API675計量泵

1、APISTD*b75540?32210D5COPYRIGHT2000AmericanPetroleumInstituteAugust30,200011:53:44InformationHandlingServices,20(COPYRIGHT2000AmericanPetroleumInstituteAugust30,200011:53:44InformationHandlingServices,20(PositiveDisplacementControlledVolumeAPISTANDARD675SECONDEDITION,OCTOBER1994APISTD*b?5D732250APIST

2、D*b?5D732250COPYRIGHT2000AmericanPetroleumInstituteAugust30,200011:53:44InformationHandlingServices,20(COPYRIGHT2000AmericanPetroleumInstituteAugust30,200011:53:44InformationHandlingServices,20(PositiveDisplacementPurrControlledVolumeManufacturing,DistributionandMarketingDiAPISTANDARD675SECONDEDITIO

3、N,OCTOBER1994APIST*L75RMAPIST*L75RMSPECIALNOTESLAPIPUBLICATIONSNECESSARILYADDRESSPFNATURE.WITHRESPECTTOPARTICULARCIRCUMANDFEDERALLAWSANDREGULATIONSSHOULDAPIISNOTUNDERTAKINGTOMEETTHEDUTIE；FACTURERS,ORSUPPLIERSTOWARNANDPROFTHEIREMPLOYEES,ANDOTHERSEXPOSED,CO1SAFETYRISKSANDPRECAUTIONS,NORUNDERTAIUNDERLO

4、CAL,STATE,ORFEDERALLAWS.INFORMATIONCONCERNINGSAFETYANDHEPRECAUTIONSWITHRESPECTTOPARTICULARITIONSSHOULDBEOBTAINEDFROMTHEEMPLOY)ORSUPPLIEROFTHATMATERIAL,ORTHEMATERNOTHINGCONTAINEDINANYAPIPUBUCATIO卜GRANTINGANYRIGHT.BYIMPLICATIONOROTHFACTURE,SALE,ORUSEOFANYMETHOD,APPAREREDBYLETTERSPATENTNEITHERSHOULDAlT

5、HEPUBLICATIONBECONSTRUEDASINSURINGAITYFORINFRINGEMENTOFLETTERSPATENT.1GENERALLY,APISTANDARDSAREREVIEWEFIRMED,ORWITHDRAWNATLEASTEVERYFIVONE-TIMEEXTENSIONOFUPTOTWOYEARSWILVIEWCYCLE.THISPUBLICATIONWILLNOLObYEARSAFTERITSPUBLIC/CTIONDATEASANOPERWHEREANEXTENSIONHASBEENGRANTED,UPCTUSOFTHEPUBLICATIONCANBEAS

6、CERTAINEDINGDEPARTMENTTELEPHONE(202)6828000COPYRIGHT2000AmericanPetroleum1：!旦處fOrmtiOnHlndlJJg19!發(fā)甲期?20(August30,200011:53:44QUARTERLYBYAPI.1220LSTREET,N.W.,WASHINtAPISTD*b?5TU07322500,COPYRIGHT2000AmericanPetroleumInstituteAugust30,200011:53:44InformationHandlingServices,20(APIST*b?S54073225D0.FORE

7、WORDThisstandardisbasedontheaccumulatedknowledgeiandusersofdisplacementpumps.Theobjectiveofthispuspecificationtofacilitatethemanufactureandprocuremenuseinthepetroleum,chemical,andgasindustries.Thisstandardrequiresthepurchasertospecifycertain彳isrecognizedthatthepurchasermaydesiretomodify,dfstandard,i

8、tisstronglyrecommendedthatallmodificatioibemadebysupplementingthisstandard,ratherthanbyrtionsthereofintoanothercompletestandard.APIstandardsarepublishedasanaidtoprocurementofterials.ThesestandardsarenotintendedtoinhibitpurchasiorproducingproductsmadetootherstandardsAPIpublicationsmaybeusedbyanyonede

9、siringtod(bytheInst讓ututoassuretheaccuracyandreliabilityofthetheInstitutemakesnorepresentation,wananty,orguararlicationandherebyexpresslydisclaimsanyliabilityorressuitingfromitsuseorfortheviolationofanyfederal,stwhichthispublicationmayconflict.Suggestedrevisionsareinvitedandshouldbesubmitteturing,Di

