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ASME B16 51-2013 Copper and Copper Alloy Press-Connect Pressure Fittings《铜和铜合金压接配件》.pdf

1、AN AMERICAN NATIONAL STANDARD ASME B16.51-2013(Revision of ASME B16.51-2011)Copper and Copper Alloy Press-Connect Pressure FittingsASME B16.51-2013(Revision of ASME B16.51-2011)Copper andCopper AlloyPress-ConnectPressure FittingsAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York, NY 10016 USADate

2、 of Issuance: December 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. Periodically certain actions of the ASME B16 Committee may be published as Cases.Cases and in

3、terpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org/ as they are issued, and will be published within the next edition of thestandard.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to in

4、correctly published items, or to correct typographical or grammatical errorsin codes and standards. Such errata shall be used on the 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 po

5、sted to a particular code or standard.This option can be found on the appropriate Committee Page after selecting “Errata” in the “PublicationInformation” section.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accr

6、edited as meeting the criteria for American NationalStandards. The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailable for public r

7、eview and 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 any position with respect to the va

8、lidity of any patent rights asserted in connection with anyitems mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expresslyadvis

9、ed that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of t

10、his code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with 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 electron

11、ic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersTwo Park Avenue, New York, NY 10016-5990Copyright 2013 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword ivCommittee Ros

12、ter . vCorrespondence With the B16 Committee viSummary of Changes vii1 Scope . 12 General . 13 Terminology . 14 Size. 15 Marking . 46 Material . 47 Laying Lengths 48 Tube Stops 49 Design 610 Threaded Ends. 611 Alignment . 612 Gaging 613 Installation Instructions 714 Design Qualification . 7Figures1

13、Method of Designating Laying Lengths of Fittings and Openings of ReducingFittings 22 Tube Stops . 63 Alignment 74 Test Setup for Pressure Test . 85 Test Setup for Static Torque Test 96 Test Setup for Bending Test . 97 Test Setup for Vibration Test 118 Test Setup for Thermocycling Test . 119 Test Set

14、up for Dynamic Torque Test . 12Tables1 Dimensions of Press-Connect Ends 52 Maximum Slippage . 83 Torque . 94 Concentrated Load . 10Mandatory AppendicesI U.S. Customary Equivalents . 13II References 16Nonmandatory AppendixA Quality System Program 17iiiFOREWORDStandardization of cast and wrought press

15、-connect pressure fittings was initiated bySubcommittee J of the ASME B16 Committee in 2000. The first draft of the Standard was basedon International Association of Plumbing and Mechanical Officials (IAPMO) Interim GuideCriteria IGC 137-2000. The general requirements of ASME B16.22-2000 and ASME B1

16、6.24-1998were added to the first draft. The development of the Standard was necessary to regulate thestrength of the joint in copper press-connect fittings. The performance test requirements of thisStandard are an important aspect for determining the quality of the fittings.Following approval by the

17、 Standards Committee and the ASME Board on PTCS, approval asan American National Standard was given by the American National Standards Institute (ANSI)on December 21, 2011 with the designation ASME B16.51-2011.In this 2013 edition, provisions have been included to recognize low lead alloys to comply

18、with the U.S. Safe Drinking Water Act, which will be effective January 2014. Following approvalby the ASME B16 Standards Committee, approval as an American National Standard was givenby ANSI on July 29, 2013 with the new designation ASME B16.51-2013.Requests for interpretation or suggestions for rev

19、ision should be sent to the Secretary,B16 Committee, The American Society of Mechanical Engineers, Two Park 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 Standa

20、rd.)STANDARDS COMMITTEE OFFICERSW. B. Bedesem, ChairG. A. Jolly, Vice ChairC. E. OBrien, SecretarySTANDARDS COMMITTEE PERSONNELA. Appleton, Alloy Stainless Products Co., Inc.R. W. Barnes, ANRIC Enterprises, Inc.W. B. Bedesem, ConsultantR. M. Bojarczuk, ExxonMobil Research and Engineering Co.A. M. Ch

