Designation:D2846/D2846M−19aAnAmericanNationalStandardStandardSpecificationforChlorinatedPoly(VinylChloride)(CPVC)PlasticHot-andCold-WaterDistributionSystems1ThisstandardisissuedunderthefixeddesignationD2846/D2846M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversrequirements,testmethods,assembly,andmethodsofmarkingforchlorinatedpoly(vinylchloride)plastichot-andcold-waterdistributionsystemcom-ponentsmadeinonestandarddimensionratioandintendedforwaterserviceuptoandincluding180°F(82°C).Thesecomponentscomprisepipeandtubing,socket-typefittings,streetfittings,plastic-to-metaltransitionfittings,solventcements,andadhesives.Requirementsandmethodsoftestareincludedformaterials,workmanship,dimensionsandtolerances,hydrostaticsustainedpressurestrength,andther-mocyclingresistance.Thecomponentscoveredbythisspeci-ficationareintendedforuseinresidentialandcommercial,hotandcold,potablewaterdistributionsystems.1.2Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsys-temswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.NOTE1—Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafetyhazardsshouldasystemfailforanyreason.1.3Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification....
