Designation:F2854−10StandardSpecificationforPush-FitCrosslinkedPolyethylene(PEX)MechanicalFittingsforCrosslinkedPolyethylene(PEX)Tubing1ThisstandardisissuedunderthefixeddesignationF2854;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverscrosslinkedpolyethylene(PEX)push-fitmechanicalfittingsforusewithcrosslinkedpolyethylene(PEX)tubingin1⁄2,3⁄4,1and11⁄4in.nominaldiametersthatmeettherequirementsofSpecificationF876.Thesefittingsareintendedforuseinresidentialandcommercial,hotandcold,potablewaterdistributionsystemsaswellashydronicheating,includingunder-floorheatingsystems,uptoandincluding100psig(6.90bar)and180°F(82°C).Includedaretherequirementsformaterials,workmanship,dimensions,performance,andmarkingstobeusedonthefittings.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A269SpecificationforSeamlessandWeldedAusteniticStainlessSteelTubingforGeneralServiceA276SpecificationforStainlessSteelBarsandShapesA312/A312MSpecificationforSeamless,Welded,andHeavilyColdWorkedAusteniticStainlessSteelPipesA351/A351MSpecificationforCastings,Austenitic,forPressure-ContainingPartsB16/B16MSpecificationforFree-CuttingBrassRod,BarandShape...
