1、Designation:D331122An American National StandardStandard Specification forDrain,Waste,and Vent(DWV)Plastic Fittings Patterns1This standard is issued under the fixed designation D3311;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,th
2、e 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 provides standard fitting geometriesand laying lengths for plastic fittings intended for use
3、in drain,waste,and vent applications.(See Specifications D2661 andD2665.)1.2 Fittings meeting the requirements of this standard speci-fication are designed for use with outside diameter controlledpipe.The inside diameter of pipe can vary significantly as thewall thickness and outside diameter varies
4、 and therefore is notsuitable for use as a fitting socket.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This international stand
5、ard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Refere
6、nced Documents2.1 ASTM Standards:2D2661 Specification for Acrylonitrile-Butadiene-Styrene(ABS)Schedule 40 Plastic Drain,Waste,and Vent Pipeand FittingsD2665 Specification for Poly(Vinyl Chloride)(PVC)PlasticDrain,Waste,and Vent Pipe and FittingsF1498 Specification for Taper Pipe Threads 60 for Therm
7、o-plastic Pipe and Fittings3.Requirements3.1 Fittings shall conform to the geometries and layinglengths as shown in Tables 1-45 and Figs.1-5.Tolerances shallbe 6116in.unless otherwise specified.3.2 Spigot and hub dimensions shall conform to the require-ments of the referencing standard.3.3 The exact
8、 outside shape of a fitting is not determined bythe outline drawings shown in this specification but rather bythe socket dimensions,wall thickness requirements,waterway,laying lengths,and any other critical dimensions that may bespecified.3.4 The pitch of sockets for patterns with 90 angles(exceptve
9、nt fittings)shall be14in./ft or 1 12 min.3.5 On double reducing sanitary tees,the G2 dimension onbranches will be calculated on the larger size and centerlinesshall remain the same for both branches.3.6 All other dimensions,materials and property require-ments shall be in conformance with the refere
10、ncing standard.4.Keywords4.1 DWV;fittings;plastic;Schedule 40;thermoplastic1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.63 on DWV.Current edition approved Oct.1,2022.Published October 2022.Originally
11、approved in 1974.Last previous edition approved in 2021 as D3311 17(2021).DOI:10.1520/D3311-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Sum
12、mary page onthe ASTM website.*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 StatesThis international standard was developed in accordance with internationally recognized principles
13、 on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1TABLE 1 Bends,in.(mm)Nominal Pipe Size14BendLong Sweep14Bend18Bend16Bend116BendGGGG
14、G1141916(40)214(57)1(25)78(22)716(11)112134(44)234(70)118(29)1(25)12(13)22516(59)314(83)112(38)1516(33)1116(17)33116(78)4116(103)134(44)11116(43)1316(21)4378(98)41516(125)2316(56)2116(52)1(25)65(min)(127)9(229)2(min)(51)338(86)112(38)86(152).2116(52).112(38)10914(235)A.258(67)A.2316(56)A12101116A.31
15、8(79)A.238(60)AA10 in.and 12 in.fittings dimensions are minimumTABLE 2 Bends with Inlets,in.(mm)Nominal Pipe Size14Bend with Low Heel InletLong-Sweep14Bend with Low HeelInletLong-Sweep14Bend with High Heel InletGNGNGNGG3 by 3 by 1123116(78)4316(106)4116(103)434(121).3 by 3 by 23116(78)4716(113)4116(
16、103)41516(125)4116(103)558(143)214(57)4 by 4 by 2378(98)5716(138)41516(125)6(152).D3311 222TABLE 3 Sanitary Tees,45 Wyes,Combination Wyes and18Bends,in.(mm)Nominal Pipe SizeSanitary Tee Single and DoubleA45 Wye,Single and DoubleCombination Wye and18Bend Single andDoubleGNGJGNGJGNGJ11434(19)1916(40)1116(27)2916(65)716(11)21516(75)1121(25)134(44)118(29)278(73)12(13)338(86)2138(35)2516(59)138(35)358(92)1(25)412(114)311316(46)3116(78)158(41)5(127)118(29)6516(160)4214(57)378(98)178(48)D638(162)11316(
