Z084003430SPC002 Controls Valves.docx

Z084003430SPC002 Controls Valves.docx

《Z084003430SPC002 Controls Valves.docx》由会员分享，可在线阅读，更多相关《Z084003430SPC002 Controls Valves.docx（32页珍藏版）》请在冰点文库上搜索。

Z084003430SPC002ControlsValves

KOREANATIONALOILCORPORATION

BLACKGOLDOILSANDSPROJECT

IMVPROJECTNO.Z08400

SPECIFICATIONFORCONTROLVALVES

INSTRUMENTATIONSPECIFICATION

B

03/10/08

IssueForDesign

DB

A

10-APr-08

IssueForApproval

DB

TA

REV.

NO

DATE

REVISIONDESCRIPTION

ORIGINATOR

CHECKED

APPROVED

TABLEOFCONTENTS

1.0SCOPE3

2.0REFERENCES,CODESandSTANDARDS3

3.0GENERAL5

4.0CONTROLVALVEAPPLICATIONS6

5.0VALVEBODY7

6.0VALVETRIM11

7.0SIZING13

8.0ANTI-CAVITATION16

9.0ANTI-FLASHING16

10.0ACOUSTICS16

11.0ACTUATORS16

12.0CONTROLVALVEACCESSORIES19

13.0MARKINGS24

14.0INSPECTIONANDTESTING25

15.0PREPARATIONFORSHIPMENT27

16.0SELLERDOCUMENTATION28

1.0SCOPE

Thescopeofthisspecificationistoestablishminimumstandardsforthedesignfeaturesandtechnicalspecificationsforthesupplyofcontrolvalvesandaccessories.

Intheeventofdifferencesbetweenthe"InstrumentDataSheet"andthisspecification,the"InstrumentDataSheet"willtakepreference.

2.0REFERENCES,CODESandSTANDARDS

Thelatesteditionofthefollowingnationalcodes,standardsandallapplicablelocalcodes/regulationsformapartoftheSpecification:

GovernmentRegulations

CSASect18CECpt1

BoilersandPressureVesselsActandRegulations

CSAB51

CRNCanadianRegistrationNumber

IndustryStandards

HandbookofControlValves,2nded.,Hutchison,J.W.,ed.,ResearchTrianglePark,N.C.,ISA,1976

ControlValves,PracticalGuidesforMeasurementandControl,Borden,G.,editor,ISA,1998

ANSI/ASME

ANSIB16.5

PipeFlangesandFlangedFittings

ANSIB16.34

Valves-FlangedandButtWeldedEnd

ANSIB31.1

PowerPiping

ANSI/ASMEB31.3

ChemicalPlantandPetroleumRefineryPiping.

ANSI/FCI70.2

AmericanNationalStandardforControlValveSeatLeakage.

ISA–Instrumentation,Systems,AndAutomationSociety

ISAS5.1

InstrumentationSymbolsandIdentification

ISAS75.01

FlowEquationsforSizingControlValves

ISAS75.03

Face-To-FaceDimensionsforFlangedGlobe-StyleControlValveBodies（ANSIClasses125#,150#,250#,300#and600#）.

ISAS75.04

Face-To-FaceDimensionsforFlangelessControlValves（ANSIClasses150#,300#and600#）.

ISAS75.05

ControlValveTechnology

ISAS75.08

InstalledFace-to-FaceDimensionsforFlangedValves.

ISAS75.11

InherentFlowCharacteristicsandRangeabilityofControlValves

ISAS75.16

Face-To-FaceDimensionsforFlangedGlobe-StyleControlValveBodies（ANSIClasses900#,1500#,and2500#）.

