Designation:D2997−21StandardSpecificationforCentrifugallyCast“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe1ThisstandardisissuedunderthefixeddesignationD2997;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversmachine-madeglass-fiber-reinforcedthermosetting-resinpressurepipemanufacturedbythecentrifugalcastingprocess.Includedareaclassificationsystemandrequirementsformaterials,mechanicalproperties,dimensions,performance,testmethods,andmarking.NOTE1—Theterm“fiberglasspipe”asdescribedinSection3appliestobothreinforcedthermosettingresinpipe(RTRP)andreinforcedpolymermortarpipe(RPMP).NOTE2—Pipecoveredbythisspecificationhasbeenfoundsuitableforconveyinggases,petroleumproducts,orcorrosivefluids.NOTE3—Forthepurposesofthisstandard,polymerdoesnotincludenaturalpolymers.1.2Thevaluesgiveninparenthesesareforinformationonly.NOTE4—ThereisnoknownISOequivalenttothisstandard.1.3Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section7,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C33SpecificationforConcreteAggregatesD618PracticeforConditioningPlasticsforTestingD883TerminologyRelatingtoPlasticsD1598TestMethodforTime-to-FailureofPlasticPipeUnderConstantInternalPressureD1599Te...