Designation:F2829/F2829M−15AnAmericanNationalStandardStandardSpecificationforMetric-andInch-SizedCrosslinkedPolyethylene(PEX)PipeSystems1ThisstandardisissuedunderthefixeddesignationF2829/F2829M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversperformancerequirements,testmethods,andmarkingrequirementsformetric-andinch-sizedsystemcomponents(electrofusionandmechanicalfittings)whenjoinedwithmetric-orinch-sizedPEXpipe(SpecificationF2788)asasystem,intendedforuseuptoandincludingamaximumworkingtemperatureof200°F[93°C].Thefollow-ingperformancerequirementsaredescribedforthefittings–68°F[20°C]hydrostaticstrength,176°F[80°C]hydrostaticstrength,short-terminternalpressureresistance,resistancetotensileloads,cohesiveresistanceforelectrofusionfittingsatboththeminimumandmaximumrecommendedtemperatures,impactresistanceforsaddlefittings,andleaktightnessandpullouttestsformechanicalfittings.Themetric-andinch-sizedcomponentscoveredbythisspecificationareintendedfortheabove-groundandburiedpressurepipingapplications,suchasindustrial&general-purposepipelines,potablewaterpipelines,andfire–extinguishingpipelines.1.2Thetextofthisspecificationreferencesnotes,footnotes,andappendixes,whichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.3Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.WithinthetexttheSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents:therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.NOTE1—SuggestedhydrostaticdesignstressesandhydrostaticpressureratingsforpipeandfittingsarelistedinAppendixX1.Design,assembly,a...