Designation:B819−00(Reapproved2011)StandardSpecificationforSeamlessCopperTubeforMedicalGasSystems1ThisstandardisissuedunderthefixeddesignationB819;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationestablishestherequirementsfortwowallthicknessschedulesofspeciallycleaned,straightlengthsofseamlesscoppertube,identifiedasTypesKandL,suitableformedicalgassystems.ThetubeshallbeinstalledinconformancewiththerequirementsoftheNationalFireProtectionAssociation(NFPA)Standard99,GasandVacuumSystems(NFPA)Standard99C,StandardforHypobaricFacili-ties(NFPA)Standard99B,andCanadianStandardsAssocia-tion(CSA)StandardZ305.1⁄Z7396.1,NonflammableMedi-calGasPipingSystems.NOTE1—TypesKandLtubearedefinedinSpecificationB88.NOTE2—Drawntempertubeissuitableforusewithcapillary(solderjoint)fittingsforbrazing.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3ThefollowingsafetyhazardcaveatpertainsonlytothetestmethodportionofSection12ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.22.ReferencedDocuments2.1ASTMStandards:3B88SpecificationforSeamlessCopperWaterTubeB251SpecificationforGeneralRequirementsforWroughtSeamlessCopperandCopper-AlloyTubeB280SpecificationforSeamlessCopperTubeforAirCon-ditioningandRefrigerationFieldServiceB601ClassificationforTemperDesignationsforCopperandCopperAlloys—WroughtandCastB846TerminologyforCopperandCopperAlloysE8TestMethodsforTensionTestingofMetallicMaterialsE18TestMethodsforRockwellHardnessofMetal...
