1、Designation: D2949 10D2949 18 An American National StandardStandard Specification for3.25-in. Outside Diameter Poly(Vinyl Chloride) (PVC) PlasticDrain, Waste, and Vent Pipe and Fittings1This standard is issued under the fixed designation D2949; the number immediately following the designation indica
2、tes the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers requirements and
3、test methods for materials, dimensions and tolerances, deflection load, crushresistance, flattening resistance, impact resistance, and solvent cement.Aform of marking is also included. Plastic which does notmeet the material requirements specified in Section 5 is excluded.NOTE 1This specification wa
4、s formerly issued under the title, 3-in. Thin Wall Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe andFittings.NOTE 2Techniques for making solvent-cement joints are given in Practice D2855.1.1.1 Techniques for making solvent-cement joints are given in Practice D2855.1.2 The text of th
5、is specification references notes, footnotes, and appendixes which provide explanatory material. These notesand footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.1.3 The values stated in inch-pound units are to be regarded as standard. The
6、 values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.4 The following precautionary caveat pertains only to the test methods portion, Section 7, of this specification: This standarddoes not purport to address all
7、 of the safety concerns, if any, associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety safety, health, and healthenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.5 This international standard was d
8、eveloped in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Doc
9、uments2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1600 Terminology for Abbreviated Terms Relating to PlasticsD1784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC)CompoundsD2122 Test Method for Determining Dimensions
10、 of Thermoplastic Pipe and FittingsD2152 Test Method for Adequacy of Fusion of Extruded Poly(Vinyl Chloride) (PVC) Pipe and Molded Fittings by AcetoneImmersionD2412 Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate LoadingD2444 Practice for Determina
11、tion of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (FallingWeight)D2564 Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping SystemsD2855 Practice for the Two-Step (Primer and Solvent Cement) Method of Joining Poly (Vinyl Chloride) (PVC) or
12、ChlorinatedPoly (Vinyl Chloride) (CPVC) Pipe and Piping Components with Tapered SocketsD3311 Specification for Drain, Waste, and Vent (DWV) Plastic Fittings Patterns1 This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subc
13、ommittee F17.63 on DWV.Current edition approved Nov. 15, 2010Nov. 1, 2018. Published January 2011January 2019. Originally approved in 1971. Last previous edition approved in 20082010 asD2949 01a (2008)D2949 10. 1. DOI: 10.1520/D2949-10.10.1520/D2949-18.2 For referencedASTM standards, visit theASTM w
14、ebsite, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indica
15、tion of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be con
16、sidered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1F402 Practice for Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining
17、Thermoplastic Pipe and FittingsF412 Terminology Relating to Plastic Piping SystemsF1498 Specification for Taper Pipe Threads 60 for Thermoplastic Pipe and Fittings3. Terminology3.1 DefinitionsDefinitions are in accordance with Terminology F412, and abbreviations are in accordance with TerminologyD16
18、00, unless otherwise specified.4. Significance and Use4.1 The requirements of this specification are intended to provide pipe and fittings suitable for drainage of sewage and certainother liquid wastes where toughness, resistance to deterioration from water and chemicals, flattening and aging resist
19、ance, andstrong tight joints are required.NOTE 2Industrial waste disposal lines should be installed only with the specific approval of the cognizant building code authority since chemicalsnot commonly found in drains and sewers, and temperatures in excess of 160F (70C), may be encountered.4.2 When j
20、oining 3.25-in. outside diameter PVC DWV piping to 3-in. Schedule 40 PVC DWV piping, it is necessary to useeither reducer bushings or increasers, as shown in the tables at the end of the text, due to the differences in pipe outside diameters.NOTE 3Industrial waste disposal lines should be installed
21、only with the specific approval of the cognizant building code authority since chemicalsnot commonly found in drains and sewers, and temperatures in excess of 160F (70C), may be encountered.5. Materials5.1 Basic MaterialsPipe and fittings shall be made from virgin poly (vinyl chloride) compounds mee
22、ting the requirements ofClass 12454, as defined and described in Specification D1784.5.2 Rework MaterialThe manufacturer shall use only his own clean pipe or fitting rework material and the pipe or fittingproduced shall meet all the requirements of this specification.5.3 Solvent CementThe solvent ce
23、ment shall meet the requirements of Specification D2564.6. Requirements6.1 GeneralThe pipe and fittings shall be homogeneous throughout and free of visible cracks, holes, foreign inclusions, orother injurious defects. The pipe shall be as uniform as commercially practicable in color, opacity, densit
