1、AN AMERICAN NATIONAL STANDARDASME A112.4.4-2017Plastic Push-Fit Drain, Waste, and Vent (DWV) FittingsASME A112.4.4-2017Plastic Push-Fit Drain,Waste, and Vent (DWV)FittingsAN AMERICAN NATIONAL STANDARDxDate of Issuance: October 12, 2017This Standard will be revised when the Society approves the issua
2、nce of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations arepublished on the Committee Web page and under http:/go.asme.org/InterpsDatabase. Periodically certain actions of theASMEA112CommitteemaybepublishedasCase
3、s.CasesarepublishedontheASMEWebsiteundertheA112CommitteePageat http:/go.asme.org/A112committee as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections toincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsi
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5、opriate Committee Page after selecting “Errata” in the “Publication Information” section.ASME is the registered trademark of The American Society of Mechanical Engineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethata
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7、cies, 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 any items mentioned in thisdocument,anddoesnotundertaketoi
8、nsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk of infringement of such rights, is entirely their own responsibility.Participatio
9、n by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industryendorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand
10、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 EngineersTwo Park Avenue, New York,
11、NY 10016-5990Copyright 2017 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ivCommittee Roster . . . . .
12、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vCorrespondence With the A112 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi1 Introduction . . . . . . . . . . . . .
13、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 General Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Testing Requirements . . . . . . . . . . . . . . . . . . . . . . . . .
14、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Retest and Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Markings and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15、. . . . . . . . . 7Figures1 Unrestrained Hydrostatic Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Shear Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Def
16、lection Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Tables1 Socket Dimensions and Tolerances for Plastic Push-Fit DWV Fittings . . . . . . . . . . . . . . . . . . . . 32 Impact Resistance of Schedule 40 Push-Fit DWV Fitt
17、ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7iiiFOREWORDThe initial work on ASME A112.4.4, Plastic Push-Fit Drain, Waste, and Vent (DWV) Fittings, was undertaken with theInternational Association for Plumbing and Mechanical Officials (IAPMO) and NSF International. The work with IA
18、PMOand NSF International formed the basis for this Standard.ThisStandardwasdevelopedasaconsensusstandardtoestablishtheminimummaterialandphysicalcharacteristicsand performance requirements for push-fit fittings used in DWV systems. While standards for push-fit fittings for otherapplicationspreviously
19、existed,priortopublicationofthisStandard,therewerenorelevantstandardsforpush-fitfittingsfor DWV applications.This Standard was approved by the American National Standards Institute on May 25, 2017.ivASME A112 COMMITTEEStandardization of Plumbing Materials and Equipment(The following is the roster of
20、 the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSW. M. Smith, ChairS. Rawalpindiwala, Vice ChairA. L. Guzman, SecretarySTANDARDS COMMITTEE PERSONNELR. K. Adler, City of San JoseJ. A. Ballanco, JB Engineering and Code ConsultingJ. E. Bertrand, Moen, Inc.A. Bonlende
21、r, Bradley Corp.R. Burnham, Zurn Industries, LLCM. Campos, ICC Evaluation Service, LLCW. E. Chapin, Professional Code Consulting, LLCP. V. DeMarco, IAPMON. E. Dickey, CSA GroupG. S. Duren, Code Compliance, Inc.R. Emmerson, ConsultantR. L. George, Plumb-Tech Design and Consulting Services, LLCA. L. G
22、uzman, Secretary, The American Society of MechanicalEngineersG. W. Harrison, ConsultantL. Himmelblau, Chicago FaucetJ. M. Koeller, Koeller and Co.C. J. Lagan, American StandardJ. W. Lauer, Sloan Valve Co.W. Levan, Cast Iron Soil Pipe InstituteD. Marbry, Fluidmaster, Inc.R. Mata, CSA GroupD. Orton, N
