ISO／DIS 23551-11：2020.docx

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1、DRAFTINTERNATIONA1STANDARDISO/DIS23551-11Votingterminateson:2023-05-12ISO/TC161Votingbeginson:2023-02-18Secretariat:DINSafetyandcontro1devicesforgasburnersandgas-burningapp1iancesParticu1arrequirements一Part11:Automaticshut-offva1vesforoperatingpressureofabove500kPauptoandinc1uding6300kPaICS:27.060.2

2、0THISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOASANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDE

3、REDINTHE1IGHTOFTHE1RPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthecommitteesecreta

4、riat.ReferencenumberISO/DIS23551-112023(E)ISO2023COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingon

5、theinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fax:41227490947Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitze

6、r1andPageContentsForewordIntroductionScopNormativereferencesTermsanddenitionsC1assification4.14.24.34.4C1assesofcontro1s4.1.1C1assificationsaccordingtotheirpurpose.-.Groupsofcontro1sTypesofDCsupp1iedcontro1sC1assesofcontro1functionTestconditionsTo1erancesCovstructon,.46.2Constructionrequirements4621

7、Annparanrp46.2.2Ho1es56.2.356.2.41imiter6.25Screwedfastenings56.2.656.2.76.28Dismant1ingandreassemb1ingforservicingand/oradjustment66.2.966.2.10Prp-spttingdevice76.2.11C1osedpositionindicatorswitch76.2.12Va1vewithmodu1atingcontro176.2.13Othercontro1sassemb1edtoava1ve86.2.14RAIanredVa1VeS86.2.15C/1va

8、1veconstruction86.2.16Visua1positionindicatorQ6.2.17By.pass96.2.18Semi-automaticva1ve96.3Mi1teriak106.3.1Genera1materia1requirements-106.3.2Housing106.3.3Resistancetocorrosionandsurfaceprotection126.3.4Impregnation126.3.5Sea1sforg1andsformovingparts126.3.6126.3.7C1osuremembers126.3.8Partstransmittin

9、gthec1osingforce136.3.9BaIanCedVa1VeS136.3.10BeI1OWS136N11Rp!istanrptnnrpssurp146.4Connections146.4.1Cnera146.4.2Connectionsizes156.4.3Connectionstypes156.4.4Threads一156.4.56.4.6UnionjointsF1anges6.4.7Compressionfittings166.4.86.4.9NiPP1pqfrPrPqqUretests6.4.10Strdjners176.4.11GasconnectionsbyGQCJ76.

10、4.12176.SGascontro1semn1vinpe1ectrica1comnnentsintheaswav176.5.1Genera1176.5.276.5.3Testbyignitiontria1176.5.4176.6Pneumaticandhydrau1icactuatingmechanisms17Performance7.1Genera118187.21pak-Hphtnp187.2.1eera187.2.2187.2.3Tpct87.3Torsionandbendinn197.3.1Genera1197.3.2Torsion197.3.3Bendingmoment197.3.

11、4Torsionandbendinptests207.4Rafpdf1ew*c207.4.1PnPra207.4.2207.4.3Tpst207.5Durabi1itv217.5.1E1astomersincontactwithgas217.5.2Resistanceto1ubricantsofe1astomersforgas217.5.3Markingresistance217.5.4Resistancetoscratching21755Resistancethumiditv217.6Fiinctinna1rpniiirements227.6.1C1osingfunctionconcerni

12、ngremanence227.6.2C1Cqjngfrcc227.6.3De1aytimeandopeningtime237.6.4C1osingtime237.6.5Sea1ingforce247.66C1nsinpfnrtinnrncerninpremanencp257.7P257.7.1Genera1257.7.2Requirement257.7.3TeSt257.7.4F1oaCharaCter1St1CS277.8Vibration278Gciicrd1278.2 &CU1rementS278.3 Test278.4 Protectionbyenc1osure.-278.5 E1ec

13、trica1strengthforva1ves27Heatin，278.6.1Genera1278.6.4Switches28288.6.5P1ugconnector28.7Powpr*Avingcircuit298.7.1C1osingoftheva1ve29298.7.3Testofpower-savingcircuitsFEE29E1ectromagneticcompatibi1ity(EMC)requirementsforimmunity9.1PrntprtinnapaintPnvirnnmpnta1inf1pnrp.-29299.2Harmonicsandinterharmonicsinc1udingmainssigna11ingata.c.powerport,1owfreuenevimmunitvtests299.3Vo1tagedips,vo1tageinterruptionsandvo1tagevariationsinthepowersupp1ynetwork299.3.1Vo1tagedipsandinterruptions