10、stributionandMarketingDepartment,Ameri*b75H40732250PAPPENDIXDCONTROLLEDVOLUMEPUMPVENDANDDATAREQUIREMENTSAPPENDIXENETPOSITIVESUCTIONHEADVERSIINLETPRESSURE-Tables1一MinimumRequirementsforPipingMaterials2MaximumSeverityofDefectsinCastingsB-lMaterialSpecificationsforMeteringPumpParts二APIST*b?55H073225005

11、312APIST*b?55H07322500531220(20(APISTD*b?554D73225DAPIST*b?55H073225005312APIST*b?55H07322500531220(20(APISTD*b?554D73225DPositiveDisplacementFControlledVolurrSECTION1GENEF1-1ScopeThisstandardcoverstheminimumrequirementsforcontrolledvolumepositivedisplacementpumpsforuseinserviceinthepetroleum,chemic

12、al,andgasindustries.Bothpacked-plungeranddiaphragmtypesareincludedDiaphragmpumpsthatusedirectmechanicalactuationareexcludedSeeAPIStandard674forreciprocatingpumpsandStandard676forrotaiypumps.Note:Abullet()atthebeginningofaparagraphindicatesthateitheradecisionisrequiredorfurtherinform乩tionistabeprovid

13、edbythepurchaserThisinformationshouldbeindicatedonthedatasheets(seeAppendixA);otherwiseitshouldbestatedinthequotationrequestorintheorderAlternativeDesignsThevendormayofferalternativedesigns.Equivalentmetricdimensions,fasteners,andflangesmaybesubstitutedasmutuallyagreeduponbythepurchaserandthevendor.

14、ConflictingRequirementsIncaseofconflictbetweenthisstandardandtheinquiryororder,theinformationincludedintheordershallgovern*DefinitionofTermsTennsusedinthisstandardaiudefinedinL4.1through1.4.28.COPYRIGHT2000AmericanPetroleumInstituteInformationHandlingiumeoflbestfitsiumeandofapumcentoftlitheequijJaco

15、nstarduringeiorhydra/thehighpermita1AA0continuesignedtlferred)pressure1.4,11imumccSerViMferred)August30,20001l453：441APIStandard675thepumpingsystemwiththefluidattheratedcapacityandnormalpumpingtemperature.Note:SelectedequipmentandfinalpipingacousticlayoutwilldictatefinalaccelerationhealandresultingN

16、PSHAMetpositivesuctionheadrequired(NPSHR)istheNPSHinmeters(feet)5includingaccelerationhead,determinedbyvendortesting,usuallywithwater.NPSHRismeasuredatthesuctionflangeNPSHRisthetninimuinNPSHatratedcapacityrequiredtopreventmorethan3percentcapacitydropduetocavitationwithinthepump,Apanelisanenclosureus

17、edtomountsdisplay,andprotectgauges,switches,andotherinstruments,Preliminaryanticipatedsystemaccelerationheadistheestimatedpressurechangeduetochangesinvelocityinthepipingsystem,Itisanimportantfactorintheapplicationofreciprocatingpumpsbecauseofthepulsatingnatureoftheflowinthepumpsuctionline,inaddition

18、toNPSHR,vaporpressure,andheadrequiredtoovercomesuctionlinelosses,1.4.28Tlsignpower,speed)shotThisterminsignerand11.5Re1.5-1Thdards.OthcasmutuallythatitcanIceedtheAr1.5.2Thespecificatiothisstandarofthisstamcodes,andsmutually輕AFBMA1StdNote:ForadditionalinformationonaccelerationheadfrefertoHydraulicIns

19、titutestandardRatedcapacityisthequantityoffluidactuallydeliveredperunitoftimeatthestatedoperatingconditions*StdRatedcapacityincludesliquidandanydissolvedorentrainedgasesorsolids,andisbasedonsuctionconditions,StdIStd2Rateddischargepressureistherequireddischargepressureofthepumpatratedcapacity,speed,s