ISAS75.17

ControlValveAerodynamicNoisePrediction

ISAS75.19

HydrostaticTestingofControlValves

ISARP75.23

ConsiderationsforEvaluatingControlValveCavitation

NACE–NationalAssociationOfCorrosionEngineers

NACEMR0175/ISO15156

Petroleumandnaturalgasindustries—MaterialsforuseinH2S-containingenvironmentsinoilandgasproduction

MSS–ManufacturersStandardizationSociety

MSS-SP-55

QualityStandardsforSteelCastingsforValves,FlangesandFittingsandOtherPipingComponents-VisualMethod.

3.0GENERAL

TheSellershallberesponsibleforsupplyingallmaterialscompatiblewiththeprocessfluid（s）asspecifiedwithinthe"InstrumentDataSheet".TheSellershallcompletethematerialsportionofthe"InstrumentDataSheet"andsubmitaspartofthebidproposal.

TheSellershallberesponsibleforsizingofthecontrolvalvebasedontheprocessinformationcontainedwithinthe"InstrumentDataSheet".TheSellershallincludethevalveandtrimsizewithinthe"InstrumentDataSheet"andsubmitaspartofthebidproposal.Onreceiptofanorder,thesellershallsubmitacertifiedsizingcalculationforOwner,ClientandBuyerreviewandacceptance.

TheSellershallberesponsibleforassurancethatthecontrolvalvenoiselevelshallmeettherequirementsaslaidoutinSection10.0ofthisspecificationand/ortheconditionsspecifiedwithinthe"InstrumentDataSheet".Onreceiptofanorder,thesellershallsubmitacopyofthecalculatedsoundpressurelevel（SPL）foreachcontrolvalveandthedatausedtodeterminethisvalue.

ControlvalvesandvolumetanksshallhaveaCanadianRegistrationNumber（CRN）denotingAlbertaBoilersBranch（ABB）registration.

CSAapprovalforthespecifiedareaclassificationisrequiredforallelectrical/electroniccomponentssuppliedwithacontrolvalve.

Allcontrolvalveactuators,andaccessoriesshallbecapableofoperatingthroughoutanambienttemperaturerangeof-40°C（-40°F）to+40°C（+105°F）.

WheretheSellerwishestotakeanexceptionorintroduceanalternate,theymustdosobyclearlydefiningsameanddetailingthecostdifferencesinvolvedand/oradvantageswhereapplicableandobtainapprovalfromOwner,ClientandBuyer.

Materials

Allvalvematerialsshallbeasthedescriptioninthepurchaseorder,thisspecificationandtheInstrumentDataSheet.Incaseofconflictmaterialshallbeasperdatasheet.

Controlvalvesbodiesarenottobespecifiedwithany‘yellowmetals’（brass,copper,orcopperalloys）,thisshallapplytoallinternalandallexternalpartsofthevalveassembly.

MaterialSubstitutions

Whenmaterialsubstitutionsareproposedbytheseller,specificationsheetsshallbefurnishedforOwner,ClientandBuyerapprovalwhichincludechemicalandphysicalproperties,meltingpractice,deoxidationpractice,deoxidationmaterials,heattreatmentandgrainsize.Allsupplementaryrequirementsoftheoriginalspecificationsuchasimpacttests,whereapplicable,shallapplytothesubstitutedmaterials.

ThefollowingsubstitutionsaregenerallyacceptablebutaresubjecttoOwner,ClientandBuyerreviewandacceptance.

WhereType304stainlesssteelisspecified,Type316stainlesssteelmaybeoffered.SubstitutionofausteniticstainlesssteelvalvesforferriticalloyvalvesshallrequirereviewandacceptancebyOwner,ClientandBuyer.

Wherepressure-containingpartshavebeenspecifiedasforged,substitutionofcastingsisnotpermittedwithoutOwner,ClientandBuyerreviewandacceptance.Forgedpartsmaybesubstitutedforcastingswithoutreviewandacceptance.

ASTMA350,GradeLF2andASTM352,GradeLCCareanacceptablesubstituteforASTMA352,GradeLCB.

Ifmaterialsaresubstituted,alltagmarkingsanddocumentationmustreflecttheactualmaterialsused.