24、y, and other physicalproperties.6.1.1 The requirements in this section are intended only for use as quality control tests, not as simulated service tests.6.2 Dimensions and TolerancesAll dimensions shall be measured in accordance with Test Method D2122.All tolerances shallmeet the requirements of Ta
25、bles 1-11 unless otherwise specified.6.2.1 Pipe:6.2.1.1 Pipe DimensionsThe outside diameters and wall thicknesses of the pipe shall meet the requirements of Table 1.6.2.1.2 Pipe LengthThe pipe shall be in either 10 or 20-ft or 3 or 6-m lengths, unless otherwise specified with allowabletolerance of +
26、12 in., 0 in. or +13 mm, 0 mm.6.2.2 Fittings:6.2.2.1 Fittings-Socket DimensionsThe socket dimensions of fittings shall meet the requirements given in Table 2.6.2.2.2 Fittings Laying Length DimensionsThe laying length dimensions of fittings, shall conform to the requirements givenin Table 3 through T
27、able 11.6.2.2.3 Transition AdaptersThe dimensions of adapters for connecting plastic pipe to cast iron hubs shall conform to thedimensions given in Table 4.6.2.2.4 Fittings DimensionsThe dimensions of fittings covered by this specification shall meet the requirements given in Table3 through Table 11
28、.NOTE 3Additional fittings in IPS dimensions are included in Specification D3311.6.3 Deflection Load and Crush Resistance:TABLE 1 Dimensions and Tolerances for Outside Diameters and Thicknesses of PVC 3.25-in. Outside Diameter Plastic Drain, Waste,and Vent Pipe, in. (mm)NominalPipe Size,in.Outside D
29、iameter Wall ThicknessAAverage Tolerance onAverage Out-of-Roundness(maximum minus minimum) Min Tolerance3.25 3.250 (82.56) 0.008 (0.20) 0.030 (0.76) 0.125 (3.18) +0.020 (+0.50)A The minimum is the lowest wall thickness of the pipe at any cross section. The maximum permitted wall thickness, at any cr
30、oss section, is the minimum wall thicknessplus the stated tolerance.D2949 1826.3.1 PipeThe pipe shall support a minimum load of 600 lbf/linear ft (810 N/m) at 15 % deflection of the original diameter(deflection load), and shall deflect 60 % of the original diameter (crush resistance) without crackin
31、g, rupture, or other visibleevidence of failure when tested in accordance with 7.4. The minimum pipe stiffness at 5 % deflection shall be 115 lbf/in.in. (800kPa).6.3.2 FittingsIndividual fittings unassembled shall withstand a minimum load of 1000 lbf/ft (1350 N/m) of centerline lengthwithout crackin
32、g or other visible evidence of failure when tested in accordance with 7.4. This requirement does not apply to inlinefittings.6.4 Flattening ResistanceThe average decrease in inside diameters of pipe and fittings shall not exceed 10 % when tested inaccordance with 7.5 (Note 32).6.5 Impact ResistanceT
33、he minimum impact resistance, when tested at the time of manufacture, shall be 50 ftlbf (67.79 J) at73F (23C)73 F (23 C) for pipe and 20 ftlbf (27.12 J) at 73F73 F for fittings. Test in accordance with Test Method D2444using Tup C and Holder A for pipe and Tup A and Holder B for fittings. Use a 12-l
34、b (5-kg) tup for testing pipe and fittings. Testcouplings cemented to short pieces of pipe and allowed to dry for 24 h.6.5.1 Test 10 specimens. When 9 or 10 specimens pass, accept the lot. When 2 or more specimens fail, test 10 additionalspecimens.When 17 of 20 specimens tested pass, accept the lot.
35、When 4 or more of 20 specimens fail, test 20 additional specimens.When 32 of 40 specimens pass, accept the lot. When 9 or more of 40 specimens fail, the lot does not meet the requirements ofthis specification.TABLE 2 Dimensions and Tolerances for Fitting Sockets for 3.25-in. Outside Diameter PVC Pla
36、stic Drain, Waste, and Vent Pipe Fittings,in. (mm)NOTE 1Spigot ends shall conform to the outside diameters and tolerances for pipe of the same sizeNominalPipe Size,in.ASocket Entrance DiameterBSocket Bottom DiameterCSpigot andSocket DepthDWall ThicknessavgA TmB avgC TmB min minD,E3.25 3.265 (82.94)
37、0.008 (0.20) 3.245 (82.42) 0.008 (0.20) 112 (38) 0.140 (3.56)A The tolerances on this average are +0.010 to 0.005 in. (+0.25 to 0.13 mm).B Tm = permissible deviation of diameter from measured average, often called out-of-roundness.C Tolerance on average +0.005 in., 0.010 in. (+0.13 mm, 0.25 mm).D Mi
38、nimum wall thickness in the socket is 0.125 in.E The wall thickness is a minimum value except that a 10 % variation resulting from core shift is allowable. In such a case, the average of the two opposite wall thicknessesshall equal or exceed the value shown in the table.TABLE 3 3.25-in. Outside Diam
39、eter Bends, in. (mm)Nominal PipeSize, in. 14 Bend G, minLong-Sweep 14Bend G, min 18 Bend J, min 16 Bend J, min 116 Bend J, min3.25 278 (73) 4 (101.6) 1 (25.4) 114 (31.8) 58 (15.88)D2949 1836.5.2 Failure of the test specimen shall be shattering or any crack or break extending entirely through the pip
40、e wall and visibleto the unaided eye.6.6 ThreadsFor all fittings having taper pipe threads, threads shall conform to Specification F1498 and be gaged in accordancewith 7.6.6.7 Extrusion QualityThe pipe shall not flake or disintegrate when tested in accordance with Test Method D2152.TABLE 4 3.25-in.
