BS EN 12953-9_2007

BRITISHSTANDARDBSEN1295392007SHELLBOILERSPART9REQUIREMENTSFORLIMITINGDEVICESOFTHEBOILERANDACCESSORIESTHEEUROPEANSTANDARDEN1295392007HASTHESTATUSOFABRITISHSTANDARDICS2706030G49G50G3G38G50G51G60G44G49G42G3G58G44G55G43G50G56G55G3G37G54G44G3G51G40G53G48G44G54G54G44G50G49G3G40G59G38G40G51G55G3G36G54G3G51G40G53G48G44G55G55G40G39G3G37G60G3G38G50G51G60G53G44G42G43G55G3G47G36G58LICENSEDCOPYAUBUSER,NA,SUNSEP02002906GMT00002007,UNCONTROLLEDCOPY,CBSIBSEN1295392007THISBRITISHSTANDARDWASPUBLISHEDUNDERTHEAUTHORITYOFTHESTANDARDSPOLICYANDSTRATEGYCOMMITTEEON31AUGUST2007BSI2007ISBN9780580586552NATIONALFOREWORDTHISBRITISHSTANDARDISTHEUKIMPLEMENTATIONOFEN1295392007THEUKPARTICIPATIONINITSPREPARATIONWASENTRUSTEDTOTECHNICALCOMMITTEEPVE/2,WATERTUBEANDSHELLBOILERSALISTOFORGANIZATIONSREPRESENTEDONTHISCOMMITTEECANBEOBTAINEDONREQUESTTOITSSECRETARYTHISPUBLICATIONDOESNOTPURPORTTOINCLUDEALLTHENECESSARYPROVISIONSOFACONTRACTUSERSARERESPONSIBLEFORITSCORRECTAPPLICATIONCOMPLIANCEWITHABRITISHSTANDARDCANNOTCONFERIMMUNITYFROMLEGALOBLIGATIONSAMENDMENTSISSUEDSINCEPUBLICATIONAMDNODATECOMMENTSLICENSEDCOPYAUBUSER,NA,SUNSEP02002906GMT00002007,UNCONTROLLEDCOPY,CBSIEUROPEANSTANDARDNORMEEUROPENNEEUROPISCHENORMEN129539JULY2007ICS2706030ENGLISHVERSIONSHELLBOILERSPART9REQUIREMENTSFORLIMITINGDEVICESOFTHEBOILERANDACCESSORIESCHAUDIRESTUBESDEFUMEPARTIE9EXIGENCESPOURLESDISPOSITIFSDELIMITATIONDELACHAUDIREETDESESACCESSOIRESGROWASSERRAUMKESSELTEIL9ANFORDERUNGENANBEGRENZUNGSEINRICHTUNGENANKESSELUNDZUBEHRTHISEUROPEANSTANDARDWASAPPROVEDBYCENON26MAY2007CENMEMBERSAREBOUNDTOCOMPLYWITHTHECEN/CENELECINTERNALREGULATIONSWHICHSTIPULATETHECONDITIONSFORGIVINGTHISEUROPEANSTANDARDTHESTATUSOFANATIONALSTANDARDWITHOUTANYALTERATIONUPTODATELISTSANDBIBLIOGRAPHICALREFERENCESCONCERNINGSUCHNATIONALSTANDARDSMAYBEOBTAINEDONAPPLICATIONTOTHECENMANAGEMENTCENTREORTOANYCENMEMBERTHISEUROPEANSTANDARDEXISTSINTHREEOFFICIALVERSIONSENGLISH,FRENCH,GERMANAVERSIONINANYOTHERLANGUAGEMADEBYTRANSLATIONUNDERTHERESPONSIBILITYOFACENMEMBERINTOITSOWNLANGUAGEANDNOTIFIEDTOTHECENMANAGEMENTCENTREHASTHESAMESTATUSASTHEOFFICIALVERSIONSCENMEMBERSARETHENATIONALSTANDARDSBODIESOFAUSTRIA,BELGIUM,BULGARIA,CYPRUS,CZECHREPUBLIC,DENMARK,ESTONIA,FINLAND,FRANCE,GERMANY,GREECE,HUNGARY,ICELAND,IRELAND,ITALY,LATVIA,LITHUANIA,LUXEMBOURG,MALTA,NETHERLANDS,NORWAY,POLAND,PORTUGAL,ROMANIA,SLOVAKIA,SLOVENIA,SPAIN,SWEDEN,SWITZERLANDANDUNITEDKINGDOMEUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEUROPENDENORMALISATIONEUROPISCHESKOMITEEFRNORMUNGMANAGEMENTCENTRERUEDESTASSART,36B1050BRUSSELS2007CENALLRIGHTSOFEXPLOITATIONINANYFORMANDBYANYMEANSRESERVEDWORLDWIDEFORCENNATIONALMEMBERSREFNOEN1295392007ELICENSEDCOPYAUBUSER,NA,SUNSEP02002906GMT00002007,UNCONTROLLEDCOPY,CBSIEN1295392007E2CONTENTSPAGEFOREWORD41SCOPE62NORMATIVEREFERENCES63TERMSANDDEFINITIONS74REQUIREMENTSFORLIMITER941GENERAL942MATERIALSANDDESIGN943ELECTRICALEQUIPMENT1044FAULTASSESSMENT1045MARKING125SPECIALREQUIREMENTSFORWATERLEVELLIMITERS1451COMPONENTS1452DESIGN1453FLOATINGDEVICES1554LEVELELECTRODEDEVICES1555EXAMINATIONOFFUNCTIONALCAPABILITY1656FAULTDETECTION196SPECIALREQUIREMENTSFORPRESSURELIMITERS1961COMPONENTS1962ADDITIONALFAULTASSESSMENTREQUIREMENTS1963DESIGN1964ELECTRICALEQUIPMENT2065EXAMINATIONOFFUNCTIONALCAPABILITY2066FAULTDETECTION227SPECIALREQUIREMENTSFORTEMPERATURELIMITERS2271COMPONENTS2272DESIGN2273ELECTRICALEQUIPMENT2474EXAMINATIONOFFUNCTIONALCAPABILITY248SPECIALREQUIREMENTSFORFLOWLIMITERS2581COMPONENTS2582DESIGN2583ELECTRICALEQUIPMENT2584EXAMINATIONOFFUNCTIONALCAPABILITY25ANNEXAINFORMATIVELIMITINGDEVICE26ANNEXBINFORMATIVEEXAMPLEOFANEXAMINATIONPLAN27ANNEXCINFORMATIVEMARKINGOFLIMITERS29ANNEXDNORMATIVEIMMUNITYAGAINSTELECTRICALANDELECTROMAGNETICINFLUENCESREQUIREMENTSANDTESTING32D1GENERAL32D2IMMUNITYAGAINSTMAINSVOLTAGEVARIATIONS32D3IMMUNITYAGAINSTSHORTTIMEVOLTAGEINTERRUPTIONSANDREDUCTIONS32D4IMMUNITYAGAINSTMAINSFREQUENCYCHANGES33D5IMMUNITYAGAINSTELECTROSTATICDISCHARGEESD33D6IMMUNITYAGAINSTFASTTRANSIENTDISTURBANCEVARIABLESBURST33D7IMMUNITYAGAINSTSURGES34D8IMMUNITYAGAINSTHIGHFREQUENCYELECTROMAGNETICFIELDS34D9IMMUNITYAGAINSTCONDUCTEDDISTURBANCESINDUCEDBYHIGHFREQUENCYFIELDS35D10IMMUNITYAGAINSTPOWERFREQUENCYMAGNETICFIELDS35LICENSEDCOPYAUBUSER,NA,SUNSEP02002906GMT00002007,UNCONTROLLEDCOPY,CBSIEN1295392007E3ANNEXZAINFORMATIVERELATIONSHIPBETWEENTHISEUROPEANSTANDARDANDTHEESSENTIALREQUIREMENTSOFEUDIRECTIVE97/23/EC36BIBLIOGRAPHY37LICENSEDCOPYAUBUSER,NA,SUNSEP02002906GMT00002007,UNCONTROLLEDCOPY,CBSIEN1295392007E4FOREWORDTHISDOCUMENTEN1295392007HASBEENPREPAREDBYTECHNICALCOMMITTEECEN/TC269“SHELLANDWATERTUBEBOILERS”,THESECRETARIATOFWHICHISHELDBYDINTHISEUROPEANSTANDARDSHALLBEGIVENTHESTATUSOFANATIONALSTANDARD,EITHERBYPUBLICATIONOFANIDENTICALTEXTORBYENDORSEMENT,ATTHELATESTBYJANUARY2008ANDCONFLICTINGNATIONALSTANDARDSSHALLBEWITHDRAWNATTHELATESTBYJANUARY2008THISDOCUMENTHASBEENPREPAREDUNDERAMANDATEGIVENTOCENBYTHEEUROPEANCOMMISSIONANDTHEEUROPEANFREETRADEASSOCIATION,ANDSUPPORTSESSENTIALREQUIREMENTSOFEUDIRECTIVESFORRELATIONSHIPWITHEUDIRECTIVES,SEEINFORMATIVEANNEXZA,WHICHISANINTEGRALPARTOFTHISDOCUMENTTHEEUROPEANST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