20、uctionpres-suretspecificgravity,andviscosity.onn1-4,22Remotereferstoadevicelocatedawayfromthe門COPYRIGHT2000AmericanPetroleumInstituteInformationHandlingServices,AOMA2August30,2000mI1：53：44。】APIST*b75540732250APIST*b75540732250APISTD*b?554D73225DPositiveDisplacementPumpsContrchTOC o 1-5 h zStd615Soun

21、dControlofMechanicalEquipmentforA:RefineryServices(OutofPrint)Std618ReciprocatingCompressorsforGeneralRe*fineryServicesA:RP683QualityImprovementManualforMechanicalEquipmentinPetroleum,Chemical,andGasIndustriesManualofPetroleumMeasurementStandards,Chapter15A1GuidelinesfortheUseoftheInternationalSyste

22、mofUnits(SI)inthePetroleumandA:AlliedIndustriesASME3BoilerandPressureVesselCode,SectionyNondestructiveExamination;SectionVIII,PressureVessels;andSectionIX,WeldingandBrazingQualificationsBL1UnifiedInchScrewThreads(UNandUNRThreadForm)BL20.1PipeThreads,GeneralPurpose(Inch)B1氐1CastIronPipeFlangesandFlan

23、gedFittingsB16.5PipeFlangesandFlangedFittings,SteelNickelAlloyandOtherSpecialAlloysB16.llForgedFittings,Socket-WeldingandThreadedB16*42DuctileIronPipeFlangesandFlangedFittings.Class150and300B313ChemicalPlantandPetroleumRefineryPipingY14.2MLineConventionsandLetteringA：AlA：A：A：A：A：ASTM4A48Specificatio

24、nforGrayIronCastingsCOPYRIGHT2000AmericanPetroleumInstituteInformationHandlingServices,August30,200011:53:44:.-APIST*L75D732250OJAPIST*L75D732250OJAPIST*b?5073220NACE7CorrosiotMR-01-9(NEMAaMG1NFPA7CTh(apartofth“TheminethemtgovernmentareapplicabItisblespecifics1.6UniThefactoiMeasuremeiarytoSIurounded

25、off,7NationalAssoTexas77218,aNationalElect!ington,DQ2C9NationalFireMassachusettsL0HydraulicInsCOPYRIGHT2000AmericanPetroleumInstituteAugust30,200011:53:44SEC咱OMOWBMGiPE31APIStandard675B473SpecificationforUNSN08020tUNSN08026fandUNSN08024tNickelAlloyBarandWireB584SpecificationforCopperAlloySandCasting

26、sforRadiographicTestingD1418PracticeforRubberandRubberLatices-NomenclatureE94RecommendedPracticeforRadiographicTestingE125ReferencePhotographsforMagneticParti-cleIndicationsonFerrousCastingsE142MethodforControllingQualityofRadiographicTestingE709PracticeforMagneticParticleExaminationAWS5DL1Structura

27、lWeldingCode_teelISO5228PipeThreadsWherePressure-TightJointsAreNotMadeontheThreadsPart1uDes-ignation/DimensionsandTolerancesJJandPart2VerificationbyMeansofLimitGauges*7005MetallicFlanges,PartI一“SteelFlanges1*andPartIIetCastIronFlangesAmericanWeldingSociety,550N*W.LeJeuneRoad,Miami,Florida33135.Inter

28、nationalOrganizationforStandardization.ISOpublicationsareavail-cibiefromANSI(AmericanNationalStandardsInstitute,11West42ndStreet,NewYork,NewYork10036).PositiveDesplacementPumpsComtr(valves.Majorpartsshallbedesignedandmanufacturedtoensureaccuratealignmentonreassembly.2U0Thepumpdesignshallallowaccessf

29、oradjustmentorreplacementofliquidendcomponentsincludingpacking,seals,checkvalves,andotherwettedpartsthatrequiremaintenance.-11Thecheckvalvesshallberemovablefromtheliquidendforservicingorreplacement.Ifremovablespoolpiecesarerequiredinthepurchaserpipingtoaccomplishthis,thevendorshallsostateinthepropos

