ASMEBPVC.III.1.NB-2021Division1—SubsectionNBClass1ComponentsSECTIONIIIRulesforConstructionofNuclearFacilityComponents2021ASMEBoilerandPressureVesselCodeAnInternationalCodeMarkingssuchas“ASME,”“ASMEStandard,”oranyothermarkingincluding“ASME,”ASMElogos,ortheASMESingleCer�fica�onMarkshallnotbeusedonanyitemthatisnotconstructedinaccordancewithalloftheapplicablerequirementsoftheCodeorStandard.UseofoftheASMESingleCer�fica�onMarkrequiresformalASMEcer�fica�on;ifnocer�fica�onprogramisavailable,suchASMEmarkingsmaynotbeused.(ForCer�fica�onandAccredita�onPrograms,seeh�ps://www.asme.org/cer�fica�on-accredita�on.)Itemsproducedbypar�esnotformallypossessinganASMECer�ficatemaynotbedescribed,eitherexplicitlyorimplicitly,asASMEcer�fiedorapprovedinanycodeformsorotherdocument.IIIRULESFORCONSTRUCTIONOFNUCLEARFACILITYCOMPONENTSDivision1-SubsectionNBClass1ComponentsASMEBoilerandPressureVesselCommitteeonConstructionofNuclearFacilityComponentsTwoParkAvenue•NewYork,NY•10016USAANINTERNATIONALCODE2021ASMEBoiler&PressureVesselCodeJuly1,20212021EditionDateofIssuance:July1,2021ThisinternationalcodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandardsanditisanAmericanNationalStandard.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“certify,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthe...
