SafetyStandardforPressureVesselsforHumanOccupancyANAMERICANNATIONALSTANDARDASMEPVHO-1–2007(RevisionofASMEPVHO-1–2002)Copyright2007bytheAmericanSocietyofMechanicalEngineers.NoreproductionmaybemadeofthismaterialwithoutwrittenconsentofASME.cCopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwhenprintedASMEPVHO-1–2007(RevisionofASMEPVHO-1–2002)SafetyStandardforPressureVesselsforHumanOccupancyANAMERICANNATIONALSTANDARDThreeParkAvenue•NewYork,NY10016Copyright2007bytheAmericanSocietyofMechanicalEngineers.NoreproductionmaybemadeofthismaterialwithoutwrittenconsentofASME.cCopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwDateofIssuance:November16,2007ThenexteditionofthisStandardisscheduledforpublicationin2010.Therewillbenoaddendaissuedtothisedition.ASMEissueswrittenrepliestoinquiriesconcerninginterpretationsoftechnicalaspectsofthisStandard.Onceapproved,interpretationsarepublishedontheASMEWebsiteundertheCommitteePagesathttp://cstools.asme.organdaresubsequentlypublishedinthenexteditionofthisStandard.UsersofthisStandardareadvisedtochecktheASMEPVHOCommitteeWebpageperiodicallyforinterpretations,errata,andcases.ASMEistheregisteredtrademarkofTheAmericanSocietyofMechanicalEngineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatoryagencies,andthepublic-at-large.ASMEdoesnot“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,ora...
