1、INTERNATIONA1.STANDARDISO25457editionSecond2023-10Oi1.andgasindustriesinc1.uding1.owercarbonenergyF1.aredetai1.sforgenera1.refineryandpetrochemica1.serviceIndustriesdupetro1.eetdugaz,ycomprisIesenergiesafaib1.eteneurencarboneDetai1.ssur1.estorchesdusagegenera1.dansIesraffineriesetdansIesusinesp1.roc
2、himiquesCOPYRIGHTPROTECTEDDOCUMENTISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InyM1.tta0DmkfifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsforewordNormativereferences1Terinsaiiddefinitions1Siinn1.ementstnAPI537.3rdedition2017)4.1Genera1.requirements
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6、iceof（八）patent(三)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementersare眺曲瞪曲第骑tm部WWjSOQFg/眸IentS瞧媪肥加砒ion,扁MMSPOn赖岫油嬲部铀解Orasuchpatentrights.Anytradeusedinthisconstitutenameendorsenent.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstand
7、ards,themeaningofISOspecifictermsand娅四则曲1.逆侬通T断O)assEif1.Sm懵SinWe帼1.吼。nBar池例四dead网&ccs逖r11isoorgisoforeword.htmI.现如硼7W用Ira福部&先傩海f掰也期解&Wc狼瞅,n旗讥ed栩硼恋/蝌依怖OnSviththeEuropeanCommitteeforStandardization(CEN)Technica1.CommitteeCEN/TC12,Oi1.andgasindustriesinc1.uding1.owercarbonenergy,inaccordancewiththeAgr
8、eementontechnica1.cooperationbetweenISOandCEN(ViennaAgreement).Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO25457:2008),whichhasbeentechnica1.1.yrevised.Thisdocumentsupp1.ementsAPIStd537,3r*edition(2017)inc1.udingAddendum1.Thetechnica1.requirementsofthisdocumentandAPIStd537usedtobeidentic
9、a1.InthemeantimeAPIStd537hasbeentechnica1.1.yrevisedasAPI537,3rdedition(2017)withAddendum1.ThepurposeN(ingc木般圈】匕ituptodate,byreferencingthecurrenteditionofAPIStd537andThemainchangesareasfo1.1.ows:supp1.ementaryrequirementseditionforpe1.1.etf1.areignitionsystems;updateofthevo1.umetricf1.owformu1.a.Af
10、t物鼠1.比鹤和由fWhstftft1.iesthiscahdggHRftHFh。UWWW!隐图membe得；Wi1.nationa1.standardsbody.AOi1.andgasindustriesinc1.uding1.owercarbonenergy一F1.aredetai1.sforgenera1.refineryandpetrochemica1.service1 Scopepressure-re1.ievingmaintenancevapor-depressurizingSystemscombustionpetro1.eum,petrochemica1.,Componentsn
11、atura1.gasapp1.icationsdocumentisPnniari1.yandintendcdpracticcsonshorcse1.ection,specification,re1.atedmechanica1.Thisdocumentapp1.icab1.esupp1.ementexceptionsspecifiedin(2017)document.Addendum1,therequirements2 Normativereferencesconstitutesrequircments1.atestcditiondocumcnt.rcfercncedrefercnccs,(i
12、nc1.udingamendments)app1.ies.app1.ies.Industries,S37,ThirdAddendu11(2020)AddendumtoF1.areDetai1.sforPetro1.eum,Petrochemica1.,andNatura1.Gas3 Termsanddefinitionsthefo1.1.owingapp1.y.ISOOn1.inebrowsingp1.atform：avai1.ab1.eatHtpst/wwwdse.wg/obp3.1ba1.1.istic/pyrotechnica1.ignitionsystem4Supp1.ementsto
13、API537,3rdedition(2017)4.1Genera1.requirementsand-4.Thisdocumentspecifiesrequirementsandprovidesguidancefbrthese1.ection,design,specification,operation,andandoff1.aresre1.atedfbrandmechanica1.andusedinindustries.Whi1.ethisisinc1.uded.Guidancebestforforthefaci1.ities,guidanceandtooffshoredetai1.sforf
14、1.aresandonthedesign,operation,andmaintenanceoff1.arecombustionandre1.atedequipmentisa1.soprovided.ofwhichareiswiththeAPI537,3meditionthisinc1.udingThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.ytheanyeditionci
15、tedEorAPIStd537,3rdedition(2017),F1.areDetai1.sforPetro1.eum,Petnychemica1.fandNatura1.GasIndustriesAPIStdEdition1,Forthepurposesofthisdocument,thetennsanddefinitionsgiveninAPI537,3rdedition(2017)andISOandIECmaintaintermino1.ogydatabasesfbruseinstandardizationatthefo1.1.owingaddresses:IECE1.ectropcd
16、ia:avai1.ab1.eathttps:/www.e1.ec1.ropedia.org/11aretipignitionsystembasedonprojecti1.etechno1.ogythatis1.aunchedfromacabinetViaaguidetubetothef1.aredeckTherequirementsspecifiedinAPI537.3rdedition(2017)sha1.1.app1.y,withtheexceptionspecifiedin4.24.21.imitationsfordesignproceduresTherequirementsspecif
17、iedinPI537,3dedition(2017),C1.ause4sha1.1.app1.ywiththefo1.1.owingaddition.Directf1.areignitionbyba1.1.istic/pyrotechnica1.ignitionsystems:HteapproH9,fttta1.1.isti)9Hnica1.ignitionsystemsdesignsavai1.ab1.efromwhichtose1.ecttheDirectI1.areignitionsystems,i.e.ba1.1.istic/pyrotechnica1.ignitionsystems,
18、sha1.1.inc1.udethefo1.1.owingcomponents： amanua1.orautomatic1.aunchingsystemab1.etode1.ivertheprojecti1.etothef1.aretopp1.atform;OH曲材UQwhWBiPePIatwiStfcthattheprojecti1.eistransportedfrom1.aunch1.ocationtode1.iverypoint amethodforde1.iveringbycompresseddrynitrogenorairtheprojecti1.etothetip(somese1.
19、f-prope1.1.edprojecti1.escanbeconsideredasana1.ternative); acapturedevicetoco1.1.ectspentprojecti1.essafe1.y.Severa1.constraintssha1.1.beapp1.iedtotheseignitionsystems：a) Theguidetubesha1.1.bepurgedinconformitywithmanufacturersrecommendationtoavoidb1.ockagewithinthetubefromwaterorsandordustandmainta
20、inadryatmosphere.Inaddition,returningdowntheguideIUbe/pipe.b) Projecti1.essha1.1.besafeforhand1.ing,storageand1.oading,andforremova1.intheirspentstate.ThisInformationshou1.dbeprovidedatthebiddingstage.c) Thesupp1.iersha1.1.haveasystemtocontainspentpmjecti1.esinasafe1.ocation.Informationonthissystems
21、hou1.dbeprovidedatthebiddingstage.TheSupp1.iersha1.1.d) droppedobjects,ensureSafeburnoutofthesparksaroundthetiptoensurethattherearenohot4.3Vo1.umetricf1.owrateTherecommendationsspecifiedinAPI537,3rdedition(2017)tE.2.3FormGenera1.3r1.ine6,Equation(E.3)shou1.dapp1.yutttehefo1.1.owingexception:%=3091%JICS75.180.20Pricebasedon2pages
