Designation:F1970−12´1StandardSpecificationforSpecialEngineeredFittings,AppurtenancesorValvesforuseinPoly(VinylChloride)(PVC)orChlorinatedPoly(VinylChloride)(CPVC)Systems1ThisstandardisissuedunderthefixeddesignationF1970;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—Section2waseditoriallyupdatedinAugust2013.1.Scope*1.1Thisspecificationcoversfittings,appurtenancesandvalveswhicharetobeusedwithpipeandtubingcomplyingwithSpecificationsD1785,D2241,D2846/D2846M,F441/F441MorF442/F442M,orotherpipingasspecifiedbythefittingsmanufacturer.Theseproducts,suchasunions,flangesorvalves,arenotincludedinthescopeofexistingASTMspecifications.Thisspecificationincludesminimumrequire-mentsfortesting,materials,dimensions,workmanship,marking,andin-plantqualitycontrol.1.2Fittingsorappurtenancescoveredbythisspecificationaregenerallyeithermolded,fabricated,orassembledfrommoldedormachinedcomponents.Thematerialsusedincomponentsincluderigidthermoplastics,thermoplasticelastomers,elastomerics,andmetals.Thebodyormainportionofthefitting,appurtenanceorvalveistypicallyPVC,CPVC,PEorPA(nylon).AllproductscoveredbythisstandardareintendedtobeusedinPVCorCPVCplasticpipingsystems,orasatransitionfromthesetometalsystems.1.3Theapplicationoftheseproductstogasserviceisbeyondthescopeofthisspecification.1.4Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsys-temswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.NOTE1—Warning:Pressurized(compressed)airorothercompressedgasescontainlargeamountsofst...
