1、AN AMERICAN NATIONAL STANDARDASME 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 Inte
2、rnational 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
4、concerning 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 w
5、ithin 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 w
6、as balanced 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
7、 the public-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 insu
8、re anyone 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 th
9、eir own 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
10、the establishedASME 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 E
11、ngineersThree Park Avenue, New 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-,-,-C
12、ONTENTSForeword ivCommittee Roster . viCorrespondence With the B16 Committee viiSummary of Changes viii1 Scope . 12 General . 13 PressureTemperature Ratings 14 Size. 25 Marking . 26 Material . 27 Threading . 38 Ribs 39 Surface Finish . 310 Fitting Dimensions . 311 Tolerances. 312 Pressure Test 4Figu
13、re1 Identification of Reducing Fittings 2Tables1 PressureTemperature Ratings 22 Dimensions of 90-deg Elbows, Tees, Crosses, 45-deg Elbows, and Couplings(Straight Sizes) Class 125 53 Dimensions of Caps Class 125 . 64 Dimensions of Outside Head, Inside Head, and Face Bushings Class 250 75 Dimensions o
14、f 90-deg Elbows (Reducing Sizes) Class 125 . 86 Dimensions of Tees (Reducing Sizes) Class 125 . 97 Dimensions of 90-deg Elbows (Reducing Sizes) Class 250 . 108 Dimensions of Tees (Reducing Sizes) Class 250 . 119 Dimensions of Square Head and Square Socket Plugs 1210 Dimensions of Reducers, Closed an
15、d Open Pattern Return Bends, and 45-deg YBranches (Straight Sizes) Class 125 . 1311 Dimensions of 90-deg and 45-deg Street Elbows Class 125 1412 Dimensions of 90-deg Elbows, Tees, Crosses, 45-deg Elbows, and Couplings(Straight Sizes) Class 250 1513 Inspection Tolerances, Center-to-End and Center-to-
16、Center . 16Mandatory AppendicesI Ratings and Dimensions of Fittings in U.S. Customary Units . 17II References 29Nonmandatory AppendixA Quality System Program 30iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without licens
17、e 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)au
18、thorized the organization of a Sectional Committee on the Standardization of Pipe Flangesand Flanged Fittings (B16), with the Heating, Piping, and Air Conditioning Contractors NationalAssociation (now known as the Mechanical Contractors Association of America), theManufacturers Standardization Socie
19、ty of the Valve and Fittings Industry (MSS), and TheAmerican Society of Mechanical Engineers acting as joint sponsors.In June 1927, the Manufacturers Standardization Society of the Valve and Fittings Industryappointed a committee on Nonferrous Screw Fittings for the purpose of developing standardsfo
20、r products commonly designated as threaded pipe fittings of brass, bronze, or other nonferrousmaterials. At the time, brass threaded fittings were furnished from a number of different patternswith wide variations in dimensions and weights.MSS SP-10 for 125-lb Bronze Screwed Fittings and MSS SP-11 fo
21、r 250-lb Bronze Screwed Fittingswere developed and adopted by the MSS in September 1930. The lighter fittings were patternedafter malleable iron threaded fittings, then standardized in ASA B16c, while the heavier productswere patterned after the cast iron threaded fittings covered by ASA B16d. Thus,
22、 a practice wasstandardized that had been found satisfactory in the valve and fittings industry over many years.Following the publication of revised editions in 1941 and 1943, SP-10 was submitted toSubcommittee No. 2 of ASA Sectional Committee B16 for adoption as an American Standard.Final approval
23、of that edition was granted on January 23, 1947 with the designation ASA B16.15.A reaffirmation of the Standard was granted in 1952, and a complete revision for updating theStandard was approved by ASA on March 25, 1958.After revision in 1944, SP-11 was submitted to Subcommittee No. 2 in August 1947
24、, and ASAgranted the approval of B16.17 on April 6, 1949.In 1961, Subcommittee No. 2 reviewed the two Standards and noted that the historical reasonfor their separate existence no longer applied. Accordingly, the two were combined intoASA B16.15 with final ASA approval granted on February 6, 1964.In
25、 1969, the document was reviewed by Subcommittee No. 2, and minor changes were proposed.Final ANSI approval was granted on April 14, 1971.In 1977, the MSS submitted a proposed revision to Subcommittee B (formerly No. 2) for B16review and approval. Changes included the addition of metric (SI) units a
26、nd editorial updating.ANSI granted final approval on December 4, 1978.In 1982, American National Standards Committee B16 was reorganized as the ASME B16Committee, operating under procedures accredited by ANSI. The revision, following regular 5-yrreview by Subcommittee B, involved rationalization of
27、metric equivalent dimensions and updatingof reference standards. Following approval within ASME, ANSI approval was granted on July30, 1985 with the new designation ANSI/ASME B16.15-1985.In 1994, and again in 2004, the document was reaffirmed.In 2005, Subcommittee B of the ASME B16 Committee changed
28、the title to Cast Copper AlloyThreaded Fittings, a section on leakage capacity was added, and nominal size (DN) accordingto ISO 6078 was addressed as SI values were positioned in the main text, while U.S. Customaryvalues were positioned in Mandatory Appendix I. The reference for gaging internal fitt