23、SF InternationalS. Rawalpindiwala, Kohler Co.S. A. Remedios, Remedios Consulting, LLCM. Sigler, Plumbing Manufacturers InternationalW. M. Smith, American Society of Plumbing EngineersD. Viola, IAPMOJ. C. Watson, Elkay ManufacturingM. Weiss, Plumbing however,theyshouldnotcontainproprietarynamesorinfo
24、rmation.viRequeststhatarenotintheformatdescribedabovemayberewrittenintheappropriateformatbytheCommitteepriorto being answered, which may inadvertently change the intent of the original request.Moreover, ASME does not act as a consultant for specific engineering problems or for the general applicatio
25、n orunderstanding of the Standard requirements. If, based on the inquiry information submitted, it is the opinion ofthe Committee that the inquirer should seek assistance, the inquiry will be returned with the recommendationthat such assistance be obtained.ASMEproceduresprovideforreconsiderationofan
26、yinterpretationwhenorifadditionalinformationthatmightaffectan interpretation is available. Further, persons aggrieved by an interpretation may appeal to the cognizant ASMECommitteeorSubcommittee.ASMEdoesnot“approve,”“certify,”“rate,”or“endorse”anyitem,construction,proprietarydevice, or activity.Atte
27、ndingCommitteeMeetings. TheA112StandardsCommitteeregularlyholdsmeetingsand/ortelephoneconfer-encesthatareopentothepublic.Personswishingtoattendanymeetingand/ortelephoneconferenceshouldcontacttheSecretary of the A112 Standards Committee. Future Committee meeting dates and locations can be found on th
28、eCommittee Page at http:/go.asme.org/A112committee.viiINTENTIONALLY LEFT BLANKviiiPlastic Push-Fit Drain, Waste, and Vent (DWV) Fittings1 INTRODUCTION1.1 ScopeThis Standard covers reversible push-fit drain, waste,andvent(DWV)fittingsintendedforquickassemblyofIPSSchedule 40 series PVC and ABS DWV pla
29、stic pipe andfittings for applications above- and belowground attemperaturesfrom32Fto140F(0Cto60C),andspeci-fies requirements for materials, physical characteristics,performance testing, and markings.Notes accompanying sections of this Standard do notspecify requirements or alternative requirements;
30、 theirpurpose is to separate explanatory or informative mate-rial from the text. Notes to tables and figures are consid-ered part of the table or figure and are requirements.1.2 Alternative MaterialsThe requirements of this Standard are not intended toprevent the use of alternative materials or meth
31、ods ofconstruction, provided such alternatives meet theintent and requirements of this Standard.1.3 Units of MeasurementWherevaluesarestatedinU.S.CustomaryunitsandtheInternational System of Units (SI), the U.S. Customaryunits shall be considered the standard.1.4 PatentsThereisapossibilitythatcomplia
32、ncewiththisStandardmay require use of an invention covered by patent rights.By publication of this Standard, no position is taken withrespecttothevalidityofanysuchclaim(s)orofanypatentrightsinconnectiontherewith.Ifapatentholderhasfiledastatement of willingness to grant a license under theserights on
33、 reasonable and nondiscriminatory terms andconditions to applicants desiring to obtain such alicense, then details can be obtained from ASME.1.5 ReferencesThis Standard references the following publications,and where such reference is made, it shall be to thelatesteditionincludingallamendmentspublis
34、hedthereto.ASTM A240/A240M, Standard Specification forChromium and Chromium-Nickel Stainless SteelPlate, Sheet, and Strip for Pressure Vessels and forGeneral ApplicationsASTM D1784, Standard Specification for Rigid Poly(VinylChloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compo
35、undsASTM D2122, Standard Test Method for DeterminingDimensions of Thermoplastic Pipe and FittingsASTMD2444,StandardTestMethodforDeterminationofthe Impact Resistance of Thermoplastic Pipe andFittings by Means of a Tup (Falling Weight)ASTM D2665, Standard Specification for Poly(VinylChloride) (PVC) Pl
36、astic Drain, Waste, and Vent Pipeand FittingsASTM D3212, Standard Specification for Joints for DrainandSewerPlasticPipesUsingFlexibleElastomericSealsASTMD3311,StandardSpecificationforDrain,Waste,andVent (DWV) Plastic Fittings PatternsASTMD3965,StandardClassificationSystemandBasisforSpecifications fo
