Designation:D1599−18StandardTestMethodforResistancetoShort-TimeHydraulicPressureofPlasticPipe,Tubing,andFittings1ThisstandardisissuedunderthefixeddesignationD1599;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationoftheresis-tanceofthermoplasticpipe,tubingandfittings,andreinforcedthermosettingpipeandreinforcedthermoplasticpipetohy-draulicpressureinashorttimeperiod.ProcedureAisusedtodetermineburstpressureofaspecimenifthemodeoffailureistobedetermined.ProcedureBisusedtodeterminethataspecimencomplieswithaminimumburstrequirement.NOTE1—Reinforcedthermoplasticpipeisathree-layerconstructionconsistingofathermoplasticcorelayeraroundwhichiswoundacontinuoushelicalreinforcementlayer.Aprotectivethermoplasticcoverlayerisappliedoverthereinforcement.Fordesignandpressure,thethermoplasticcoreandcoverlayersarenotconsideredhoopstressbearingelements.Allofthehoopstressistakenupbythereinforcementlayer.1.2Thistestmethodissuitableforestablishinglaboratorytestingrequirementsforqualitycontrolpurposesorforpro-curementspecifications.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendati...