21、eta, Shell Exploration and Production Co.M. A. Clark, NIBCO, Inc.G. A. Cuccio, Capitol Manufacturing Co.C. E. Davila, Crane EnergyD. R. Frikken, Becht Engineering Co.R. B. Hai, RBH AssociatesK. A. Hettler, U.S. Coast GuardG. A. Jolly, ConsultantSUBCOMMITTEE J COPPER AND COPPER ALLOY FLANGES, FLANGED

22、 FITTINGS, AND SOLDER JOINT FITTINGSM. A. Clark, Chair, NIBCO, Inc.C. Ramcharran, Secretary, The American Society of MechanicalEngineersJ. A. Ballanco, JB Engineering and Code Consulting, PCS. L. Cavanaugh, Cavanaugh ConsultingA. Ciechanowski, NSF InternationalD. R. Frikken, Becht Engineering Co.M.

23、Gillespie, Viega LLCvM. 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 format by the Committee priorto being answered, which may inadvertently change the intent of the origin

24、al request.ASME procedures provide for reconsideration of any interpretation when or if additionalinformation that might affect an interpretation is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,

25、” “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 wishing to attend any meeting should contact the Secretary ofthe B16 Standards Committee.viASME B16.

26、51-2013SUMMARY OF CHANGESFollowing approval by the ASME B16 Committee and ASME, and after public review,ASME B16.51-2013 was approved by the American National Standards Institute on July 29, 2013.ASME B16.51-2013 includes the following changes identified by a margin note, (13).Page Location Change4

27、6.1 Subparagraph (b) revised6.2 RevisedviiINTENTIONALLY LEFT BLANKviiiASME B16.51-2013COPPER AND COPPER ALLOY PRESS-CONNECTPRESSURE FITTINGS1 SCOPEThis Standard establishes requirements for cast copperalloy, wrought copper, and wrought copper alloy, press-connect pressure fittings for use with hard

28、drawn seam-less copper water tube conforming to ASTM B88 forpiping systems conveying water. The press-connect sys-tem (tube, fitting, and joint) conforming to this Standardis for use at a maximum pressure of 1 380 kPa (200 psi)over the temperature range from 0C to 93C (32F to200F).This Standard prov

29、ides requirements for fittings suit-able for press-connect joining and covers the following:(a) size designations(b) pressuretemperature ratings(c) terminology(d) dimensions and tolerances(e) materials(f) design qualification(g) required installation instructions(h) markings2 GENERAL2.1 ConventionFo

30、r determining conformance with this Standard, theconvention for fixing significant digits where limits(maximum and minimum values) are specified shall beas defined in ASTM E29. This requires that an observedor calculated value be rounded off to the nearest unitin the last right-hand digit used for e

31、xpressing the limit.Decimal values and tolerances do not imply a particularmethod of measurement.2.2 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 sh

32、own in parentheses or inseparate 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 Stan

33、dard.12.3 ReferencesCodes, standards, and specifications, containing pro-visions to the extent referenced herein, constituterequirements of this Standard. These referenced docu-ments are listed in Mandatory Appendix II.2.4 Quality SystemsRequirements relating to the product manufacturersQuality Syst

34、em Programs are described inNonmandatory Appendix A.3 TERMINOLOGY3.1 AbbreviationsThe following abbreviations are used to designate thetype of fitting end as shown in Fig. 1:F p internal ASME B1.20.1 taper pipe-thread end(NPTI)FTG p solder-joint fitting end made to copper tubeoutside diameterM p ext

35、ernal ASME B1.20.1 taper pipe-thread end(NPTE)P p internal press-connect joint end made toreceive copper tube diameter3.2 DefinitionsThis paragraph defines the terms used in thisStandard.joining, press-connect: the act of joining a fitting or pipingcomponent to a tube by use of a tool that mechanica

36、llycompresses the wall of the fitting end over the tubing,encasing an elastomeric seal between the matingsurfaces.out-of-roundness: the maximum measured diameterminus the minimum measured diameter.press-connect fitting: a type of piping component(e.g., coupling, tee, elbow) used to connect tubing or

37、other accessories by mechanically compressing the wallof the fitting end over the tube, using an elastomericmaterial to provide a seal between the inside surface ofthe fitting and the outside surface of the tube.4 SIZEThe size designations of the fittings shown in thetables of this Standard correspo

