstitutionitshallbearovedbthe

gppppy

originaldesigner.

3.0.4Constructionualitofcoatinandanti-corrosiontreatmentformetalliciinshall

qygppg

complywiththecurrentprofessionalstandardSH3022TechnicalSpecificationforCoatingand

Anti-corrosionTreatmentoEuimentandPiininPetrochemicalIndustr.

fqppgy

3.0.5Constructionualitofinsulationformetalliciinshallcomlwiththecurrentstatestandard

qyppgpy

SH3010TechnicalSpecificationsforInsulationofEquipmentandPipinginPetrochemicalIndustry.

··

34PiinClass

pg

4.0.1Petrochemicalmetalliciinmabeclassifiedonthebasisofdeliverfluidsandthe

ppgyy

,

desinconditionsaccordintoTable4.0.1ofthiscode.Commontoxicflammableandcombustible

gg

fluidsmaybedeterminedinaccordancewithAppendixAofthiscode.Pipingclasscodesshall

comlwithAendixBofthiscode.

pypp

Table4.0.1Classificationofpetrochemicalpipingsystem

DesignConditions

Serialno.PipingclassFluid

DesinDesin

gg

()()

pressureMPatemperature℃

()(),

1Extremelyhazardousfluidexceptbenzenehighly

--

,

hazardousacrlonitrilehosene

ypg

P≥10-

1SHA1

(),(,

2Benzenehighlyhazardousfluidexceptacrylonitrile

4≤P<10t≥400

),,

hosenemoderatelhazardousfluidslihtlhazardousfluid

pgygy

-t<-29

(),(,4≤P<10-29≤t<400

3Benzenehighlyhazardousfluidexceptacrylonitrile

2SHA2

)

phosgene

P<4t≥-29

(),

4Moderatelhazardousfluidslihtlhazardousfluid4≤P<10-29≤t<400

ygy

()

3SHA35ModeratelyhazardousfluidP<4t≥-29

()

6SlightlyhazardousfluidP<4t≥400

()

4SHA47SlightlyhazardousfluidP<4-29≤t<400

P≥10-

(),,

8ClassⅠⅡflammableandcombustiblegasandClassⅠ

5SHB14≤P<10t≥400

,

ⅡⅢflammableandcombustibleliuid

q

-t<-29

(),,

9ClassⅠⅡflammableandcombustiblegasandClassⅠA

4≤P<10-29≤t<400

ⅠBflammableliquid

6SHB2

()

10ClassⅠAflammableliuidP<4t≥-29

q

(),,,

11ClassⅠⅡflammableandcombustibleasClassⅠBⅡ

g

P<4t≥-29

flammableandcombustibleliquid

7SHB3(),

12ClassⅡflammableandcombustibleliuidClassⅢ

q

4≤P<10-29≤t<400

flammableliquid

()

13ClassⅢcombustibleliquidP<4t≥400

()

8SHB414ClassⅢcombustibleliquidP<4-29≤t<400

P≥10-

(),

9SHC115Non-toxicnon-flammablefluid

-t<-29

(),

10SHC216Non-toxicnon-flammablefluid4≤P<10t≥400

4≤P<10-29≤t<400

(),

11SHC317Non-toxicnon-flammablefluid

1<P<4t≥400

··

4()

Table4.0.1Continued

DesinConditions

g

Serialno.PiinclassFluid

pg

Design

()

Desintemerature℃

gp

()

PressureMPa

1<P<4-29≤t<400

(),

12SHC418Non-toxicnon-flammablefluidP≤1t≥185

P≤1-29≤t≤-20

(),

13SHC519Non-toxicnon-flammablefluidP≤1-20<t<185

,

4.0.2InadditiontoArticle4.0.1ofthiscodeetrochemicaliinclassificationshallalso

pppg

:

complywiththefollowingrequirements

1Classofiinforconveinoxenasshallbedeterminedbasedondesinconditions

ppgygyggg

;

andClassIIflammableandcombustibleasassecifiedinTable4.0.1ofthiscode

gp

/

2Classofpipingforconveyingtoxicordifferentmixedcombustibleflammablefluidsshall

;

bedeterminedbasedontheirhazardouslevelsandcontents

/

3Classofpipingforsimultaneouslyconveyingtoxicandcombustibleflammablefluidsshall

bedeterminedbasedonthehiheriinclassassecifiedinTable4.0.1ofthiscode.

