Designation:F2176−02(Reapproved2009)StandardSpecificationforMechanicalCouplingsUsedonPolyethyleneConduit,DuctandInnerduct1ThisstandardisissuedunderthefixeddesignationF2176;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationestablishesrequirementsformaterial,performance,workmanshipandtestmethodsforthequalifica-tionof2in.andsmallermechanicalcouplingsthatconnecttoDR15.5andlowerpolyethyleneconduit,ductandinnerductcoveredbySpecificationF2160.Throughoutthisstandard,“conduit”refersto“conduit,ductorinnerduct”manufacturedinaccordancewithSpecificationF2160.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thecouplingscoveredbythisspecificationaretypicallydesignedtojoinbetweenconduitends(in-linecoupling).Thesamecoupling-to-conduitjointdesignmaybeusedasapartofothercouplingjointdesignsthattelescope,orconnecttobulkheads,orotheradapterfittingdesigns.Therequirementsofthisstandardapplyonlytothecoupling-to-conduitjointdesign.Theperformancerequirementsofothercouplingjointdesignsarenotapartofthisstandard.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section9ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequire-mentspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D638TestMethodforTensilePropertiesofPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD2444TestMethodforDeterminationoftheImpactResis-tanceofThermoplasticPipeandFittingsbyMeansofaTup(FallingWeight)F412TerminologyRelatingtoPlasticPipin...