38、nd to standard watertube size as shown in ASTM B88, Specification forASME B16.51-2013Fig. 1 Method of Designating Laying Lengths of Fittings and Openings of Reducing FittingsP H11003 FP H11003 M(a) AdaptersFTG H11003 PP H11003 P(b) Extended BushingsRoll Stop Staked StopP H11003 PPNo StopP H11003 PP

39、H11003 PPReducing Eccentric(d) Caps(c) CouplingsP H11003 P FTG H11003 P(e) 45 deg ElbowsBAALL BHCBCCCC1 2 11111222 1 12 22 1112 222ASME B16.51-2013Fig. 1 Method of Designating Laying Lengths of Fittings and Openings of Reducing Fittings (Contd)(f) 90 deg Elbows, Short RadiusP H11003 P FTG H11003 P P

40、 H11003 F P H11003 MP H11003 P H11003 P P H11003 FTG H11003 PP H11003 P H11003 F(h) TeesP H11003 PFTG H11003 PP H11003 PP H11003 P(i) Return Bends (j) Suction Line P-TrapsCDBCECECCDBCFGCCFBEFGJEDJCK(g) 90 deg Elbows, Long Radius3121 231 231111222122111222GENERAL NOTES:(a) Fittings are designated by

41、size in the following order: 1 H11547 2 H11547 3 (designated in circles above).(b) Fitting designs and drawings are illustrative only.(c) Number of O-rings and locations shall be specified by the manufacturer and is shown for two typical locations.(d) Dimensions A through L shall be specified by the

42、 manufacturer.3ASME B16.51-2013Seamless Copper Water Tube. The size designations ofthe threaded ends correspond to nominal pipe size asshown in ASME B1.20.1.Fittings shall be designated by the size of the openingsin the sequence illustrated in Fig. 1.5 MARKINGEach fitting shall be permanently marked

43、 with themanufacturers name or trademark in accordance withMSS SP-25. Marking on fittings less than nominal size12or on any fitting where it damages joining surfacesis not required.6 MATERIAL(13) 6.1 Wrought Copper Alloys(a) Fittings shall be made from copper UNS alloynumber C10200, C12000, C12200,

44、or C23000.(b) Other coppers and copper alloys shall be permit-ted, provided their chemical composition contains aminimum of 84% copper and a maximum of 16% zinc,and provided the fittings produced from the copperalloy meet all the mechanical and corrosion-resistantproperties for the end purposes of t

45、he fittings. For pota-ble water applications, fittings shall be produced fromlow lead (0.25% or less) copper alloys and shall meetall the mechanical and corrosion-resistant properties forthe end purposes of the fittings. The composition of thecopper alloy shall not inhibit joining to the tube or too

46、ther fittings.(13) 6.2 Cast Copper Alloys(a) Castings intended for use in applications up to204C (400F) shall be of a copper alloy produced to meet(1) the requirements of ASTM B62 UNS alloynumber C83600, or(2) the chemical and tensile requirements ofASTM B584 UNS alloy number C83800 or C84400 andin

47、all other respects the requirements of ASTM B62(b) Castings intended for use in potable water appli-cations up to 93C (200F) shall be low lead (0.25% orless) and shall be(1) of a copper alloy produced to meet the require-ments of ASTM B584 UNS alloy number C87850 orC89833, or(2) of other cast copper

48、 alloys, provided the fittingsproduced meet mechanical and corrosion-resistant prop-erties needed for potable water application6.3 Elastomers (Seals)Elastomeric components shall be resistant to microbio-logical attack and ozone attack, and shall contain inhibi-tors to prevent copper degradation. The

49、 elastomer shallbe an ethylene propylene diene monomer (EPDM) andshall meet the minimum property and test requirements,4as defined by ASTM D2000, shown in the followingtable:Material EPDMMinimum nominal durometer hardness, 605 pointsMinimum tensile strength, MPa (psi) 10 (1,450)Heat resistance A25Compression set B35Water resistance EA14Low-temperature resistance F17Tear resistance G21Special requirements Z1, Z2, Z3, Z4The special requirements shall be as follows:(a) Z1 designates compliance with NSF/ANSI 61.(b) Z2 designates the compression set. The maximumcompression

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