37、r Rigid Acrylonitrile-Butadiene-Styrene (ABS) Materials for Pipe and FittingsASTM F477, Standard Specification for ThermoplasticElastomeric Seals (Gaskets) for Joining Plastic PipeASTM F913, Standard Specification for Elastomeric Seals(Gaskets) for Joining Plastic PipePublisher: American Society for
38、 Testing and Materials(ASTM International), 100 Barr Harbor Drive, P.O.Box C700, West Conshohocken, PA 194282959(www.astm.org)1.6 Definitions and Abbreviations1.6.1 Definitions.The following definitions shall applyin this Standard:can: expresses a possibility or a capability.IPS Schedule 40 Series:
39、pipe produced to an iron pipeoutside diameter with a Schedule 40 wall thickness.may:expressesanoptionorsomethingpermissiblewithinthe scope of this Standard.push-fit fitting: a fitting with a push-on joint type with anelastomeric gasket providing a compressive force againstthe spigot and socket after
40、 assembly to provide a perma-nent seal.reversible: able to be reversed; having the ability to beremoved and reused.Schedule: a pipe-size system (outside diameter and wallthickness) originated by the iron-pipe industry.shall: expresses a requirement, i.e., a provision that theuser is obliged to satis
41、fy to comply with this Standard.should: expresses a recommendation but not arequirement.1.6.2 Abbreviations.Thefollowingabbreviationsshallapply in this Standard:ABS = acrylonitrile-butadiene-styreneASME A112.4.4-20171DWV = drain, waste, and ventIPS = iron pipe sizePVC = polyvinyl chloride2 GENERAL R
42、EQUIREMENTS2.1 WorkmanshipPush-fit DWV fittings shall(a) befreeofdefectsthatcanadverselyaffectfunction-ality or cause leaks(b) not restrict the flow capacity of a DWV system(c) not obstruct flow(d) befreeofvisiblecracks,holes,orforeigninclusions(e) have uniform wall thickness(f) be true to pattern(g
43、) have a smooth interior waterway2.2 Materials2.2.1 General.Push-fitDWVfittingsshallbemadefromone of the following:(a) virgin compounds procured from a singlemanufacturer(b) a blend of virgin compound and clean reworkedmaterial generated from the manufacturers ownproduction2.2.2 Rework Material. Pus
44、h-fit DWV fittingscontainingreworkmaterialshallcomplywiththerequire-ments specified in the applicable nationally recognizedstandards.2.2.3 ABS. ABS compounds used for manufacturingpush-fitDWVfittingsshallcomplywithminimumcellclas-sification 32222 for DWV fittings, as specified in ASTMD3965.2.2.4 PVC
45、. PVC compounds used for manufacturingpush-fitDWVfittingsshallcomplywithminimumcellclas-sification 12454, as specified in ASTM D1784.2.3 DimensionsThe dimensions of push-fit DWV fittings shall(a) be determined in accordance with ASTM D2122(b) comply with the geometries and laying lengthsspecified in
46、 ASTM D3311(c) comply with the dimensions specified in Table 12.4 Elastomers2.4.1 General. Push-fit DWV fittings shall include anelastomeric gasket that shall provide a permanent sealonto the mating connection joint. Joints shall be suitablefor transitions between plastic piping materials.2.4.2 Mate
47、rials. Elastomeric materials used withinpush-fit DWV fittings shall be free from pitting, cracks,air marks, porosity, and other imperfections that couldaffect performance in service and shall comply withthe test performance requirements specified in ASTMD3212, ASTM F477, or ASTM F913.2.5 Stainless S
48、teelAt a minimum, stainless steel components shall beSeries 300 complying with the requirements of ASTMA240/A240M.3 TESTING REQUIREMENTS3.1 Tests for Push-Fit DWV Fittings3.1.1 General. Tests specified in paras. 3.2 to 3.4 shallbeconductedusing plasticpipe conformingtothe dimen-sional requirements i
49、n ASTM D2665 with the restrainedpipelengthof12in.to36in.(305mmto914mm),andtheunrestrained pipe length of 66 in. to 72 in. (1 676 mm to1 829 mm) per Figure 1, Figure 2, and Figure 3.3.1.2 Coupling. The unrestrained hydrostatic test,shear test, and deflection test shall be conducted usinga coupling.NOTE: A coupling is a connecting piece or sleeve.3.1.3 Records.Records of tests shall be maintained bythe manufacturer for 3 yr.3.2 Unrestrained Hydrostatic Test ProcedureTest one fitting as follows:Step1: Installonepush-fitDWVfittingaccordingtothemanufacturers instructions, and assemble