30、al2J.12Thepurchaserwillspecifywhethertheinstallationisindoors(heatedorunheated)oroutdoors(withorwithoutaroof),aswellastheweatherandenvironmentalconditionsinwhichtheequipmentmustoperate(includingmaximumandminimumtemperatures,unusualhumidity,anddustyorcorrosiveconditions).Sparepartsforthemachineandall

31、furnishedauxiliariesshallmeetallthecriteriaofthisstandard.Thepumpflowrateshallbeadjustableoverthespecifiedturndownratiowhilethepumpisrunning.Ratedcapacityshallbeatleast110percentofthemaximumcapacityspecified,2d.16Thesteadystateflowaccuracyshallbewithinplusorminus1percentoveraturndownratioofatleast10

32、:1”Note：Itshouldberecognizedthatthisaccuracygenerallycannotbeguaranteedbelow10percentofratedflow.2.1.17Theflowrepeatabilityshallbewithinplusorminus3percentofratedflowoverthespecifiedturndownratio.minimizings,meboltdialshallbetappedh1%times224andnutsstudshathrough2.2.5/IASMEI2252specifictcationst2254

33、typebolbythepinutendJalignmeiandrea!jackscreoneofthSerViceS,綢ofthefavalves(both2.5Dia|DiapmotionfrombecompatibtemperaturesflexingregasufficientthiSinjmounted)miSingblediaphragiflexure,Doioverextensiophragms)shbertotransmsecondarydjpatiblewithCOPYRIGHT20August30,2shallmeetthematerialrequirementsofthe

34、liquidend*Plugsthatmaylaterrequireremovalshallbeofcorrosion-resistantmaterial.Lubricantofthepropertemperaturespecificationshallbeusedonallthreadedconnections.TapeshallnotbeOOPpliriMopetixoiehoTstijutinf.PlpiOiq00】AmericinPetroleumInstituteInformation甲怕g點1：53：】44!：termediateiaphragmsin、athreadedpl2.6

35、PacHandlingServices,20(2.6.1Pad2.3.5Tappedopeningsnotconnectedtopipingshallbe255Unlepluggedwithsolid,round-headsteelplugsfurnishedinac-intendedtopicordancewithASMEB16.1LAsaminimum,theseplugsprovideatapPositiveDisplacementPumpsontrcshallbeself-seatingandshallbeeasilyaccessibleforadjust-2.11.2merit,re

36、pair,orreplacement*amount2*7.2Packed-plungerpumpsrequireexternalreliefvalvesdrauliccTOC o 1-5 h zformountinginthepurchaserpiping.(344.5)212Gears2-12-1Allgearsusedinthepumpdriveassemblyshallbemetal.tUa*r山TheyshallbedesignedwithAGMAcriteriaasaguideand2A2.2withaminimumservicefactorof1.5perAGMA341.02ora

37、utomati6010asapplicable.Thegearlubricationsystemshallbeself-byfieldcontained.2J2.3manualh2-9EnclosuredicationJThedriveenclosureshallusematerialsofsufficientnameplastrengthandthicknesstoprovidestable,accuratealignmentdevicet(ofdriveparts..2Thedriveenclosureshallbeprovidedwithanoilpumpfkdrain

38、atthelowpointofthehousingandwithfillprovisionsindieatoisothatoilmaybechangedwithoutdisturbingthepumpinstallation,2.1329.3Theenclosureshallbesuitableformountingoncon-2.13.1creteslabsormasonryandshallbeweatherproofanddust-21311Hght*standardAUstaticsealsandgasketsonthedriveenclosurequtredoshallbeleakag

39、efreeforatleast3yearsrDynamicsealsshalldard*(S*b75540?92aH0(APIStandard6752J3.1.6Thepurchaserwillspecifyanycorrosiveagentspresentinthemotiveandprocessfluidandintheenvironment,includingconstituentsthatmaycausestresscorrosioncracking.Ifpartsexposedtoconditionsthatpromoteintergranularcorrosionaretobefa

