1、AN AMERICAN NATIONAL STANDARD ASME B16.15-2011(Revision of ASME B16.15-2006)Cast Copper Alloy Threaded FittingsClasses 125 and 250Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright ASME Int
2、ernational Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.15-2011(Revision of ASME B16.15-2006)Cast CopperAlloy ThreadedFittingsClasses 125 and 250AN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USA
3、Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:September 15,2011The next edition of this Standard is scheduled for publication in 2016.ASME issues written replies to inquiries co
4、ncerning interpretations of technical aspects of thisStandard.Periodically certain actions of the ASME B16 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued and will be published with
5、in the next edition of thisStandard.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was b
6、alanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-
7、at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a
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9、rticipation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedu
10、res and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,Ne
11、w York,NY 10016-5990Copyright 2011 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword.ivCommittee Ro
12、ster.viCorrespondence With the B16 Committee.viiSummary of Changes.viii1Scope.12General.13PressureTemperature Ratings.14Size.25Marking.26Material.27Threading.38Ribs.39Surface Finish.310Fitting Dimensions.311Tolerances.312Pressure Test.4Figure1Identification of Reducing Fittings.2Tables1PressureTempe
13、rature Ratings.22Dimensions of 90-deg Elbows,Tees,Crosses,45-deg Elbows,and Couplings(Straight Sizes)Class 125.53Dimensions of Caps Class 125.64Dimensions of Outside Head,Inside Head,and Face Bushings Class 250.75Dimensions of 90-deg Elbows(Reducing Sizes)Class 125.86Dimensions of Tees(Reducing Size
14、s)Class 125.97Dimensions of 90-deg Elbows(Reducing Sizes)Class 250.108Dimensions of Tees(Reducing Sizes)Class 250.119Dimensions of Square Head and Square Socket Plugs.1210Dimensions of Reducers,Closed and Open Pattern Return Bends,and 45-deg YBranches(Straight Sizes)Class 125.1311Dimensions of 90-de
15、g and 45-deg Street Elbows Class 125.1412Dimensions of 90-deg Elbows,Tees,Crosses,45-deg Elbows,and Couplings(Straight Sizes)Class 250.1513Inspection Tolerances,Center-to-End and Center-to-Center.16Mandatory AppendicesIRatings and Dimensions of Fittings in U.S.Customary Units.17IIReferences.29Nonman
16、datory AppendixAQuality System Program.30iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-(11)FOREWORDAs early as the spring of 1921,the consolidation and further development of threaded andflanged fittings standards in force in this country seemed desirable.To meet this need,theAmerican Standards Association(ASA)now the American National Standards Institute(ANSI)authorized the organization
