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    ASME B16 29-2012 Wrought Copper and Wrought Copper Alloy Solder-Joint Drainage Fittings - DWV《可锻铜和可锻铜合金软钎焊连接排水配件 排水、排渣与放气(DWV)》.pdf

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    ASME B16 29-2012 Wrought Copper and Wrought Copper Alloy Solder-Joint Drainage Fittings - DWV《可锻铜和可锻铜合金软钎焊连接排水配件 排水、排渣与放气(DWV)》.pdf

    1、AN AMERICAN NATIONAL STANDARD ASME B16.29-2012(Revision of ASME B16.29-2007)Wrought Copper and Wrought Copper Alloy Solder-Joint Drainage Fittings DWVASME B16.29-2012(Revision of ASME B16.29-2007)Wrought Copper andWrought Copper AlloySolder-Joint DrainageFittings DWVAN AMERICAN NATIONAL STANDARDThre

    2、e Park Avenue New York, NY 10016 USADate of Issuance: September 26, 2012The next edition of this Standard is scheduled for publication in 2017. There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. Int

    3、erpretations are published on the ASME Web site under the Committee 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 gramm

    4、atical 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 posted to a particular code or standard.This option can be found

    5、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 accredited as meeting the criteria for American NationalStandards.

    6、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 review and comment that provides an opportunity for additional p

    7、ublic 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 validity of any patent rights asserted in connection with anyitem

    8、s mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,

    9、 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 this code or standard.ASME accepts responsibility for only those

    10、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 electronic retrieval system or otherwise,without the prior written permi

    11、ssion of the publisher.The American Society of Mechanical EngineersThree Park AvenueNew York, NY 10016-5990Copyright 2012 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword ivCommittee Roster . vCorrespondence With the B16 Committee viSummary of Change

    12、s vii1 Scope . 12 General . 13 Description 14 Pitch (Slope) 15 Abbreviations 16 Component Size . 17 Marking . 28 Material . 29 Laying Lengths 210 Ovality 211 Threaded Ends. 212 Design of Threaded Ends . 213 Alignment . 214 Gaging 2Figure1 Size of Fittings . 3Tables1 Dimensions of Solder-Joint Ends 4

    13、2 Dimensions of Threaded Ends DWV . 53 Dimensions of DWV Couplings, Extended Bushings, and Adapters 64 Dimensions of DWV Soil Pipe Adapters . 75 Dimensions of DWV C H11547 No-Hub Soil Pipe Adapters . 86 Dimensions of DWV Elbows 97 Dimensions of DWV 45 deg Ys . 108 Dimensions of DWV Tees . 119 Dimens

    14、ions of DWV Caps 1110 Dimensions of DWV Vent Increasers 1211 Dimensions of DWV Closet Flanges . 1312 Dimensions of DWV Trap Adapters . 1413 Dimensions of DWV Slip-Joint Ends 14Mandatory AppendicesI U.S. Customary Dimensions 15II References 27Nonmandatory AppendixA Quality System Program 28iiiFOREWOR

    15、DStandardization of cast and wrought solder-joint fittings was initiated in Subcommittee 11 ofAmerican Standards Association (ASA) Sectional Committee A40 on Plumbing Requirementsand Equipment. Development work culminated in publication of ASA A40.3-1941.In 1949, work on these fittings was transferr

    16、ed to Sectional Committee B16 of ASA, whichestablished Subcommittee 9 (now Subcommittee J). The first standard developed was approvedas ASA B16.18-1950, Cast Bronze Solder-Joint Fittings. A later joint effort of the Copper and BrassResearch Association and the Manufacturers Standardization Society o

    17、f the Valve and FittingsIndustry (MSS) culminated in a standard on wrought fittings, ultimately approved as B16.22-1951.Concurrently, recognizing the need for drainage fitting standards, an MSS task group developedthe standard later approved as ASA B16.23-1953, Cast Bronze Solder-Joint Drainage Fitt

    18、ings, anda standard for wrought fittings was initially published as MSS SP-64-1961. A revision of thatstandard was submitted to Subcommittee 9 of B16 and was eventually approved asASA B16.29-1966.A revision was published after reorganization of ASA as the American National StandardsInstitute (ANSI)

