1、Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.AN AMERICAN NA TIONALST ANDARDWROUGHT COPPER AND COPPER ALLOYSOLDER JOINT PRESSURE FITTING
2、SASME B16.22-2001(Revision of ASME B16.22-1995)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:August 9,2002The next edit
3、ion of this Standard is scheduled for publication in 2007.Therewill be no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations oftechnical aspects of this Standard.ASME is the registered trademark of The American Society of Mechanical Engineers.This code
4、 or standard was developed under procedures accredited as meeting the criteria forAmerican National Standards.The Standards Committee that approved the code or standardwas balanced to assure that individuals from competent and concerned interests have had anopportunity to participate.The proposed co
5、de or standard was made available for public reviewand comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take
6、any position with respect to the validity of any patent rights asserted inconnection withany itemsmentioned inthis document,and doesnot undertaketo insureanyoneutilizing a standardagainst liability for infringementof any applicable letterspatent,nor assumesany such liability.Users of a code or stand
7、ard are expressly advised that determination of thevalidity of any such patent rights,and the risk of infringement of such rights,is entirely theirown responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not tobe interpreted as government or industr
8、y endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued inaccordance with the established ASME procedures and policies,which precludes the issuanceof interpretations by individuals.No part of this document may be reproduced in any for
9、m,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2002 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.Copyrighted mate
10、rial licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivStandards Committee Roster.vi1Scope.12PressureTemperature Ratings.13Terminology.24Size.
11、25Marking.26Material.27Laying Lengths.58Tube Stops.59Inspection Tolerance.510Threaded Ends.711Alignment.712Gaging.7Figures1Method of Designating Laying Lengths of Fittings and Openings of Reducing Fittings.32Tube Stops.53Alignment.7Tables1Rated Internal Working Pressure for Copper Fittings,kPa.22Ins
12、pection Tolerance.53Dimensions of Solder-Joint Ends,mm.6Mandatory AppendicesIStrength of Solder Joints.9IIU.S.Customary Equivalents.11IIIReferences.14Nonmandatory AppendicesAFitting Rating.15BQuality System Program.16iiiCopyrighted material licensed to Stanford University by Thomson Scientific(),dow
13、nloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDStandardization of cast and wrought solder-joint fittings was initiated in Subcommittee11 of American Standards Association(ASA)Sectional Committee A40 on Plumbin
14、gRequirements and Equipment.Development work culminated in publication of ASA A40.3-1941.The standard benefited from work done by Mr.A.R.Maupin of the National Bureauof Standards,both before and during its development,on the strength of solder joints.In 1949,work on these fittings was transferred to
15、 Sectional Committee B16,whichestablished Subcommittee 9(now Subcommittee J)with a scope broader than plumbingapplications.The first standard developed was approved as ASA B16.18-1950,Cast-BrassSolder Joint Fittings.It was then decided to revise A40.3 as a B16 standard covering onlywrought solder-jo
16、int fittings.This effort was facilitated by a 1950 draft prepared by jointeffort of the Copper and Brass Research Association and the Manufacturers StandardizationSociety of the Valve and Fittings Industry(MSS).The draft,after review and approval bySubcommittee 9 and the Sectional Committee,was approved as B16.22-1951.Revisions were published as ASA B16.22-1963 and,after reorganization of ASA as theAmerican National Standards Institute(ANSI),as ANSI B16.22-1973.In these editions,updated practice