Designation:F1041−02(Reapproved2008)StandardGuideforSqueeze-OffofPolyolefinGasPressurePipeandTubing1ThisstandardisissuedunderthefixeddesignationF1041;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribesgeneralproceduresforsqueeze-offofpolyolefingaspressurepipeandtubing.Pipeandsqueezetoolmanufacturersshallberequestedtosupplyrecommenda-tionsforsqueeze-offwithmaterialsorproducts.1.2Governingcodesandprojectspecificationsshouldbeconsulted.Nothinginthisdocumentshouldbeconstruedasrecommendingpracticesorsystemsatvariancewithgoverningcodesandprojectspecifications.1.3Thisguidecoverssqueeze-offofpolyolefinpipeandtubinginaccordancewithSpecificationD2513.1.4Whereapplicableinthisguide,“pipe”shallmean“pipeandtubing.”1.5Units–Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2513SpecificationforPolyethylene(PE)GasPressurePipe,Tubing,andFittingsF1734PracticeforQualificationofaCombinationofSqueezeTool,Pipe,andSqueeze-OffProcedurestoAvoidLong-TermDamageinPolyethylene(PE)GasPipe2.2OtherStandards:GRI-92/0147.2Volume2:TechnicalReferenceonSqueeze-offofPolyethyleneGasPipes33.SignificanceandUse3.1Squeeze-offisatechniqueusedtocontroltheflowofgasthroughapipebythecompressingactionofamechanicalorhydraulicdevice.Squeeze-offmaybeusedtoreducetheflowofgastoanacceptablerate.3.2Propersqueeze-offproceduresresultinsignificanttimesavinginthereductionofg...
