Designation:F2164−18StandardPracticeforFieldLeakTestingofPolyethylene(PE)andCrosslinkedPolyethylene(PEX)PressurePipingSystemsUsingHydrostaticPressure1ThisstandardisissuedunderthefixeddesignationF2164;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticeprovidesinformationonapparatus,safety,pre-testpreparation,andproceduresforconductingfieldtestsofpolyethyleneandcrosslinkedpolyethylenepressurepipingsystemsbyfillingwithaliquidandapplyingpressuretodetermineifleaksexistinthesystem.1.2Thispracticedoesnotaddressleaktestingusingapressurizedgas(pneumatictesting).Forsafetyreasons,somemanufacturersprohibitorrestrictpneumaticpressuretestingoftheirproducts.Failureduringapressureleaktestcanbeexplosive,violent,anddangerous,especiallyifacompressedgasisused.Inacompressedgastest,boththepressurestressonthesystemandtheenergyusedtocompressthegasarereleasedatafailure.Forfieldleaktestingusingpressurizedgas,seePracticeF2786.1.3Thispracticedoesnotapplytoleaktestingofnon-pressure,gravity-flow,negativepressure(vacuum),ornon-thermoplasticpipingsystems.Forfield-testingofplasticgrav-ityflowsewerlines,seeTestMethodF1417.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.AdditionalsafetyinformationispresentedinSection7andthroughoutthisstandard.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciples...