ANAMERICANNATIONALSTANDARDASMEB16.38-2012(RevisionofASMEB16.38-2007)LargeMetallicValvesforGasDistributionManuallyOperated,NPS2½(DN65)toNPS12(DN300),125psig(8.6bar)MaximumREAFFIRMED2017ASMEB16.38-2012(RevisionofASMEB16.38-2007)LargeMetallicValvesforGasDistributionManuallyOperated,NPS21⁄2(DN65)toNPS12(DN300),125psig(8.6bar)MaximumANAMERICANNATIONALSTANDARDThreeParkAvenue•NewYork,NY•10016USADateofIssuance:September21,2012ThenexteditionofthisStandardisscheduledforpublicationin2017.ASMEissueswrittenrepliestoinquiriesconcerninginterpretationsoftechnicalaspectsofthisStandard.PeriodicallycertainactionsoftheASMEB16CommitteemaybepublishedasCases.CasesandinterpretationsarepublishedontheASMEWebsiteundertheCommitteePagesathttp://cstools.asme.org/astheyareissued.ErratatocodesandstandardsmaybepostedontheASMEWebsiteundertheCommitteePagestoprovidecorrectionstoincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedonthedateposted.TheCommitteePagescanbefoundathttp://cstools.asme.org/.Thereisanoptionavailabletoautomaticallyreceiveane-mailnotificationwhenerrataarepostedtoaparticularcodeorstandard.ThisoptioncanbefoundontheappropriateCommitteePageafterselecting“Errata”inthe“PublicationInformation”section.ASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdocument,anddoesnotu...
