Designation:F667/F667M−15StandardSpecificationfor3through24in.CorrugatedPolyethylenePipeandFittings1ThisstandardisissuedunderthefixeddesignationF667/F667M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversrequirementsandtestmethodsformaterials,workmanship,dimensions,perforations,pipestiffness,elongation,jointseparationresistance,qualityofextrudedpolyethylene,brittleness,bond,andmarkingofcor-rugatedpolyethylene(PE)pipeandfittings.Itcoversnominalsizes3in.[76mm],4in.[102mm],5in.[127mm]6in.[152mm],8in.[203mm],10in.[254mm],12in.[305mm],15in.[381mm],18in.[457mm],and24in.[610mm].1.2Thisspecificationcoverstubularlyextruded,spirallylaminated,androtationallymoldedcorrugatedpolyethylenepipe.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD2412TestMethodforDeterminationofExternalLoadingCharacteristicsofPlasticPipebyParallel-PlateLoadingD2444TestMethodforDeterminationoftheImpactResis-tanceofThermoplasticPipeandFittingsbyMeansofaTup(FallingWeight)D3350SpecificationforPolyethylenePlasticsPipeandFit-tingsMaterialsF412TerminologyRelatingtoPlasticPipingSystemsF449PracticeforSubsurfaceInstallationofCorrugatedPolyethylenePipeforAgriculturalDrainageorWaterTableControl2.2FederalStandard:3Fed.Std.No.123...