41、Outside Diameter Reducing Spigots, in. (mm)Nominal Pipe Size, in. L2, min L1, min L3, min M AJ, Nominalmax min3.25 by 4-in.Cast Iron 378 (98.4) 558 (142.9) 38 (9.5) 4916 (115.9) 412 (114.3) 378 (98.4)TABLE 5 3.25-in. Outside Diameter Reducing Sanitary Tee and 45 Wyes, in. (mm)Nominal Pipe Size, in.
42、Sanitary Tee Reducing 45 Wye Reducing Single and DoubleG1 , min G2, min G3, min G1, min G2, min G3, min3.25 by 3.25 by112-in. IPS1516 (23.8) 134 (44.5) 2316 (55.6) 38 (9.5) 314 (82.5) 31732 (89.7)3.25 by 3.25 by 2-in. IPS 138 (34.9) 2 (50.8) 214 (57.2) 38 (9.5) 314 (82.5) 31116 (93.6)TABLE 6 3.25-in
43、. Outside Diameter Bushings in. (mm)Nominal PipeSize, in.Style 1L, min CM, min R, min3.25 by 112-in. IPS 178 (47.6) 118 (28.6) 38 (9.5)3.25 by 2-in. IPS 178 (47.6) 1 (25.4) 38 (9.5)3.25 by 3-in. IPS 134 (44.5) 14 (6.4) 0 (0)D2949 1847. Test Methods7.1 SamplingTake a random sample from each lot or sh
44、ipment of the pipe and fittings sufficient to determine conformancewith this specification.About 40 ft (12 m) of pipe are required to make the tests prescribed. The number of fittings required variesdepending on the size and type of fitting.7.2 Conditioning:7.2.1 For referee testing at 73F, conditio
45、n the specimens prior to test at 73.463.6F3.6 F (2362C)2 C) and 5065 %10 %relative humidity in accordance with Practice D618, Procedure A.7.2.2 For routine quality control testing at 73F, condition the specimens at the temperature and humidity of the manufacturerstesting facility for not less than 1
46、 h or until the specimens are at the room temperature.7.3 Test Conditions:7.3.1 For referee purposes, conduct tests in the standard laboratory atmosphere of 73.4 6 3.6F3.6 F (23 6 2C)2 C) and 506 5 %10 % relative humidity.7.3.2 For routine quality control testing, conduct tests at the temperature an
47、d humidity of the manufacturers testing area.7.4 Deflection Load and Crush ResistanceMeasure the deflection load and crush resistance of pipe and fittings in accordancewith Test Method D2412. In the test for pipe note the load when the initial inside diameter is reduced by 5 % (pipe stiffness), byTA
48、BLE 7 4-in. by 3.25-in. Outside Diameter Reducing Closet RingNOTE 1Slot is optional if fully reinforced with a corrosion-resistant material.4( 3( REDUCING CLOSET RINGCloset Flange, in. (mm)Ain. mm7 (180)4 (101.5)234 (70)114 (32)12 (13)716 (11)14 (6.5)A Tolerance 116 in. or 1.6 mm.TABLE 8 3.25-in. Ou
49、tside Diameter Sanitary Tees45 Wyes, in. (mm)Nominal Pipe Size, in. Sanitary Tee Single and Double, min 45 Wye Single and Double, minGN GJ GN GJ3.25 1716 (36.5) 21516 (74.6) 34 (19.0) 418 (104.8)D2949 18515 % (deflection load), and continue the test until the diameter is reduced by 60 % of its original value (crush resistance). The rateof head approach shall be 0.20 to 0.25 in./min (5.1 to 6.4 mm/min). Each specimen shall meet the requirements of 6.3.1.7.4
