1、Designation:D294918An 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 indicates the year ofor
2、iginal 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 test methodsfor material
3、s,dimensions and tolerances,deflection load,crushresistance,flattening resistance,impact resistance,and solventcement.Aform of marking is also included.Plastic which doesnot meet the material requirements specified in Section 5 isexcluded.NOTE1This specification was formerly issued under the title,3
4、-in.Thin Wall Poly(Vinyl Chloride)(PVC)Plastic Drain,Waste,and Vent Pipeand Fittings.1.1.1 Techniques for making solvent-cement joints aregiven in Practice D2855.1.2 The text of this specification references notes,footnotes,and appendixes which provide explanatory material.Thesenotes and footnotes(e
5、xcluding those in tables and figures)shallnot be considered as requirements of the specification.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 considere
6、d standard.1.4 The following precautionary caveat pertains only to thetest methods portion,Section 7,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate
7、safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of I
8、nternational Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1784 Specificat
9、ion for Rigid Poly(Vinyl Chloride)(PVC)Compounds and Chlorinated Poly(Vinyl Chloride)(CPVC)CompoundsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2152 Test Method for Adequacy of Fusion of ExtrudedPoly(Vinyl Chloride)(PVC)Pipe and Molded Fittings byAcetone Immersio
10、nD2412 Test Method for Determination of External LoadingCharacteristics of Plastic Pipe by Parallel-Plate LoadingD2444 Practice for Determination of the Impact Resistanceof Thermoplastic Pipe and Fittings by Means of a Tup(Falling Weight)D2564 Specification for Solvent Cements for Poly(VinylChloride
11、)(PVC)Plastic Piping SystemsD2855 Practice for the Two-Step(Primer and Solvent Ce-ment)Method of Joining Poly(Vinyl Chloride)(PVC)orChlorinated Poly(Vinyl Chloride)(CPVC)Pipe andPiping Components with Tapered SocketsD3311 Specification for Drain,Waste,and Vent(DWV)Plastic Fittings PatternsF402 Pract
12、ice for Safe Handling of Solvent Cements,Primers,and Cleaners Used for Joining ThermoplasticPipe and FittingsF412 Terminology Relating to Plastic Piping SystemsF1498 Specification for Taper Pipe Threads 60 for Thermo-plastic Pipe and Fittings3.Terminology3.1 DefinitionsDefinitions are in accordance
13、with Termi-nology F412,and abbreviations are in accordance with Termi-nology D1600,unless otherwise specified.1This 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 Nov.1,201
14、8.Published January 2019.Originallyapproved in 1971.Last previous edition approved in 2010 as D2949 10.DOI:10.1520/D2949-18.2For 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
15、to the standards Document Summary 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 internat
16、ionally recognized principles 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.1 4.Significance and Use4.1 The requirements of this specification are intended toprovide pipe and fittings suitable for drainage of sewage andcertain other liquid wastes where toughness,resistance todeterioration from water and chemicals,flattening and a