Designation:D2466−15StandardSpecificationforPoly(VinylChloride)(PVC)PlasticPipeFittings,Schedule401ThisstandardisissuedunderthefixeddesignationD2466;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverspoly(vinylchloride)(PVC)Schedule40pipefittings.Includedarerequirementsformaterials,workmanship,dimensions,andburstpressure.NOTE1—Socket-typeCPVCplasticpipefittings,Schedule40,whichwereformerlyincludedinthisstandard,arenowcoveredbySpecificationF438.1.2Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsys-temswithcompressedairorothercompressedgases,somemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.NOTE2—Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafteyhazardsshouldasystemfailforanyreason.1.3Fittingsuchasunions,flanges,specialplastic-to-metaltransitionsandappurtenancesintendedforusewithPVCpipingarecoveredunderspecificationF1970.1.4Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section7,ofthisspecification.Thisstandarddoesnotpurporttoaddre...
