IMUUIFebruary1961Supplement1APISTD6B(SixthEdition)SPECIFICATIONforRING-JOINTFLANGESforDFULLINGANDPRODUCTIONSERVICE(2000,3000,and5000Lb)AMERICANPETROLEUMMSTIWTENewYork,N.Y.IssuedbyAMERICANPETROLEUMINSTITLTTEDivisionofProductionDailas1,TexasSupplement1to6thEdn.Std6BForewordThissupplementcovenchangesinAPIStd6B:RingJointFlangesforDn'llingandProductionSewicsadoptedatthe1960midyearmeetingandreportedinCirePS-1182.Table4andTable5:Deletethedab&wtcrisksinColumn10onaizc2in.and2%in.AlsodeletsthddoublcasteriskfootnoteundcrTab&4andTable6reading,"**Fiangesin2-in.and2%in.rizesihallbefurnishedwith..."Table10,Note3:Deletcallrefer6neatogasketnumberBX-58.Par.29:Repheczistingparagraphwiththsfol-Iowing:29.TestPressure.Flangesfurnishedunderthisspecificationarenotregularlyshoptested;however,theyshallbecapableofwithstandinghydrostatictestpressureasgiveninTable12.TABLE.12STD6BDRILLINGANDPRODUCTIONFLANGEHYDROSTATICTESTPRESSURE123TestPressure,psir7MaximumFlangeSizeFlangeSizeRating,psiSmallerLarger7201100110096014501450200040003000300060004500500010000........Working-Pressure14in.and16in.andAppendixD:ListofAuthorizedManufactureraUnderring-jointilangcsadd:MidwestPipingCompany,Inc,St.Louis,Mo.Newman.Hender&Co.Ltd,Woodchester.RectorwellEquipmentCo,Inc,Stroud,Clos.,England.Ft.Worth,Texas.ünàerring-jointgasketsadd:SouthernCaliforniaOilToolCo,Bell,Calif.APISTD6BSixthEditionApril1960APISPECIFICATIONforcRING-JOINTFLANGESforDRILLINGANDPRODUCTIONSERVICE(2000,3000,and5000Lb)AMERICANPETROLEUMINSTITUTENewYork,N.Y.-IssuedbyAMERICANPETROLEUMINSTITUTEDivisionofProductlonDallas1,TexAsRice:50Cents2AmericanPetroleumInstituteTABLEOFCONTENTSPageSuggestionsforOrdering....................................---.---.....-...-..........-..-.....-----...-.2Foreword_.__.__.__.____.___._..._...____________--.--....*..-.-.-..---...--......--..3Sect.I:Scope__......_......_.__.....-....._..._____.--..-.*.----...-....-.-.--...-..---..-.--...~......___3Sect.II:Materiais............................................................
