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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,April2009AmendmentsissuedsincepublicationDateTextaffectedwww.bzfxw.comBRITISHSTANDARD©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(forratingsseeTab...