gppgp

,

4.0.3InadditiontocomliancewithclassesofiininsectionlevelsforiinlistedinTable

pppgpppg

:

4.01ofthiscodeshallalsocomplywiththefollowingrequirements

,,

1Insectionlevelfortitaniumandtitaniumallozirconiumandzirconiumallonickeland

pyy

,

nickelalloyhighnickelchromemolybdenumausteniticstainlesssteelpipingandpipingforsevere

;

cclicconditionsshallnotbelessthanGrade1

y

,,

2Insectionlevelforchromiummolbdenumallodulexstainlessaluminumandaluminum

pyyp

;

alloypipingshallnotbelessthanGrade2

3Insectionlevelforausteniticstainlessiinandcarboniinreuiredforimacttestin

pppgppgqp

designdocumentsshallnotbelessthanGrade3.

4.0.4ConstructionandaccetanceofoxeniinshallalsocomlwithGB16912Saet

pygppgpyfy

TechnicalReulationorOxenandRelativeGasesProducedwithCroenicMethod.

gfygyg

··

55ExaminationandAccetanceforPiinMaterials

ppg

5.1GeneralRequirements

,

5.1.1Piincomonentsmustberovidedwithualitcertificatesandlotnumbersandthe

pgppqy

performancedataindicatedinqualitycertificatesshallcomplywiththecurrentstatestandardsand

desindocuments.

g

:

Methodcheckqualitycertificates.

5.1.2Surfaceualitinsectionanddimensionsotexaminationshallbeerformedforiin

qypppppg

componentsaccordingtoapplicablestandards.Pressurepipingcomponentsshallbeindicatedwith

lotnumberandTSlicensemark.5%offabricationandatleastoneiecefromeachlotshallbe

p

dimensionallyspotexamined.

:

Methodvisualexaminationandmeasurementscheckin.

g

5.1.3Qualitycertificatesshallindicatetheresultsoflowtemperatureimpacttestforthe

materialsreuiredforlowtemeratureimacttestindesindocuments.

qppg

:

Methodcheckqualitycertificates.

5.1.4Qualitcertificatesshallindicatetheresultsofinterranularcorrosiontestforthe

yg

materialsreuiredforinterranularcorrosiontestindesindocuments.

qgg

:

Methodcheckualitcertificates.

qy

5.1.5Qualifcertificatesshallindicatetheresultsofultrasonictestforiesandfittins

yppg

conveyingextremelyhazardousfluids.Andqualitycertificatesshallincludetheresultsof

nondestructivetestfortheiesandfittinsatdesinressureeualtoorhiherthan10MPa.

ppggpqg

:

Methodcheckqualitycertificates.

5.1.6Identificationsofiincomonentsshallbeconsistentwithualitcertificates.When

ppgpqy

identificationsofpipingcomponentsdeliveredtositeareillegibleordonotconformtoquality

,,

certificatesordisuteisraisedaainsterformancedataorinsectionresultinualitcertificates

pgppqy

acceptanceshallnotbeconducteduntiltheproblemordisputeissolved.

:

Methodexamineiincomonentsandcheckualitcertificates.

ppgpqy

,,

5.1.7Forthesamplesrequiredforspotexaminationifoneitemisnotacceptabletwofurther

samlesofthesamekindshallbeiventhesameteofexamination.Ifthetwofurthersamles

pgypp

,

examinedrevealadefectpipingcomponentsinthislotshallberejected.

:

Methodcheckexaminationreorts.

p

5.1.8Stainlesssteelandnon-ferrousmetalspipingcomponentsshallbesegregatedforstorage

,

afteraccetanceandiincomonentsshallnotdirectlcontactwithcarbonsteelandlowallo

pppgpyy

steel.

:

Methodcheckthestoraeofiincomonents.

gppgp

5.1.9Surfacedefectsfoundinmanetic-articletestorliuidenetrationtestmabeallowedto

gpqpy

begrindedoff.Butthewallthicknessaftergrindingshallnotbelessthan90%ofnominalthickness

oftheieandtheneativetolerancesecifiedindesindocumentsaswell.

ppgpg

:,

Methodvisualexaminationandmeasurementscheckingandchecktestreports.

