1、AN AMERICAN NATIONAL STANDARD Wrought Copper and Copper Alloy Solder-Joint Pressure FittingsASME B16.22-2012Revision of ASME B16.22-2001(R2010)Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyr
2、ight ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.22-2012Revision of ASME B16.22-2001(R2010)Wrought Copper andCopper AlloySolder-Joint PressureFittingsAN AMERICAN NATIONAL STANDARDThree Park Ave
3、nue New York,NY 10016 USACopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:November 27,2012The next edition of this Standard is scheduled for publication in 2017.ASME issues written
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12、 or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2012 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.Copyright ASME International Provided by IHS under
13、license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword.ivCommittee Roster.vSummary of Changes.vi1Scope.12General.13PressureTemperature Ratings.14Terminology.15Marking.36Material.37Laying Lengths.38Tube Stops.39Inspection Tolerance.610Thr
14、eaded Ends.611Alignment.712Gaging.7Figures1Method of Designating Laying Lengths of Fittings and Openings of ReducingFittings.42Tube Stops.63Alignment.7Tables1Dimensions of Solder-Joint Ends,mm.22Internal PressureTemperature Ratings for Copper Fittings,kPa.33Inspection Tolerance.6Mandatory Appendices
15、IStrength of Solder Joints.9IIU.S.Customary Equivalents.10IIIReferences.14Nonmandatory AppendicesAFitting Rating.15BQuality System Program.16iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-FORE
16、WORDStandardization of cast and wrought solder-joint fittings was initiated in Subcommittee 11 ofAmerican Standards Association(ASA)Sectional Committee A40 on Plumbing Requirements andEquipment.Development work culminated in the publication of ASA A40.3-1941.The standardbenefited from work done by A.R.Maupin of the National Bureau of Standards,both beforeand during its development,on the strength of solder joints.In 1949,work on these fittings was transferred to Sectional Committee B16,which est