    19、as ANSI B16.29-1973. In this edition, shorter solder cups were specified in largersizes, since strength to contain pressure is not a factor. In 1979, Subcommittee I (formerly 9,now J) added metric dimensional equivalents and made other minor improvements. That revisionwas approved by ANSI, after app

    20、roval by the Committee and secretariat organizations, asANSI B16.29-1980.In 1982, American National Standards Committee B16 was reorganized as an ASME Committeeoperating under procedures accredited by ANSI. The 1986 Edition of the standard removedmetric equivalents (not functionally applicable in th

    21、e plumbing industry), updated the referencedstandards, and incorporated editorial and format revisions. The 1994 Edition removed inspectiontolerance requirements, established minimum laying lengths, added soil pipe adapters, andincorporated editorial revisions. Following approval by the Standards Co

    22、mmittee and ASME,approval as an American National Standard was given by ANSI on October 10, 1994, with thedesignator ASME B16.29-1994.The 2001 Edition of this Standard was revised to include Nonmandatory Appendix B, QualitySystemProgram.Editorialrevisionsweremadeforthepurposeofclarification.Followin

    23、gapprovalby the B16 Main Committee and ASME Supervisory Board, this Standard was approved as anAmerican National Standard by ANSI on October 11, 2001.In the 2007 Edition, metric units were used as a primary reference unit while maintainingU.S. Customary units in either parenthetical or separate form

    24、s. In addition, several editorials andrevisions have been made for clarity.In this 2012 Edition, references to ASME standards were revised to no longer list specific editionyears; the latest edition of ASME publications applies unless stated otherwise. Following approvalby the B16 Standards Committe

    25、e and the ASME Supervisory Board, and after public review, thisStandard was approved as an American National Standard by ANSI on August 23, 2012.Requests for interpretations or suggestions for revisions should be sent to the Secretary,B16 Committee, The American Society of Mechanical Engineers, Thre

    26、e 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 Standard.)STANDARDS COMMITTEE OFFICERSW. B. Bedesem, ChairG. A. Jolly, Vice ChairD. R. Sharp, SecretarySTAN

    27、DARDS 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 f

    28、ormat 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 aninterp

    29、retation 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. Person

    30、s wishing to attend any meeting should contact the Secretary ofthe B16 Standards Committee.viASME B16.29-2012SUMMARY OF CHANGESFollowing approval by the ASME B16 Committee and ASME, and after public review,ASME B16.29-2012 was approved by the American National Standards Institute onAugust 23, 2012.A

    31、SME B16.29-2012 includes the following changes identified by a margin note, (12). In addition,in the main text, the “General” section was moved to section 2, and subsequent sections andtheir paragraphs were renumbered accordingly. All paragraph references were then revised asneeded. Throughout the t

    32、ext, the words “male” and “female” were changed to “external” and“internal,” respectively.Page Location Change1 5 Revised2 11.1 Revised11.3 (1) Revised(2) Split into paras. 11.3.1 and 11.3.227 Mandatory Appendix II Updated28 Nonmandatory RevisedAppendix AviiINTENTIONALLY LEFT BLANKviiiASME B16.29-20

    33、12WROUGHT COPPER AND WROUGHT COPPER ALLOYSOLDER-JOINT DRAINAGE FITTINGS DWV1 SCOPEThis Standard for wrought copper and wrought cop-per alloy solder-joint drainage fittings, designed for usewith copper drainage tube conforming to ASTM B306,covers the following:(a) description(b) pitch (slope)(c) abbr

    34、eviations for end connections(d) sizes and method of designating openings forreducing fittings(e) marking(f) material(g) dimensions and tolerances2 GENERAL2.1 ConventionFor determining conformance with this Standard, theconvention for fixing significant digits where limits(maximum and minimum values

    35、) 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 expressing the limit.Decimal values and tolerances do not imply a particularmethod of measurement.2.2 Relevant UnitsThis Standard

    36、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 inseparate tables that appear in Mandatory Appendix I.The values stated in each system are not exact equiva

