PowerPipingASMECodeforPressurePiping,B31ANAMERICANNATIONALSTANDARDASMEB31.1-2007(RevisionofASMEB31.1-2004)Copyright2007bytheAmericanSocietyofMechanicalEngineers.NoreproductionmaybemadeofthismaterialwithoutwrittenconsentofASME.cCopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwhenprintedASMEB31.1-2007(RevisionofASMEB31.1-2004)PowerPipingASMECodeforPressurePiping,B31ANAMERICANNATIONALSTANDARDThreeParkAvenue•NewYork,NY10016Copyright2007bytheAmericanSocietyofMechanicalEngineers.NoreproductionmaybemadeofthismaterialwithoutwrittenconsentofASME.cCopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwDateofIssuance:December7,2007The2007editionofthisCodeisbeingissuedwithanautomaticupdateservicethatincludesaddenda,interpretations,andcases.Theuseofaddendaallowsrevisionsmadeinresponsetopublicreviewcommentsorcommitteeactionstobepublishedonaregularbasis;revisionspublishedinaddendawillbecomeeffective6monthsaftertheDateofIssuanceoftheaddenda.ThenexteditionofthisCodeisscheduledforpublicationin2010.ASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdo...