··

65.1.10Lininoflinediesandfittinsshallbesmoothandtexturehomoeneouswithoutan

gppggy

,,

cracksorositieslaminationandotherdefectsthatmaaffecttheerformanceofroduct.

pypp

:

Methodvisualexaminationandmeasurementschecking.

5.2ExaminationandAccetanceforPies

pp

:

5.2.1Pieualitcertificatesshallincludethefollowincontents

pqyg

;

1Manufacturername

;

2Username

;

3Contractnumber

;

4Productstandardnumber

;

5Steelrade

g

,,,,();

6Heatnumberlotnumberdeliveredconditionmassnumberofiecesornumberofitems

p

,;

7Cateorsizeandualitrade

gyqyg

()

8Eachinspectionresultincludingreferencedataspecifiedinproductstandardsandpurchase

;

contract

;

9Stampoftechnicalandqualityinspectiondepartment

;

10Issuindateofualitcertificateordateofshiment

gqyp

:

Methodcheckqualitycertificates.

,

5.2.2Qualitcertificatesandiesizesuantitiesandmarksshallbecheckedaccordintoheat

yppqg

,

numberlotnumberanddeliveredcondition.

:,

Methodcheckualitcertificatesanderformvisualexaminationandmeasurements

qyp

checking.

:

5.2.3Piemarkshallincludethefollowincontentsatminimum

pg

;

1Manufacturernameortrademark

;

2Productstandardnumber

;

3Steelrade

g

;

4Productsecifications

p

5Traceableidentificationcode.

:

Methodperformvisualexamination.

,,

5.2.4Whenieissuliedinbundletwolabelsortasshallberovided.Heatnumberlot

ppppgp

,

numbermassweightornumberofpiecesandmanufacturedateshallbemarkedonthelabelsor

tas.

g

:

Methodcheckpipelabelsortags.

:

5.2.5Surfaceualitofsteelieshallconformtothefollowinreuirements

qyppgq

,,,

1Inneroroutersurfaceofsteelpipeshallbefreeofdefectssuchascracksfoldshairline

,,;

crackswrinklesearatedlaerorscabs

py

,,,

2Depthofrustdentscratchmechanicaldamageorotherunalloweddefectonsurfaceof

steelieshallnotexceedneativetoleranceofwallthicknessassecifiedinalicableroduct

ppgpppp

;

standards

3Machiningaccuracyofthreadsandgrooveatendofsteelpipeshallcomplywithdesign

’;

documentsormanufacturersstandards

4Identificationsshallbeprovidedperproductstandards.

··

7:

Methodvisualexaminationandmeasurementscheckin.

g

5.2.6Foriesconveinextremelhazardousfluidsorieatdesinressurehiherthanor

ppygyppgpg

,,

equalto10MPaifoutsidediameterislargerthan15mmprooftestshallbeconductedforouter

,,

surfaceofiesecificallmaneticarticletestshallbeerformedformaneticermeablesteel

pppygppgp

pipeandliquidpenetrationtestshallbeperformedformagneticimpermeablesteelpipe.5%of

fabricationandatleastoneiecefromeachlotshallbesotexamined.Testresultsshallconformto

pp

/

GradeIspecifiedincurrentstatestandardJBT4730.4NondestructiveTestofPressure

,:/

EuimentPart4ManeticParticleTestandJBT4730.5GradeIseciiedinNondestructive

qpgpf

,:

TestofPressureEquipmentPart5PenetrationTest.

:

Methodchecktestreorts.

p

,

5.2.7SectrumanalsisorothertestsshallbeerformedforCr-Moallosteelcroenicnickel

pypyyg

,,,,

steelmolbdenumausteniticstainlesssteelnickelandnickel-allotitaniumandtitaniumallo

yyy

zirconiumandzirconiumalloiestoverifmainmetalelementsinallosteel.5%offabrication

yppyy

()

andatleastonepiecefromeachlotinthesameheatnumberandlotnumbershallbespot

examined.

:

Methodchecktestreports.