    37、-lents; therefore, it is required that each system of unitsbe used independently of the other. Combining valuesfrom the two systems constitutes nonconformance withthe Standard.2.3 ReferencesCodes, standards, and specifications, containing pro-visions to the extent referenced herein, constituterequir

    38、ements of this Standard. These reference docu-ments are listed in Mandatory Appendix II.12.4 Quality SystemsGuidelines relating to the product manufacturersquality system programs are described inNonmandatory Appendix A.3 DESCRIPTIONThese fittings are designed for drainage and vent sys-tems only, us

    39、ing the solder-joint method of connection.The fitting cups (C) are provided with stops so thatthe ends of the tube, when assembled, meet the stops.Sketches and designs of fittings are illustrative only. Thedimensions specified herein shall govern in all cases.4 PITCH (SLOPE)All nominal 90-deg fittin

    40、gs shall be pitched to resultin a slope of 0.20 mm/m (0.25 in./ft) (2%) of horizontaltube length with reference to a horizontal plane.5 ABBREVIATIONSThe symbols shown below are used to designate thetype of fitting end.Symbols DefinitionsC Solder-joint fitting end (internal) made toreceive copper tub

    41、e diameterF Internal American National Standard taper pipethread, NPTIFTG Solder-joint fitting end (external) made to cop-per tube diameterM External American National Standard taper pipethread, NPTENPSM American National Standard free-fitting straightmechanical pipe threadSJ End of fitting formed t

    42、o receive outside diame-ter tube size6 COMPONENT SIZE6.1 Nominal SizeAs applied in this Standard, the use of the phrase“nominal size” followed by a dimensionless number isfor the purpose of fitting end connection sizeidentification.(12)(12)ASME B16.29-20126.1.1 Tube. The size designations for the fi

    43、tting endconfigurations defined in Table 1 (Table I-1) correspondto drainage tube sizes defined in ASTM B306.6.1.2 Pipe. The size designation of threaded fittingend configurations defined in Table 2 (Table I-2) corres-ponds to thread sizes defined in ASME B1.20.1.6.2 IdentificationFittings shall be

    44、identified by the nominal size of theopenings in the sequence illustrated in Fig. 1.7 MARKINGEach fitting shall be marked permanently and legiblywith the manufacturers name or trademark and withDWV (to indicate drain-waste-vent).8 MATERIALFittings shall be made of wrought copper or wroughtcopper all

    45、oy material having not less than 84% of coppercontent.9 LAYING LENGTHSDue to widely varying manufacturing processes, lay-ing length dimensions of fittings are not standardized.Consult the manufacturer for these dimensions. Sug-gested dimensions, including laying lengths, for variousfitting configura

    46、tions are shown in Tables 3 through 13(Tables I-3 through I-13).10 OVALITYMaximum ovality shall not exceed 1% of the maxi-mum diameter shown in Table 1 (Table I-1). The averageof the maximum and minimum diameters must bewithin the dimensions shown in the table.11 THREADED ENDS11.1 GeneralFitting thr

    47、eads shall be right hand, conforming toASME B1.20.1. They shall be American NationalStandard taper pipe threads (NPT), except for slip jointends, which shall have American National Standardfree-fitting straight mechanical pipe threads (NPSM).11.2 ChamferAll internal threads shall be countersunk a di

    48、stancenot less than one-half the pitch of the thread at an angleof approximately 45 deg with the axis of the thread. Allexternal threads shall be chamfered at an angle of 30 deg2to 45 deg from the axis. Countersinking and chamferingshall be concentric with the threads. The length ofthreads shall be

    49、measured to include the countersink orchamfer.11.3 Threading Tolerances11.3.1 Internal Threads. Variations in NPT internalthreading shall be limited to one turn large or one turnsmall from the gaging notch when using working gages.The reference point for gaging is the starting end of thefitting, provided the chamfer does not exceed the majordiameter of the internal thread. When a chamfer on theinternal thread exceeds this limit, the reference pointbecomes the last thread scratch on the chamfer cone.11.3.2 External Threads. Variations in NPT externalthreading shall be limit


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