ASME B16.20-2007 管法兰用环垫式、螺旋缠绕式和夹层式金属垫片

MetallicGasketsforPipeFlangesRing-Joint,Spiral-Wound,andJacketedANAMERICANNATIONALSTANDARDASMEB16.20-2007(RevisionofASMEB16.20-1998)ASMEB16.20-2007(RevisionofASMEB16.20-1998)MetallicGasketsforPipeFlangesRing-Joint,Spiral-Wound,andJacketedANAMERICANNATIONALSTANDARD--```,,,,`,````,`,,,`,```,,,`,``-`-`,,`,,`,`,,`---DateofIssuance:May19,2008ThenexteditionofthisStandardisscheduledforpublicationin2013.Therewillbenoaddendaissuedtothisedition.ASMEissueswrittenrepliestoinquiriesconcerninginterpretationsoftechnicalaspectsofthisStandard.InterpretationsarepublishedontheASMEWebsiteundertheCommitteePagesat“approve,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithanyitemsmentionedinthisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,isentirelytheirownresponsibility.Participationbyfederalagencyrepresentative(s)orperson(s)affiliatedwithindustryisnottobeinterpretedasgovernmentorindustryendorsementofthiscodeorstandard.ASMEacceptsresponsibilityforonlythoseinterpretationsofthisdocumentissuedinaccordancewiththeestablishedASMEproceduresandpolicies,whichprecludestheissuanceofinterpretationsbyindividuals.Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.TheAmericanSocietyofMechanicalEngineersThreeParkAvenue,NewYork,NY10016-5990Copyright©2008byTHEAMERICANSOCIETYOFMECHANICALENGINEERSAllrightsreservedPrintedinU.S.A.CONTENTSForeword..............................................................................ivCommitteeRoster.....................................................................vCorrespondenceWiththeB16Committee..............................................viImportantInformationConcerningUseofAsbestosorAlternativeMaterials............vii1Scope..............................................................................12Ring-JointGaskets..................................................................13Spiral-WoundGaskets...............................................................24JacketedGaskets....................................................................3Tables1MaximumHardnessforRingGaskets..............................................12RingGasketMarkings.............................................................23TypeRRingGasketDimensionsandTolerances....................................44PipeSizesforTypeRRingGasketsSuitableforReferencedStandards...............75TypeRXRingGasketDimensionsandTolerances...................................96PipeSizesforTypeRXRingGasketsSuitableforReferencedStandards.............117TypeBXRingGasketDimensionsandTolerances...................................128PipeSizesforTypeBXRingGasketsSuitableforReferencedStandards.............139DimensionsforSpiral-WoundGasketsUsedWithASMEB16.5Flanges..............1410DimensionsforSpiral-WoundGasketsUsedWithASMEB16.47SeriesAFlanges....1611DimensionsforSpiral-WoundGasketsUsedWithASMEB16.47SeriesBFlanges....1812Inner-RingInsideDiametersforSpiral-WoundGasketsforUseWithASMEB16.5Flanges.........................................................................2013Inner-RingInsideDiametersforSpiral-WoundGasketsUsedBetweenASMEB16.47SeriesAFlanges..........................................................2114Inner-RingInsideDiametersforSpiral-WoundGasketsUsedBetweenASMEB16.47SeriesBFlanges..........................................................2215MinimumPipeWallThicknessSuitableforUseofSpiral-WoundGasketsWithInnerRingsforASMEB16.5Flanges.............................................2316MaximumBoreofASMEB16.5FlangesforUseWithSpiral-WoundGaskets.........2417MaximumBoreofASMEB16.47SeriesAFlangesforUseWithSpiral-WoundGaskets...........................................................2518MaximumBoreofASMEB16.47SeriesBFlangesforUseWithSpiral-WoundGaskets...........................................................2619ColorCodingandAbbreviationsforSpiral-WoundGasketMaterials................2720ExampleMarkingsforSpiral-WoundGaskets.......................................2821JacketedGasketDimensionsforASMEB16.5Flanges...............................2922JacketedGasketDimensionsforASMEB16.47SeriesAFlanges...