MSS SP-67-2002a Butterfly Valves

MSSSP-67-2002aButterflyValvesStandardPracticeDevelopedandApprovedbytheManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.127ParkStreet,NEVienna,Virginia22180Phone:[phone](703)281-6671e-mail:[e-mail]yIHSunderlicensewithMSSNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--``````-`-`,,`,,`,`,,`---MSSSTANDARDPRACTICESP-67ThisMSSStandardPracticewasdevelopedundertheconsensusofMSSTechnicalCommittee407andtheMSSCoordinatingCommittee.ThecontentofthisStandardPracticeistheresultoftheeffortsofcompetentandconcernedvolunteerstoprovideaneffective,clear,andnon-exclusivespecificationthatwillbenefittheindustryasawhole.ThisMSSStandardPracticeisintendedasabasisforcommonpracticebythemanufacturer,theuser,andthegeneralpublic.TheexistenceofanMSSStandardPracticedoesnotinitselfprecludethemanufacture,saleoruseofproductsnotconformingtotheStandardPractice.Mandatoryconformanceisestablishedonlybyreferenceinacode,specification,salescontract,orpubliclaw,asapplicable.UnlessotherwisespecificallynotedinthisMSSSP,anystandardreferredtohereinisidentifiedbythedateofissuethatwasapplicabletothereferencedstandard(s)atthedateofissueofthisMSSSP.(SeeAnnexB).U.S.customaryunitsinthisSParethestandard;themetricunitsareonlyforreferenceonly.Anypartofthisstandardmaybequoted.Creditlinesshouldread‘ExtractedfromMSSSP-67,2002a,withpermissionofthepublishetheManufacturersStandardizationSociety.’ReproductionprohibitedundercopyrightconventionunlesswrittenpermissionisgrantedbytheManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.OriginallyApprovedDecember1964CopyrightO,1983byManufacturersStandardizationSocietyoftheValveandFittingsIndustry,Inc.PrintedinU.S.A.iCopyrightMSSProvidedbyIHSunderlicensewithMSSNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--``````-`-`,,`,,`,`,,`---MSSSTANDARDPRACTICESP-67TABLEOFCONTENTSSECTION1234567891011SCOPE................................................................................................................................1DEFINITIONS.....................................................................................................................1STANDARDENDS..............................................................................................................1DESIGNREQUIREMENTS.................................................................................................1VALVEDISCCLEARANCE................................................................................................3TRIM...................................................................................................................................3FACE-TO-FACEDIMENSIONS...........................................................................................3ACTUATORS......................................................................................................................4PURCHASINGINFORMATION..........................................................................................4PRODUCTIONTESTING..................................................................................................5MARKING.........................................................................................................................5TABLE1PipeMinimumDiameterforDiscClearance...........................................................................6Face-to-FaceDimensions,FlangedEndValves.......................................................................7End-to-EndDimensions,GroovedEndValves.........................................................................9234Face-to-FaceDimensions,SingleFlangeandFlangelessValves................................................8FIGURE1Face.to.Face.Flangeless.andSingleFlangeValves..............................................................10234567FlangedEnds.BoltingOptions............................................................................................11SingleFlanged,BoltingOptions..........................................................................................11Flangeless,BoltingOptions.................................................................................................11End-to-End,GroovedEndValves........................................................................................12ShoulderedEndValves........................................................................................................12DisctoPipeMinimumClearance,TypicalConcentricTypeConstruction.............................13ANNEXADisctoPipeClearance........................................................................................................14TABLEAlDisctoPipeMinimumClearances........................................................................................14ANNEXBReferencedStandardsandApplicableDates........................................................................1511CopyrightMSSProvidedbyIHSunderlicensewithMSSNotforResaleNoreproductionornetwork