Designation:F1545−15aStandardSpecificationforPlastic-LinedFerrousMetalPipe,Fittings,andFlanges1ThisstandardisissuedunderthefixeddesignationF1545;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversfactory-madeplastic-linedfer-rousmetalpipe,fittings,andflangesintendedprimarilyforconveyingcorrosivefluids.Requirementsformaterials,workmanship,dimensions,design,fabrication,workingpres-sureandtemperatures,testmethods,qualificationrequirements,andmarkingsareincluded.1.1.1Thisspecificationdoesnotdefinethesuitabilityofdifferentlinermaterialstovariouschemicalandoperatingenvironments.Refertothemanufacturer’schemicalresistancedataforsuitabilityrecommendations.1.1.2Thisspecificationdoesnotincludeproductscoatedwithplastics.1.2Thisspecificationcoversplastic-linedpipe,flanges,andfittingsaslistedinTable1.PressurelimitationsshallbeinaccordancewithASMEB16Standards,exceptreducedpres-surelimitationsmaybeestablishedbythemanufacturer,consideringbothpressureandtemperaturelimitationsoftheferrousmetalhousingandthesealingabilityoftheliner.NOTE1—Inthisspecification,propyleneplasticscoverthosematerialsdefinedasbothpolypropyleneplasticsandpropyleneplasticsinTermi-nologyF412.Bothmaterialsareidentifiedas“PP”ontheproduct.NotethatthisisatvariancewithTerminologyD1600,where“PP”istheabbreviationforpolypropylene.1.3Theplastic-linedflangedpipeandfittingassembliesarelimitedtotemperaturesshowninTable2.Endusersshouldconsultwithmanufacturersastothelikelyresultofusingaparticularlinedpipingcomponentattemperaturesbelowtheratedminimum.NOTE2—Thetemperaturelimitationsarebasedonnoncorrosivetestconditions.Useinspecificaggressiveenvironmentsmayaltertemperaturelimitations.Insuchinstances,specifictemperaturelimitsshallbeestab-lishedbymutualagreementbetweenthepurchaserandthe...