5.3ExaminationandAcceptanceforValves

:

5.3.1Valveualitcertificatesshallincludethefollowincontents

qyg

;

1Manufacturinglicensenumber

;

2Manufacturername

;

3Productdescription

;

4Productte

yp

;

5Productnumber

;

6Alicablestandardsfollowed

pp

;

7Manufacturedate

;

8Nominalressure

p

;

9Nominaldiameter

;

10Applicabletemperature

;

11Alicablefluid

pp

;

12Valvebodymaterial

;

13Ex-factorinsectionreort

ypp

(

14Valveinspectionandtestreportsvalvesupervisionandinspectioncertificatesshallbe

);

includedifreuired

q

;

15Signatureofinspectorandinspectionstampofmanufacturer

16Ex-factorcertificate.

y

:

Methodcheckqualitycertificates.

5.3.2Namelateofmanufacturershallbeattachedonvalvebodtoindicatethefollowin

pyg

:

identificationsaserdesindocuments

pg

;

1Manufacturername

;

2Valvete

yp

;

3Nominalpressure

··

8;

4Nominaldiameter

5Productnumber.

:

Methodvisualexamination.

,

5.3.3Ifcroenicclosuretestforvalveisreuiredindesindocumentstestresultsshallbe

ygqg

includedinqualitycertificates.

:

Methodcheckualitcertificates.

qy

,

5.3.4Ifintercrystallinecorrosiontestisrequiredindesigndocumentstestresultsshallbe

includedinualitcertificates.

qy

:

Methodcheckqualitycertificates.

/

5.3.5Whennon-metallicsealinmaterialisusedasseatofvalvecontaininflammable

gg

,

combustiblefluidstheresultsoffirerooftestshallbeincludedintheualitcertificates.

pqy

:

Methodcheckualitcertificates.

qy

5.3.6Innersurfaceoflinedvalveshallbeflatandsmooth.Lininshallbefirmlbondtothe

gy

,

base.Visualexaminationshallrevealnodefectssuchascracksorbubbles.Testresultsoflining

shallbeincludedintheualitcertificatesoflinedvalve.

qy

:,

Methodvisualexaminationandcheckqualitycertificates.

,

5.3.7Valveshallbefreefromdamaesmissinartsorrust.Thesurfaceofvalvebodshallbe

ggpy

,,,,

flatandsmoothwithoutanydefectssuchascrackshrinkagecavitysandfusionlooseinterpass

andocket.

p

:

Methodvisualexamination.

5.3.8Maneticarticletestorliuidenetrationtestshallbeerformedfortheointrooveof

gpqppjg

buttweldedvalveaccordingtothefollowingrequirements.TestresultsshallconformtoGradeI

/,

secifiedincurrentstatestandardJBT4730.4NondestructiveTestoPressureEuimentPart

pfqp

:/

4MagneticParticleTestandGradeIspecifiedinJBT4730.5NondestructiveTestofPressure

,:

EuimentPart5Liuidenetrationtest.

qpqp

1100%testshallbeerformedfortherooveofsteelandchromemolbdenumsteelwith

pgy

;

lowerlimitofstandardtensilestrenthlareroreualto540MPa

ggq

25%ofroovinandatleastonerooveshallbesotexaminedfornon-austeniticstainless

gggp

steelatdesigntemperaturelowerthan-29℃.

:

Methodchecktestreorts.

p

,,

5.3.9SpectrumanalysisorothertestsshallbemadeforCr-Moalloysteelcryogenicnickelsteel

,,,

molbdenumausteniticstainlesssteelnickelandnickelallotitaniumandtitaniumallo

yyy

zirconiumandzirconiumalloyvalvestoverifymainalloymetalelementsinvalvebody.

:

Methodchecktestreorts.

p

,

5.3.10Beforevalvesareerectedshelltestshallbeperformedaccordingtothefollowing

,

reuirements.Testressureshallbe1.5timesnominalressureofvalveandtestresultsshall

qpp

confirmtoapplicablestandardsspecifiedindesigndocuments.

110%offabricationandatleastoneiecefromeachlotshallbesotexaminedforvalvesin

pp

;

desinressurelessthanoreualto1MPawhichareusedinSHC4andSHC5Classiin

gpqppg

2Valveusedinotherpipingshallbecheckedonebyone.

