1、Designation:D246621An American National StandardStandard Specification forPoly(Vinyl Chloride)(PVC)Plastic Pipe Fittings,Schedule401This standard is issued under the fixed designation D2466;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revi
2、sion,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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification c
3、overs poly(vinyl chloride)(PVC)Schedule 40 pipe fittings.Included are requirements formaterials,workmanship,dimensions,and burst pressure.NOTE1Socket-type CPVC plastic pipe fittings,Schedule 40,whichwere formerly included in this standard,are now covered by SpecificationF438.1.2 The products covered
4、 by this specification are intendedfor use with the distribution of pressurized liquids only,whichare chemically compatible with the piping materials.Due toinherent hazards associated with testing components and sys-tems with compressed air or other compressed gases,somemanufacturers do not allow pn
5、eumatic testing of their products.Consult with specific product/component manufacturers fortheir specific testing procedures prior to pneumatic testing.NOTE2Pressurized(compressed)air or other compressed gasescontain large amounts of stored energy which present serious safteyhazards should a system
6、fail for any reason.1.3 Fitting such as unions,flanges,special plastic-to-metaltransitions and appurtenances intended for use with PVCpiping are covered under specification F1970.1.4 The text of this specification references notes,footnotes,and appendixes which provide explanatory material.Thesenote
7、s and footnotes(excluding those in tables and figures)shallnot be considered as requirements of the specification.1.5 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
8、are not considered standard.1.6 The following safety hazards caveat pertains only to thetest method 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 estab
9、lish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for th
10、eDevelopment of International 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 TestingD1599 Test Method for Resistance to Short-Time HydraulicPre
11、ssure of Plastic Pipe,Tubing,and FittingsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1784 Classification System and Basis for Specification forRigid Poly(Vinyl Chloride)(PVC)Compounds and Chlo-rinated Poly(Vinyl Chloride)(CPVC)CompoundsD2122 Test Method for Determining Dimensions of
12、 Ther-moplastic Pipe and FittingsD2749 Symbols for Dimensions of Plastic Pipe FittingsF412 Terminology Relating to Plastic Piping SystemsF438 Specification for Socket-Type Chlorinated Poly(VinylChloride)(CPVC)Plastic Pipe Fittings,Schedule 40F1498 Specification for Taper Pipe Threads 60 for Thermo-p
13、lastic Pipe and FittingsF1970 Specification for Special Engineered Fittings,Appur-tenances or Valves for use in Poly(Vinyl Chloride)(PVC)or Chlorinated Poly(Vinyl Chloride)(CPVC)Systems2.2NSF/ANSI Standards:3NSF/ANSI Standard No.14 for Plastic Piping Componentsand Related MaterialsNSF/ANSI Standard
14、No.61 Drinking Water SystemsComponentsHealth Effects1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings.Current edition approved April 1,2021.Published April 2021.Originallyapproved in 1965.L
15、ast previous edition approved in 2017 as D2466 17.DOI:10.1520/D2466-21.2For 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 Summary page onthe ASTM web
16、site.3Available from NSF International,P.O.Box 130140,789 N.Dixboro Rd.,AnnArbor,MI 48113-0140,http:/www.nsf.org.*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 on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides a
