SH3518阀门检验和管理规程.docx

SH3518阀门检验和管理规程.docx

《SH3518阀门检验和管理规程.docx》由会员分享，可在线阅读，更多相关《SH3518阀门检验和管理规程.docx（23页珍藏版）》请在冰豆网上搜索。

SH3518阀门检验和管理规程

本英文版为内部资料，仅供参考，以中文版为准。

TheChineseversionofstandardshasprecedencetotheirEnglishtranslationswhichareonlyforinternalreference.

SH

中华人民共和国行业标准

IndustrialStandardofthePeople'sRepublicofChina

PSH3518—2000

阀门检验与管理规程

Codeforvalvesinspectionandmanagement

Issuance：

30-06-2000Implementation：

01-10-2000

Issuedbythe

StateBureauofPetroleumandChemicalIndustry

中华人民共和国行业标准

IndustrialStandardofthePeople'sRepublicofChina

阀门检验与管理规程

Codeforvalvesinspectionandmanagement

SH3518-2000

Mainlypreparedby：

BuildingandInstallationEngineeringCo.ofBeijingYanshanPetrochemicalCo.,Ltd.

Authorizedby：

ChinaPetroleumandChemicalGroupCo.

Approvedby：

StateBureauofPetroleumandChemicalIndustry

Beijing2000

NoticefortheApprovalof10PetrochemicalIndustrialStandardsSuchAs“CodeforDesignofWasteWater

TreatmentinPetrochemicalEnterprises”

No.：

SPCB（2000）239

Sinopec,

Thisistonotifythatwehaveapprovedyourprotocolwithregardto10petrochemicalindustrialstandardssuchasCodeforDesignofWasterWaterTreatmentinPetrochemicalSectors.Thefollowingisthedesignationsandnumbersofthesestandards：

Compulsorystandards：

No.CodeNo.ofStandardTitleofStandard

1．SH3095-2000CodeforDesignofWasteWaterTreatmentinPetrochemical

Enterprises

2．SH3097-2000CodeforDesignofElectrostaticGroundinginPetrochemical

Industry

3．SH3098-2000CodeforDesignofTowersinPetrochemicalIndustry（to

replaceSYJ1049-83）

4.SH3099-2000StandardfortheQualityofWaterSupplyandDrainagein

PetrochemicalIndustry（toreplaceSHJ1080-91）

5．SH3100-2000CodeforEngineeringMeasurementinPetrochemical

Industry

6．SH3010-2000TechnicalSpecificationsforthethermalInsulationof

EquipmentandPipinginPetrochemicalIndustry（toreplaceSHJ10-90andSYJ1022-83）

7．SH3502-2000CodeforConstructionandAcceptanceofTipiping（to

replaceSHJ502-82）

8.SH3513-2000CodeforConstructionandAcceptanceofAluminumHopper

inPetrochemicalIndustry（toreplaceSHJ513-90）

9．SH3518-2000RegulationforInspectionandManagementofValves（to

replaceSHJ518-91）

Recommendedstandards：

No.CodeNo.ofStandardTitleofStandard

1．SH/T3511-2000TechnicalRegulationsfortheCrackerinEthylenePlant

（toreplaceSHJ511-89）

Oct.1，2000shallbethecommencementdateforimplementationoftheabovestandardsandtheendingdateforthereplacedstandards.

Regards,

TheStatePetrochemicalIndustrialBureau

June30，2000

Content

1.GeneralRules………………………………………………………………………5

2.ValveInspection………………………………………………………………………6

2.1Generalregulations………………………………………………………………6

2.2Appearancecheck………………………………………………………………6

2.3Checkandtestforvalvedriver…………………………………………………7

2.4Othercheckandinspection………………………………………………………8

3.ValveTest………………………………………………………………………………9

3.1Generalregulations………………………………………………………………9

3.2Housingpressuretestofvalves…………………………………………………10

3.3Sealingtestofvalves……………………………………………………………10

3.4Adjustmenttestforsafetyvalves………………………………………………13

3.5Adjustmenttestforothervalves…………………………………………………13

4.ManagementofValves………………………………………………………………14

4.1Valvestorage……………………………………………………………………14

4.2Valveprotection…………………………………………………………………14

4.3Documentmanagementofvalves………………………………………………15

DescriptionofWords……………………………………………………………………15

Attachment:

DescriptionofClausesandArticles……………………………………16

1.GeneralRules

1.0.1Thiscodeisusedforinspectionandmanagementforsomenonferrousmetalvalvesincludinggeneralpetrochemical–industrialcastiron,carbonsteel,alloysteelandstainlesssteel,aswellascopper,aluminumandtitaniumoneswithdesignpressureof400Pa（absolutepressure）~42Mpa（gaugepressure）anddesigntemperatureof–196~850℃beforetheyaremounted.

1.0.2Thevalveinspectionshallbeconductedaccordingtothedesigndocumentationunlessotherwisespecifiedinit.

1.0.3Therelativeexternalinspectionstandardshouldbefollowedforthevalvesproducedincompliancewithexternalstandardwhentheyareinspected.

1.0.4Safetytechniqueandlaborprotectionforvalveinspectionshouldbecarriedoutaccordingtothecoveringregulationsincurrentnationallaws,standardsand<>SH350.

