ASMEB16.34-2004.pdf

ASME B16.34-2004(Revision of ASME B16.34-1996)Valves-Flanged,Threaded,andWelding EndAN AMERICAN NATIONAL STANDARDThe American Society of02Mechanical EngineersWASMECONTENTSFOreword.Committee RosterviiCorrespondence With the B16 CommitteeviiiIntroductioni2Scope1Pressure-Temperature Ratings,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.23Nominal pipe Size.4Marking4Materials56Dimensions67Pressure Testing.108Requirements for Special Class Valves.11FigureMethod of Designating Location of Auxiliary Connections When Specified13Thread Length for Auxiliary Connections.14Socket Welding for Auxiliary Connections，。144Butt Welding for Auxiliary Connections.14Bosses for Auxiliary Connections.156Gate Body(Pressure Seal Bonnet)15Y Pattern Globe Body(Pressure Seal Bonnet).168Angle Body(Pressure Seal Bonnet)Bonnet Same as Y Pattern Globe，16Elbow Down(Pressure Seal Bonnet).1710Gate Body(Flanged Bonnet).1711Globe Body(Flanged Bonnet).1812Butterfly Body189Plug B0dy1914Conduit Gate Body(Pressure Seal Bonnet).1915Dished Cover2016Flat Cover,2017Butterfly Valve Body21Tables1Material Specification List:Applicable ASTM Specification.3Pressure-Temperature Ratings.263Valve Body Minimum Wall Thicknesst,mm(in.).91Minimum Wall Thickness for Socket Welding and Threaded Ends.97Mandatory AppendicesIRadiography Examination:Procedure and Acceptance Standards.99Magnetic Particle Examination:Procedure and Acceptance Standards.101ILiquid Penetrant Examination:Procedure and Acceptance Standards.102IVUltrasonic Examination:Procedure and Acceptance Standards.103Requirements for Limited Class Valves.104VIBasis Equations for Minimum Wall Thickness.107VIIPressure-Temperature Ratings:U.S.Customary Units.109Reference Standards and Specifications.172i试