BS 10-2009 Publishing and copyright information he

Specificationforflangesandboltingforpipes,valvesandfittingsBS10:2009raisingstandardsworldwide™NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBSIBritishStandardsBS10:2009BRITISHSTANDARDPublishingandcopyrightinformationTheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.©BSI2009ISBN9780580612961ICS23.040.60ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePSE/15Draftforcomment08/30174939DCPublicationhistoryFirstpublishedasBS10-1:1947,BS10-2:1926,BS10-3:1929,BS10-4:1931andBS10-5:1932FirstpublishedasBS10,December1962Second(present)edition,April2009AmendmentsissuedsincepublicationDateTextaffectedBRITISHSTANDARD©BSI2009•iBS10:2009ContentsForewordiii1Scope12Normativereferences13Designtemperatureandpressure24Designation25Flangedimensions26Flangematerials37Attachmentofflanges48Hydraulictestingofflangejoints49Certification410Lowtemperatureflangesandbolting6AnnexesAnnexA(informative)Informationtobesuppliedbythepurchaser33AnnexB(informative)MinimumrequirementsofsteeltobeusedforflangesinTableAtoTableH34AnnexC(normative)Boltsandnuts37Bibliography41ListoffiguresFigure1–Shapedstudbolt(seeC.4)25Figure2–Applicationdiagramforboltsandstud-bolts:carbonandflanges26Figure3–Steelorcopperalloyplainflange28Figure4–Steelbossflange29Figure5–Integrallyforgedorcaststeelflangeforvalvesonly30Figure6–Steelweldingneckflange(seeTableDtoTableT)31Figure7–Integrallycastironflanges(seeTableFandTableH)32ListoftablesTable1–Flangematerials–minimumrequirements3Table2–Temperature/pressureratingsforcarbonsteelflanges[seeAnnexB]5TableA–Dimensionsofplain,boss,integrallycastorforgedflanges(forratingsseeTable2andAnnexB)7TableD–Dimensionsofplain,boss,integrallycastorforgedandweldingneckflanges(forratingsseeTable2andAnnexB)9TableE–Dimensionsofplain,boss,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)12TableF–Dimensionsofplain,boss,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)14TableH–Dimensionsofplain,boss,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)16TableJ–Dimensionsofplain,boss,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)18TableK–Dimensionsofplain,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)19TableR–Dimensionsofplain,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)21TableS–Dimensionsofplain,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)22TableT–Dimensionsofplain,integrallycastorforged,andweldingneckflanges(forratingsseeTable2andAnnexB)24TableB.1–Greycastironproperties34TableB.2–Temperature/pressureratingsforgreycastironandmalleablecastironflanges[seeClauses5g)and5h)]35BS10:2009ii•©BSI2009BRITISHSTANDARDTableB.3–Temperature/pressureratingsforcopperalloyflangessizes1⁄2into3in(inclusive)[seeClause5j)]35TableB.4–Temperature/pressureratingsforcopperalloyflangessizesover3in[seeClause5f)]36TableC.1–Applicationofboltsandstud-bolts[seeFigure2a)andFigure2b)]37TableC.2–Materials,dimensionsandfinishofbolts,stud-boltsandnuts39SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesitoiv,pages1to42,aninsidebackcoverandabackcover.BRITISHSTANDARD©BSI2009•iiiBS10:2009ForewordPublishinginformationThisBritishStandardispublishedbyBSIandcameintoeffecton30April2009.ItwaspreparedbyTechnicalCommitteePSE/15,Flanges.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.SupersessionThisBritishStandardsupersedesBS10:1962,whichiswithdrawn.InformationaboutthisdocumentItshouldbenotedthat,apartfromcastironflanges,thehydraulictestpressureappliedtoaflangejointislimitedtoone-and-a-halftimesthehighestratedpressureoftheflange(seeClause8).Thisisafullrevisionofthestandard,andintroducesthefollowingprincipalchanges:•Materialshavebeenupdated;•Thestandardhasbeenre-arrangedtoreflectthemostcommonusedmaterialsandtypesinservice;•Reviewoftables:BS10flangeshavebeeninusesince1904andhavebeendevelopedcontinuouslytomeetincreasingpressureandtemperaturerequirements.Atthetimeofthisrevision,flangejointswithcarbonsteelpipeflangesforhightemperaturesandpressurestotheBritishStandardtableshavebeeninservicethroughouttheworldforperiodsequaltotheeconomiclifeofprimaryplant.Thetableshavethereforeremainedinthestandardforguidance.NOTEWhenitisrequiredtoconvertthefiguresinthisstandardfromimperialunitsintometricunitsitisrecommendedthattheconversionfactorsandthetableofconversioncontainedinBS350,“Conversionfactorsandtables”,beused.AttentionisalsodrawntoBS2856,“Preciseconversionofinchandmetricsizesonengineeringdrawings”.(Use1in=25mmwhenconvertingtometricdimensions.)PresentationalconventionsTheprovisionsofthisstandardarepresentedinroman(i.e.upright)type.Itsrequirementsareexpressedinsentencesinwhichtheprincipalauxiliaryverbis“shall”.Commentary,explanationandgeneralinformativematerialispresentedinsmalleritalictype,anddoesnotconstituteanormativeelement.ContractualandlegalconsiderationsThispublicationdoesnotpurporttoincludeallth