1、AN AMERICAN NATIO NAL STANDARDASME B16.39-2009Revision of ASME B16.39-1998(R2006)Malleable Iron Threaded Pipe UnionsClasses 150,250,and 300Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyright 2009 by th
2、e American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permi
3、tted.Uncontrolled when printed.ASME B16.39-2009Revision of ASME B16.39-1998(R2006)MalleableIron ThreadedPipe UnionsClasses 150,250,and 300AN AMERICAN NATIONAL STANDARDCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent o
4、f ASME.cCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduct
5、ion or distribution is permitted.Uncontrolled when printed.Date of Issuance:October 9,2009The next edition of this Standard is scheduled for publication in 2014.There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of
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12、itten permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be
13、 made of this material without written consent of ASME.cCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010
14、by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B16 Committee.vi1Scope.12Design.13PressureTemperature Ratings.24Size.25Marking.26Materials.27Joints and Seats.28Threading of Pipe En
15、ds.29Hydrostatic Strength.310Tensile Strength.311Air Pressure Test.312Sampling for Air Pressure Test.313Coatings.314Dimensions.3Tables1PressureTemperature Ratings.22Tensile Strength of Unions.23SI Dimensions of Class 150 Malleable Iron Threaded Unions.34SI Dimensions of Class 250 Malleable Iron Thre
16、aded Unions.45SI Dimensions of Class 300 Malleable Iron Threaded Unions.4Mandatory AppendicesIDimensions and Pressure Ratings of Unions in U.S.Customary Units.5IIReferences.7Nonmandatory AppendixAQuality System Program.8iiiCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of A