:,

Methodvisualexaminationandchecktestreorts.

p

,

5.3.11Backseattestlowpressureseattestandhighpressureseattestofvalvesshallbe

··

9erformedaftervalvesassclosuretest.Abovetestsshallcomlwiththevalvestandards

pppy

secifiedindesindocuments.AndexaminationercentaeshallcomlwithArticle5.3.10ofthis

pgpgpy

code.

:

Methodchecktestreorts.

p

5.3.12Hydraulictestin1.5timesdesignpressureshallbeperformedforjacketedpartofjacket

valve.

:,

Methodperformvisualexaminationandchecktestrecords.

,

5.3.13Industrialwaterkeroseneorothernon-corrosiveliuidwithviscositnothiherthan

qyg

watermaybeusedastestfluidforhydraulictestofvalve.Airorinertgasesmaybeusedastest

,

fluidforastest.Whenwaterisusedastestfluidforausteniticstainlesssteelvalvechloride

g

/

contentinwatershallnotexceed100mL.Residualwatershallbedrainedimmediateluon

gyp

comletionofthetest.

p

:,

Methodvisualexaminationandchecktestrecords.

5.3.14Safetyvalvesshallbeexaminedandacceptedaccordingtotherequirementsspecifiedin

,,,

valvesecificationsassecifiedindesindocuments.Namelateslabelscarsealsex-factor

ppgpy

documentsandqualitycertificatesofsafetyvalvesshallcomplywiththecurrentstatestandards.

:,

Methodvisualexaminationandcheckdataanddocuments.

5.3.15Steamtrapsmaybeexaminedduringoperationofthesystem.Valvesshallrevealnosteam

leakwhenclosedafterdrainae.Bimetallicsteamtrashallactwithinratedoeratintemerature

gppgp

range.

:

Methodvisualexamination.

5.3.16Valvespassedexaminationsandtestsshallbeidentified.Examinationandtestrecords

shallbereared.

pp

:

Methodchecktestrecordsandidentifications.

5.4ExaminationandAccetanceforOtherPiinComonents

ppgp

,

5.4.1Forqualitycertificatesofotherpipingcomponentsthefollowingitemsshallbechecked

:

andshallcomlwiththereuirementssecifiedinroductstandards

pyqpp

;

1Chemicalcompositionandmechanicalproperties

;

2Resultsofheattreatmentandnondestructivetest

3Otheritemsspecifiedindesigndocumentsandcontract.

:

Methodcheckualitcertificates.

qy

(),,

5.4.2Identificationsincludingcodenumbertrademarkofmanufacturersizesmaterialgrade

,

andlotnumbershallbemarkedonexteriorsurfacesofiinfittinsandshallbeconsistentwith

ppgg

qualitycertificates.

:,

Methodvisualexaminationandcheckualitcertificates.

qy

5.4.3Surfacesofpipingfittingsshallbesmoothwithoutanydefectssuchascracksandscale.

Otherdefectsonsurfaceshallnotexceedtheermissibledethsecifiedintheroductstandards.

pppp

Machininaccuracofrooveandthreadsshallmeetthereuirementssecifiedinroduct

gygqpp

standards.Weldsofweldedpipingfittingsshallbeformedproperlyandroundedwithbasemetal

,,

withoutandefectssuchascrackincomleteenetrationincomletefusionandundercut.

yppp

:

Methodvisualexaminationandmeasurementschecking.

··

10,,

5.4.4SectrumanalsisorothertestsshallbemadeforCr-Moallosteelcroenicnickelsteel

pyyyg

,,,

molbdenumausteniticstainlesssteelnickelandnickelallotitaniumandtitaniumallo

yyy

()

zirconiumandzirconiumalloypipingfittingsandflangesblindstoverifymainalloymetal

elements.5%offabricationandatleastoneiecefromeachlotshallbesotexamined.

pp

:

Methodchecktestreports.