29、ing threadswas made clearer by using the wording from ANSI/ASME B1.20.1, Pipe Threads GeneralPurpose Inch. Many clarifying and editorial revisions were made in order to improve the text.After approval by ASME, ANSI approval was granted on August 25, 2006 with the new designationof ASME B16.15-2006.I
30、n this edition, references to ASME standards were revised to no longer list specific edition years;the latest edition of ASME publications applies unless stated otherwise. Materials manufactured toother editions of the referenced ASTM standards have been permitted to be used to manufactureivCopyrigh
31、t ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-fittings meeting the requirements of this Standard as long as the fitting manufacturer verifiesthe material meets the requirements of the referenced edition
32、. Following approval by the StandardsCommittee and the ASME Board on PTCS, this revision to the 2006 edition was approved as anAmerican National Standard by ANSI on August 9, 2011 with the new designation ASMEB16.15-2011.All requests for interpretations or suggestions for revisions should be sent to
33、 the Secretary B16,The American Society of Mechanical Engineers, Three Park Avenue, New York, NY 10016-5990.vCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16 COMMITTEEStandardization of Va
34、lves, 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 ChairD. R. Sharp, SecretarySTANDARDS COMMITTEE PERSONNELA. Appleton, Alloy Stainless Products Co., Inc.R. W. B
35、arnes, Anric Enterprises, Inc.W. B. Bedesem, ConsultantR. M. Bojarczuk, ExxonMobil Research and Engineering Co.D. F. Buccicone, Elkhart Products Corp.A. M. Cheta, Royal Dutch ShellM. A. Clark, Nibco, Inc.G. A. Cuccio, Capitol Manufacturing Co.C. E. Davila, Crane EnergyD. R. Frikken, Becht Engineerin
36、g Co.R. P. Griffiths, U.S. Coast GuardSUBCOMMITTEE B THREADED FITTINGS (EXCEPT STEEL), FLANGES, AND FLANGED FITTINGSK. Barron, Vice Chair, Ward ManufacturingC. E. OBrien, Secretary, The American Society of MechanicalEngineersW. Bliss, Tyler Pipe Co.R. W. Bonds, Ductile Iron Pipe Research Association
37、M. A. Clark, Nibco, Inc.J. R. Holstrom, Val-Matic Valve and Manufacturing Corp.viG. A. Jolly, Vogt Valves/Flowserve Corp.M. Katcher, Haynes InternationalW. N. McLean, B however, they shouldnot contain proprietary names or information.Requests that are not in this format will be rewritten in this for
38、mat 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 aninterpre
39、tation 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
40、wishing to attend any meeting should contact the Secretary ofthe B16 Standards Committee.viiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.15-2011SUMMARY OF CHANGESFollowing approval by
41、the ASME B16 Committee and ASME, and after public review,ASME B16.15-2011 was approved by the American National Standards Institute on August 9, 2011.ASME B16.15-2011 includes the following changes identified by a margin note, (11). In addition,in the main text, the “General” section was moved to se
42、ction 2, and subsequent sections andtheir paragraphs were renumbered accordingly.Page Location Changeiv Foreword Revised1, 2 3.2 Revised3, 4 11.1 Formerly para. 1.112 Table 9 Title revised17 Mandatory Appendix I Title and last paragraph revised25 Table I-9 Title revised29 Mandatory Appendix II (1) F
43、irst paragraph revised(2) Updated30 Nonmandatory RevisedAppendix ANOTE: Interpretations follow the last page of this edition.viiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.15-2011CAS
44、T COPPER ALLOY THREADED FITTINGSClasses 125 and 2501 SCOPEThis Standard covers cast Classes 125 and 250 copperalloy threaded pipe fittings with provisions for substitut-ing wrought copper alloys for plugs, bushings, caps,and couplings in small sizes. This Standard includes thefollowing:(a) pressuret
45、emperature ratings(b) size and method of designating openings of reduc-ing pipe fittings(c) marking requirements(d) minimum requirements for casting quality andmaterials(e) dimensions and tolerances in SI (metric) andU.S. Customary units(f) threading requirements(g) pressure test requirementsMandato
46、ry Appendix I provides table values inU.S. Customary units.2 GENERAL2.1 Relevant UnitsThis Standard states values in both SI (Metric) andU.S. Customary units. These systems of units are to beregarded separately as standard. Within the text, theU.S. Customary units are shown in parentheses or insepar
47、ate tables that appear in Mandatory Appendix I.The values stated in each system are not exact equiva-lents; therefore, it is required that each system of unitsbe used independently of the other. Combining valuesfrom the two systems constitutes nonconformance withthe Standard.2.2 ReferencesStandards
48、and specifications containing provisions tothe extent referenced herein constitute requirements ofthis Standard. These referenced documents are listed inMandatory Appendix II.2.3 Quality SystemsRequirements relating to the product manufacturersQuality System Programs are described inNonmandatory Appendix A.12.4 Denotation2.4.1 Pressure Rating Designation. Class, followedby a dimensionless number, is the designation forpressuretemperature ratings, e.g., Class 125 andClass 250.2.4.2 Size. NPS, followed by a dimensionless num-ber, is the designation for nominal fittings size, e.g.,NPS 2.2.5 Ti