40、bricated,hardfaced,overlaid*orrepairedbywelding,theyshallbemadeoflow-carbonorstabilizedgradesofausteniticstainlesssteeLNote:Overlaysorhardsurfacesthatcontainmorethan0.10percentcarboncansensitizebothlow-carbonandstabilizedgradesofausteniticstainlesssteelunlessabufferlayerthatisnotsensitivetointergran

41、ularattackisapplied.WherematingpartssuchasstudsandnutsofAISIStandardTpe300stainlesssteelormaterialswithsimilargallingtendenciesareused,theyshallbelubricatedwithanantiseizurecompoundofthepropertemperaturespecificationandcompatiblewiththespecifiedfluid.Note:Torqueloadingvalueswilldifferconsiderablywit

42、handwithoutanantiseizurecompound.-Materialsexposedtoasourenvironment(wetH2S),asdefinedbyNACEMR-01-90,shallbeinaccordancewiththerequirementsofthatstandardFerrousmaterialsnotcoveredbyNACEMR-01-90shallbelimitedtoayieldstrengthnotexceeding6200bar(90,000psi)andahardnessnotexceedingRockwellC22*Not

43、e:ItistheresponsibilityofthepurchasertodeterminetheamountofHSthatmaybepresent,consideringnormaloperation,startup,shutdown,idlestandby,upsets,orunusualoperatingconditionssuchascatalystregeneration.Inmanyapplications,smallamountsofaresufficientIorequireNACEmaterials.WhentherearetracequantitiesofHSknow

44、ntobepresentoriftherei$anyuncertaintyabouttheamountofH2Sthatmaybepresent,thepurchasershouldautomaticallynoteonthedatasheetsthaNACEmaterialsarerequired.HandlinCOPYRIGHT2000AmericanPetroleumInstituteInformationAugust30,2000f，Cin53M44Ebrittlefractuonlyfullyki)ticeareacce2.13,1.13casingsshallforsteelca(

45、ASTMAn194,Grade:wherespace(-20low-ASTMA32CX2.1321Cshrinkholes,injuriousdefinthematerfacesofcastiing,chemicMold-partin；chipped,file1heldtoamilsionfree(pliblewiththeIshallnotberin,orimprej2.1323.1g)-Servicesy200.-*1上tju亠-ji-a*wdsikTanttraPositiveDisplacementPumpscntrAminimumofoneset(t

46、hreesamples)ofCodearCharpyV-notchimpactspecimensatone-thirdthethicknesspressunofthetestblockshallbemadefromthematerialadjacenttoformedthetensilespecimenoneachkeelorYblockThesespeci-2134mensshallhaveaminimumimpactvalueof14joules(10wroughfoot-pounds)atroomtemperature,terialssi2A32.6.2ThekeelorYblockca

47、stattheendofthepourshallthroughbeatleastasthickasthethickestsectionofthemaincasting.2.13.4213.263Integrallycasttestbosses,preferablyatleast25millimeters(1inch)inheightanddiameter,shallbeprovidedatcriticalareasofthecastingforsubsequentremovalforthepurposesofhardnesstestingandmicroscopicexamination.Cr

48、iticalareasaretypicallyheavysections,sectionchanges,high-stresspointssuchasdrilledlubricationpoints,valveports,flanges,andotherpointsagreeduponbythepurchaserandthevendor.ClassificationofgraphitenodulesshallbeinaccordancewithASTMA247,Anas-castsamplefromeachladleshallbechemicallyanalyzed.Brin

49、ellhardnessreadingsshallbemadeontheactualcastingatfeasiblelocationsonsectionchanges*flanges,andvalveports.Sufficientsurfacematerialshallberemovedbeforehardnessreadingsaremadetoeliminateanyskineffect.Readingsshallalsobemadeattheextremitiesofthecastingatlocationsthatrepresentthesectionspouredfirstandl

50、astTheseshallbemadeinadditiontoBrinellreadingsonthekeelorYblocks.FORGINGSCOPYRIGHT2000AmeriAn半這慾專密笛曰也0*idlingtideortionVII2_13.4jbymagbackchimant.2.13.4jthecyliifull-pen2.13.4Jponents2.13A52.13.4Jpurchasneticpaweldsis2.13.4Jdenumishallbedenumchrome沁藥S3聲August30,2000目1：5344：fAPISTD*h75TH073225DOSAPIS

