Designation:D8046−21StandardGuideforPumpabilityofHeatTransferFluids1ThisstandardisissuedunderthefixeddesignationD8046;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidecoversgeneralinformation,withoutspecificlimits,forselectingandevaluatingpumpabilitycharacteristicsofheattransferfluidsatbothlowandhightemperature.Thisguideisacompendiumofinformationanddoesnotrecom-mendaspecificcourseofaction.Thisguideprovidesaddi-tionalinformationonpumpabilitytopicsfoundincompanionguidesforevaluatingheattransferfluids,GuidesD5372andD7665.1.2Pumpabilityofheattransferfluidsisdependentonbothfluidpropertiesandthedesignofthefluidhandlingsystemthatstoresandtransportsthefluid,andthereforepresentsanumberofpumpingoptions.Thisguideisconsideredparticularlyusefulforidentifyingpumpabilityoptions.Thelistingofteststandardsandguidesisnotall-inclusiveandadditionalstan-dardsandguidesmaybeuseful.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3.1Exception—Otherunitsareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Usersofheattransferfluidsshouldbeespeciallymindfulofpotentialfireandexplosionhazards.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D92TestMethodforFlashandFirePointsbyClevelandOpenCupTesterD93TestMethodsforFlashPointbyPensky-MartensClosedCupTesterD97Test...