5.4.5Foriinfittinsconveinextremelhazardousfluidoriinfittinsatdesinressure

ppggygyppgggp

,

hiherthanoreualto10MParoofnondestructivetestshallbeerformedforexteriorsurfacesof

gqpp

pipingfittings.5%offabricationandatleastonepiecefromeachlotshallbespotexamined.Test

/

resultsshallconformtoGradeIsecifiedincurrentstatestandardJBT4730.4Nondestructive

p

,:/

TestofPressureEquipmentPart4MagneticParticleTestandGradeIspecifiedinJBT4730.5

,:

NondestructiveTestoPressureEuimentPart5Liuidenetrationtest.

fqpqp

:

MethodChecktestreorts.

p

:

5.4.6Qualityofbendsshallmeetthefollowingrequirements

;

1Nocracks

;

2Nodefectssuchasover-sinteringandlamination

3Minimumwallthicknessatbendingshallnotbelessthan90%ofthenominalthickness

;

andtheneativetolerancesecifiedindesindocuments

gpg

4Thedimensionofbendafterfabricationshallmeettherequirementsspecifiedindesign

/

documents.Deviationofcenterlineofstraihtieshallnotbemorethan1.5mmmand5mm

gpp

();

Figure.5.4.6

5BendflatteningatanycrosssectionshallconformtoTable5.4.6.

:

Methodvisualexaminationandmeasurementscheckin.

g

Requiredcenter

Actualcenter

Fiure5.4.6Centerdeviationofbend

g

△-Centerlinedeviationofstraightpipe

Table5.4.6Flatteningofbend

CategoryofpipingFlattening

Pipingsubjecttoexternalpressure≤3%

,,

SHA1SHB1SHC1piping≤5%

Otherpiping≤8%

:

NoteFlatteningistheratioofthedifferencebetweenmaximumoutsidediameterandminimumoutsidediameteratbendingposition

afterbendingtooutsidediameterofpipebeforebending.

5.4.7Threadsofboltsandnutsshallbeintactwithoutdefectssuchasscratchesorburrs.

Machininaccuracshallmeetthereuirementssecifiedintheroductstandards.Boltsandnuts

gyqpp

shallbewellengagedeachotherwithoutloosingorseizing.

··

11:

Methodvisualexamination.

5.4.8SectrumanalsisshallbemadeforCr-Moalloboltsandnutsusedforiinatdesin

pyyppgg

pressureequaltoorhigherthan10MPatoverifyandproofmainalloymetallicelements.5%of

fabricationandatlestonesetofboltandnutfromeachlotshallbesotexamined.Hardnessroof

pp

testshallbemadefortwosetsofboltsandnutsfromeachlot.

:

Methodchecksectrumanalsisreortandhardnesstestreort.

pypp

5.4.9SectrumanalsisshallbemadeforCr-Moalloboltsandnutsusedforiinatdesin

pyyppgg

pressurelowerthan-29℃toverifyandproofmainalloymetallicelements.5%offabricationand

atlestonesetofboltandnutfromeachlotshallbesotexamined.Lowtemeratureimacttest

ppp

shallbemadefortwoboltsfromeachlot.

:

Methodcheckspectrumanalysisreportandimpacttestreports.

5.4.10SectrumanalsisshallbemadeforCr-Moalloboltsandnutsusedforiinatdesin

pyyppgg

pressurehigherthanorequalto400℃toverifyandproofmainalloymetallicelements.5%of

fabricationandatlestonesetofboltandnutfromeachlotshallbesotexamined.

p

:

Methodcheckspectrumanalysisreport.

5.4.11Spotexaminationshallbeperformedforgaskets.Atleastonepiecefromeachlotshallbe

:

examinedandshallmeetthefollowinreuirements

gq

,

1Spiralwoundgasketsshallbefreefromanyloosingandwarpingandgasketsurfacesshall

,,

befreeofandefectssuchasscratchesvoidsirreularitandruststainsthatmaaffectsealin

ygyyg

;

performance

,

2Finishedsizesprecisionandsmoothnessofmetalgasketsshallcomplywithdesign

,,,

documents.Metalasketsurfacesshallbefreeofandefectssuchascracksburrsrecessesradial

gy

;

scratchesorrustcorrosion

,

3Theedesofnon-metalasketsshallbecutreularlandthesurfacesshallbeflatand

gggy

,,

smoothwithoutanydefectssuchasporositieslaminationwrinklesandscratches.