1.0.5Forvalveswhichareproducedaccordingtothecurrent<>SH3064orAPIStandardwithrelativecertificationidentification,andsupervisedformanufacturingandacceptedinthemanufacturer’splantbythecustomer,checkforqualitymaterialandvalvetestspecifiedinthiscodecanbeconductedbythenumberof5%ofeachbatch（notlessthan1piece）priortomounting,andinspectionshallbeperformedforthemonebyoneifthereareproblems.

2.ValveInspection

2.1Generalregulations

2.1.1Thevalvesmustbeaccompaniedbyqualityverificationdocumentation.Manufacturer’snameplateshallbelocatedonthevalvebody,identificationssuchasmanufacturer’sname,valvetype,nominalpressureandnominalthroughdiameter,etcshallbeonthenameplateandvalvebodyandtheyshouldconformtotheregulationsin<>GB12220.

2.1.2Theverificationdocumentationofproductqualityforthevalvesshouldconsistofthefollowing:

1.Manufacturer’snameandex-factorydate;

2.Name,typeandspecificationofproduct;

3.Nominalpressure,nominalthroughdiameter,suitablemediaandtemperature;

4.Followedstandards,inspectionconclusionanddate;

5.Ex-factorynumber;

6.Signatureandstampingbyinspectorsandtheleader.

2.1.3Valveswithlow-temperaturesealingtestoperatedaccordingtorequirementsofdesignshouldbeaccompaniedbymanufacturer’slow-temperaturesealingtestcertificate.

2.1.4Magneticparticleandrayinspectionsforcaststeelvalvesshouldbeagreedbetweenthecustomerandsupplier.Ifitisnecessary,thesuppliershalloperateaccordingtotheinspectionstandardrequiredbythecontractandmaketheinspectionreport.

2.1.5Forthestainlessvalveswithintercrystallinecorrosiontestbeingoperatedaccordingtotherequirementsofdesigndocument,themanufacturershouldprovidetheintercrystallinecorrosiontestcertificate.

2.1.6Appearanceinspectionmustbeimplementedbeforethevalveismounted.

2.2Appearancecheck

2.2.1Forthetransportationofvalve,openingandclosingpositionshouldconformtothefollowingrequirements:

1.Valvesincludinggatevalve,globevalve,throttlevalve,controlvalve,butterflyvalveandfootvalveshouldbefullyclosed.

2.Closingcomponentsofthecockvalveandballvalveshouldbeallinfullyopenposition.

3.Diaphragmvalveshallbeinclosingpositionandnottootightlyinordertopreventthediaphragmfromdamaging.

4.Bladesofcheckvalveshouldbeclosedandfixed.

2.2.2Phenomenasuchasdamage,lackofparts,corrosionorpull-offofthenameplateforthevalvesmustn’tbepermitted,anditmustnotbedirtyinsidethevalvebody.

2.2.3Thereshallbeprotectivecoveronthetwoendsofvalve.Thehandleandhandwheelshouldbeflexiblyoperatedwithoutanyjam.

2.2.4Whenthevalvebodyismadefromcast,itssurfaceshouldbesmoothandevenwithoutanydefectssuchascrack,shrinkagecavity,blister,porosityorblur,etc;whenitisforging,thereshouldnotbeanydefectssuchascrack,sandwich,cold-lap,scarormissingfilletonitssurface.

2.2.5Movementofthebladesorcoreforthecheckvalveshouldbeflexibleandaccuratewithoutanyeccentricity,shiftingoraslant.

2.2.6Spring-typesafetyvalveshouldhaveleadsealingandlevertypesafetyshallhavethelocationdevicefortheweight.

2.2.7Rubber-lined,enamel-linedandplastic-linedinnersurfaceofthevalvebodyshouldbeevenandsmooth,theliningandbaseshallbebondedfirmlywithoutanydefectsincludingcracksandbubble.Theliningshallbequalifiedifitisn’tsparkedover（whiteflashoccurs）whensurfacesoftheliningarecheckedonebyonebymeansofhigh-frequencysparkigniter.

2.2.8Flangesealingfaceofthevalveshouldmeettherequirementswithoutradialscratch.

2.3Checkandtestforvalvedriver

2.3.1Forthevalvesusedforthegearandwormgeartodrive,theirdrivingmechanismshouldbecheckedandcleanedaccordingtothefollowingrequirements:

1.Thewormandwormgearshouldhavegoodengagementandoperateflexiblywithoutjamorexcessivewearing.

2.Thegearmatingsurfaceandbearingoftheopeningtypemechanismshouldbecleanedandfilledwithnewlubricationgrease;

3.Valveswithclosingtypemechanismshouldbecheckedby10%samplingandnotlessthan1piece,insidethemechanism,itshallbeclearwithoutdirtandwithcompleteparts,drivingcomponentshavenobluraswellasclearanceamongallpartsandthematingsurfaceshouldconformtotherequirements.Ifproblemsarefound,thedrivingmechanismofthisbatchofthevalvesshouldbecheckedonebyone;

4.Openingthecovertocheck,thelubricationgreaseofthisbatchofthevalvesshouldbereplacedifitisfoundtodeteriorate.

2.3.2Forthevalveswithchainwheelmechanism,itscentersurfaceofchainsupportandchainwheelshallkeepinconsistence.Checkchain’soperationaccordingtotheworkingposition,itsmovementshouldbesmoothandnotoutofslot,thechainshouldhavenodefectssuchasdecyclization,sealingoff,rustinessornonconformancewiththechain’spitch.

2.3.3Theairpressureorhydraulicdrivenvalvesshouldhaveairorwateras