4.0CONTROLVALVEAPPLICATIONS

TheSellershallselectcontrolvalvedesignbasedontherequirementsoftheapplication,processoperatingconditions,andthisspecification.Ifmorethanoneofthefollowingconcernsarepresenttheapplicationmaybestbeservedbyconsideringit“severe”

∙cavitationpotentialexists（kc>0.6）

∙highvibration/noiseexpected

∙flashingservice

∙erosivefluids

∙singlepointfailure

∙historicalknowledge

∙dp/p1>0.5–（differentialpressure/inletpressure>0.5）

Applications

Applications,commonnamesanduses,andtheirkeyattributescoveredunderthisspecificationaredefinedinChapter12oftheISAGuide,“ControlValves,PracticalGuideforMeasurementandControl”

ProcessControl/FeedRegulation

Keyattributesforprocesscontrol/feedregulationapplicationsareaccuracyofcontrolresultingfromsmallsignalchanges,andhighrangeabilityresultingfromincreasedpressuredifferentialsthatexistacrossthecontrolvalveduringstart-up,shutdown,andlow-loadprocessconditions.

ContinuousLetdown

Thekeyattributeforcontinuousletdownapplicationsisaccuracyofcontrol.

IntermittentLetdown

Keyattributesforintermittentletdownapplicationsaretightshut-offandfaststrokespeeds.

Recirculation

Keyattributesforrecirculationapplicationsaretightshut-off,anti-cavitationand/orlownoisetrim,andpipevibrationelimination.

5.0VALVEBODY

Dimensions

Thevalvebodysizeshallnotbelessthan1NPS.Whereasizesmallerthan1NPSisrequired,a1NPSbodywithreducedtrimshallbeused.

Sizes1-1/4,2-1/2,and5NPSarenotstandard,usesizes1-1/2,3and6NPSrespectivelyasdirectreplacements.Itispreferredthatthevalvedoesnotuseareducedtrimsize

Face-to-facedimensionsforallflangedglobecontrolvalves,ANSIClasses300#through600#,shallconformtoANSI/ISAS75.03.

FlangedendvalvesoutsidethescopeofANSI/ISAS75.03（i.e.ANSIClasses900#,1500#and2500#）shallmeetANSIB16.5,ANSIB16.34,ANSI/ISAS75.19andface-to-facedimensionsasperANSI/ISAS75.16

Connections

AllcontrolvalvesshallbeminimumANSIClass300#R.F.flange,unlessotherwisespecifiedinthe"InstrumentDataSheet".

Butterflycontrolvalvesmaybespecifieduptoamaximumoperatingtemperatureof250°C（500°F）.

Butterflycontrolvalvebodymaterialsshallhavethesamenominalcoefficientofthermalexpansionastheboltingmaterialandadjacentflanges.Butterflyvalvesshallbeofthe‘LuggedSingleFlange‘typewithallboltingholesdrilledthrough.Allvalvestobeinstalledwithstudsandnuts,nocapscrews.

WherecontrolvalvebodyconnectionsotherthanANSIR.F.flangearerequired,itwillbespecifiedinthe"InstrumentDataSheet".

Theremovalofflangedendsfromvalvesinordertosupplybuttweldedvalvesisstrictlyprohibited

EndconnectionsshallbespecifiedbytheBuyer

FlangedconnectionsshallcomplywithASMEB16.5.Dimensionsofflangeslargerthan24”sizeshallcomplywithindustrystandardandshallbespecifiedbytheBuyer.Raisedface（RF）flangesshallbeusedforlinesrateduptoandincludingASMEClass600anduptoadesigntemperatureof480°C（900°F）.ThegasketcontactsurfaceofraisedfaceflangedvalvesuptoandincludingASMEClass600ratingsshallbesmoothmachine-finished.

Ringjoint（RTJ）flangesshallbeusedforlinesratedASMEClass900andab