:

Methodvisualexaminationandmeasurementschecking.

,,

5.4.12Flanesshallbemarkedwithidentificationsincludinstandardnumbersizesmaterials

gg

,

andpressureratingandshallbeconsistentwithqualitycertificates.Flangefacingshallbeflatand

,

smoothwithoutandefectssuchasradialscratches.Lininconnectedtoflanefacinshallbeflat

yggg

smoothandcoloruniform.

:,

Methodvisualexaminationandcheckqualitycertificates.

,

5.4.13Materialssizesandtesofcomensatindevicesshallconfirmtodesindocuments.

yppgg

Dimensionsandtoleranceshallcomplywiththestandardsspecifiedindesigndocuments.

:

Methodvisualexaminationandmeasurementscheckin.

g

,,

5.4.14Sizesmaterialsandidentificationsofbreathervalvesruturedisksandsafetaccessories

py

shallconfirmtodesigndocuments.Thetechnicalparametersincludedinqualitycertificatesshallbe

,

consistentatdesindocuments.Otherwisetheshallbereected.

gyj

:,

Methodvisualexaminationandcheckqualitycertificates.

,,

5.4.15Sizesmaterialstesandidentificationsofotheriincomonentsshallcomlwith

ypppgppy

desindocuments.Qualitaccetancecriteriashallconfirmtoalicableroductstandards.

gypppp

:,

Methodvisualexaminationandcheckqualitycertificates.

··

125.5ExaminationandAccetanceforiinSuortsandHaners

pppgppg

,,

5.5.1Pipingsupportsshallbeprovidedwithqualitycertificatesandtheirmaterialssizesand

tesshallconfirmtodesindocuments.

ypg

:,

Methodvisualexaminationandcheckqualitycertificates.

5.5.2Srintensionandcomressionscalesshallbeattachedtosrinsuortsandhanersto

pgppgppg

indicatethecorrelationbetweenloadanddislacement.Lockininshallbelockedatthedesin

pgpg

coldposition.

:

Methodvisualexamination.

5.5.3Springtypesandsizesofspringsupportsandhangersshallconfirmtodesigndocuments.

:

Methodvisualexaminationandmeasurementschecking.

··

136PiinFabrication

pg

6.1PipeFabrication

6.1.1Identificationsshallbetransferredriortocuttinofies.Steelstamsshallnotbeused

pgppp

,

forlowtemperaturesteelpipesstainlesssteelpipesandnon-ferrousmetalpipes.Fortitaniumand

,,

titaniumallozirconiumandzirconiumallomarkerscontaininhaloenorhalidematerialsshall

yygg

notbeused.

:

Methodvisualexamination.

,

6.1.2Whenflameorlasmaarccuttinisusedburrsshallberindedoffandoxidelaershallbe

pggy

removed.

:

Methodvisualexamination.

,

6.1.3Machinecuttingshallbeusedfortitaniumandtitaniumalloypipeszirconiumand

,

zirconiumalloypipesnickelandnickelalloypipesandmetalcladdedpipes.Machinecuttingor

lasmaarccuttinshouldbeusedforstainlesssteeliesandothernon-ferrousmetalies.

pgpppp

,

Dedicateddiscsshallbeusedforgrindingmachinetocutorgrindstainlesssteelpipestitanium

,

ieszirconiumiesandalloies.

ppppypp

:

Methodin-processexamination.

6.1.4Steelsawormachinecuttingshouldbeusedforgalvanizedsteelpipes.

:

Methodin-rocessexamination

p

(),

6.1.5QualityofpipecuttingFigure6.1.5shallcomplywiththefollowingrequirementsand

ieroovinshallconfirmtoArticle7.2.1ofthiscode.

ppgg

,,,

1Cuttingsurfaceshallbeflatwithoutanydefectssuchascrackscold-lapburrs

,,,;

irregularityneckingslagoxidesandironchips

2Cuttinenddeviationshallbe1%ofoutsidediameterofieandshallnotexceed3mm.

gpp

:

Methodvisualexaminationandmeasurementschecking.

Fiure6.1.5Piecuttinenddeviation

gpg

△-Cuttingenddeviation

6.2BendFabrication

6.2.1Seamlesspipeinwallthicknesswith