ANSI ASME B16.50-2013 Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings《锻造铜及铜合金钎焊承压配件》.pdf
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1、AN AMERICAN NATIONAL STANDARD ASME B16.50-2013Revision of ASME B16.50-2001 (R2008)Wrought Copper and Copper Alloy Braze-Joint Pressure FittingsASME B16.50-2013Revision of ASME B16.50-2001 (R2008)Wrought Copperand Copper AlloyBraze-JointPressure FittingsAN AMERICAN NATIONAL STANDARDTwo Park Avenue Ne
2、w York, NY 10016 USADate of Issuance: August 6, 2013The next edition of this Standard is scheduled for publication in 2018.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. Interpretations are published on the ASME Web site under the Committee
3、Pages athttp:/cstools.asme.org/ as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items, or to correct typographical or grammatical errorsin codes and standards. Such errata shall be used on th
4、e date posted.The Committee Pages can be found at http:/cstools.asme.org/. There is an option available toautomatically receive an e-mail notification when errata are posted to a particular code or standard.This option can be found on the appropriate Committee Page after selecting “Errata” in the “P
5、ublicationInformation” section.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 balan
6、ced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry, academia,regulatory agencies, and the pub
7、lic-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 anyon
8、e utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirely their own
9、responsibility.Participation 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 esta
10、blishedASME procedures 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 Engineers
11、Two Park Avenue, New York, NY 10016-5990Copyright 2013 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword ivCommittee Roster . vCorrespondence With the B16 Committee viSummary of Changes vii1 Scope . 12 General . 13 PressureTemperature Ratings 14 Termi
12、nology . 15 Marking . 56 Material . 57 Laying Lengths 58 Tube Stops 59 Inspection Tolerance . 510 Threaded Ends. 511 Alignment . 812 Gaging 8Figures1 Method of Designating Laying Lengths of Fittings andOpenings of Reducing Fittings 32 Tube Stops . 63 Alignment 8Tables1 Internal PressureTemperature R
13、atings for Copper Fittings, kPa 22 Inspection Tolerance 63 Dimensions of Braze-Joint Ends . 7Mandatory AppendicesI U.S. Customary Equivalents . 9II References 12Nonmandatory AppendicesA Fitting Rating 13B Quality System Program 14iiiFOREWORDIn 1994, the ASME B16 Standards Committee authorized Subcom
14、mittee J Standardization todevelop a standard for wrought copper and copper alloy braze-joint pressure fittings. Thesefittings are intended for use with seamless copper tube conforming to the American NationalStandardsInstitute(ASTM)StandardSpecifications,B88(WaterandGeneralPlumbingSystems),B280(Air
15、 Conditioning and Refrigeration Service), and B819 (Medical Gas Systems). Following approvalby the Standards Committee and ASME, this Standard was approved as an American NationalStandard on October 11, 2001, with the new designation ASME B16.50-2001.In this 2013 Edition, references to ASME standard
16、s were revised to no longer list specific editionyears; the latest edition of ASME publication applies, unless stated otherwise. Also in this Edition,Tables 3 and I-3 now include a maximum cup length under the column heading shown as“Depth, G.” Following approval by the B16 Standards Committee and t
17、he ASME SupervisoryBoard, and after public review, this Standard was approved as an American National Standardby ANSI on May 28, 2013.Requests for interpretation or suggestions for revision should be sent to the Secretary,B16 Standards Committee, The American Society of Mechanical Engineers, Two Par
18、k Avenue,New York, NY 10016-5990.ivASME B16 COMMITTEEStandardization of Valves, Flanges, Fittings, and Gaskets(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSW. B. Bedesem, ChairG. A. Jolly, Vice ChairC. E. OBrien, SecretarySTANDARD
19、S COMMITTEE PERSONNELA. Appleton, Alloy Stainless Products Co., Inc.R. W. Barnes, ANRIC Enterprises, Inc.W. B. Bedesem, ConsultantR. M. Bojarczuk, ExxonMobil Research however, they shouldnot contain proprietary names or information.Requests that are not in this format will be rewritten in this forma
20、t by the Committee priorto being answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsideration of any interpretation when or if additionalinformation that might affect an interpretation is available. Further, persons aggrieved by aninterpreta
21、tion may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.Attending Committee Meetings. The B16 Standards Committee regularly holds meetings, whichare open to the public. Persons wi
22、shing to attend any meeting should contact the Secretary ofthe B16 Standards Committee.viASME B16.50-2013SUMMARY OF CHANGESFollowing approval by the B16 Committee and ASME, and after public review, ASME B16.50-2013was approved by the American National Standards Institute on May 28, 2013.ASME B16.50-
23、2013 consists of editorial changes, revisions, and corrections identified by a marginnote, (13), placed next to the affected area.Page Location Change1 1 (1) “General” section moved to section 2,and remaining paragraphsrenumbered(2) Paragraph 1.2 deleted3 Revised in its entirety2 Table 1 Title, Gene
24、ral Notes, and Note (1) revised5 9.1 Revised7 Table 3 Eighth column added8 12.2 Second paragraph designation revised10 Table I-1 Title, General Notes, and Note (1) revised11 Table I-3 Eighth column added12 Mandatory Appendix II Updated13 Nonmandatory RevisedAppendix AviiINTENTIONALLY LEFT BLANKviii(
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