51、TD*h75TH073225DOSAPIST*b?5叭07322010APIStandard675Thevendorshallexercisecautionintheselectionofmaterialsintendedforservicebetween-30QC(-20T)and40C(100T).2d3.5.2Allpressure-containingcomponents,includingnozzles,flanges,andweldments,shallbeimpacttestedinaccordancewiththerequirementsofSectionVIII,Divisi

52、on1,SectionsUSC-65through6&oftheASMECode.High-alloysteelsshallbetestedinaccordancewithSection111,Division1,SectionUHA-51,oftheASMECode.ImpacttestingisnotrequirediftherequirementsofSectionVIII,Division1,SectionUG-20F,oftheASMECodearemet.NominalthicknessforcastingsasdefinedinSectionVIII,DivisionI,Para

53、graphUCS-66(2),oftheASMECodeshallexcludestructuralsupportsectionssuchasfeetorliftinglugs.TheresultsoftheimpacttestingshallmeettheminimumimpactenergyrequirementsofSectionVIII,Division1,SectionUG-84oftheASMECode.Thepurchaserwillspecifytheminimumdesignmetaltemperatureusedtoestablishimpacttestre

54、quirements.Note:Normallythiswillbetheloweroftheminimumsurroundingambienttemperatureorminimumfluidpumpingtemperature;however,thepurchasermayspecifyaminimummetaltemperaturebasedonfluidpumpedpropertiessuchasautorefrigerationatreducedpressures.2.14NaArvisiblelocatpieceofauxiRolmajoritemction,NamepANSISt

55、andialloy(Moneithesamema2,14.3Ththemachinetype,aswelsignlimitstures,speedpressuresanshallappearspecifyontltobeshown2J5QiReferto/onimprovinSECTION3ACCESSOR3ADriversElectricalTypeofeiSoundpreglservices;l00500.31dThetypeofdriverwillbespecified.Thedrivershallbesizedtomeetthemaximumspecifiedoperatingcond

56、itionsin-AUpURtGHO,2200o制eOStroleum應(yīng)stitute5tftsmatiot-HandlinPositiveDisplacementPumpsContfGuardsshallbesuppliedbythevendorforexposed3-4shaftsorcouplings.TheyshallbemanufacturedinaccordancewithanyspecifiedcodesBaseplates3-3.1Thepumpshallbeprovidedwithabaseplateorequivalentarrangementsuitabl

57、eforpermanentmounting#Baseplates,orpumpframes,shallhaveprovisionsforboltingthecompleteunitrigidlytoafoundation.3-3.2Pumpswithseparatedriversshallbeprovidedwithcontinuousbaseplatesunderboththepumpandthedriven3-3-3Machinerysupportsshallbedesignedtolimitachangeofalignmentcausedbytheworstcombinationofpr

58、essure,torque,andallowablepipingstressto50micrometers(0.002inch)atthecouplingflange*3-3.4Whenepoxygroutisspecified,thevendorshallcommerciallysandblast,inaccordancewithSSPCSP6,allthegroutingsurfacesofthemountingplatesandshallprecoatthesesurfaceswithacatalyzedepoxyprimerappliedtodegreasedwh讓emetal*The

59、epoxyprimershallbecompatiblewithepoxygrout.ThevendorshallsubmittothepurchaserinstructionsforfieldpreparationoftheepoxyprimerNote:Epoxyprimershaveaiimiledlifeafterapplication.Thegroutmanufacturershouldbeconsultedtoensureproperfieldpreparationofthemountingplateforsatisfactorybondingofthgrout*3.3-5Anch

60、orboltsshallnotbeusedtofastenmachinerytothemountingplates.336Thevendorofthemountingplatesshallfurnishstainlesssteelshimpacksofatleast3millimeters(J4-mch)COPYRIGHT2000AmericanPetroleumInstituteInformationHandlinginstallaldard61mentatishallco3.4,matic,Isystemualovecontrolbefumi3.422correspequi