ASTM F2620-2006 聚乙烯管及配件热熔连接的标准实施规范

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【英文标准名称】:StandardPracticeforHeatFusionJoiningofPolyethylenePipeandFittings
【原文标准名称】:聚乙烯管及配件热熔连接的标准实施规范
【标准号】:ASTMF2620-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F17.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:buttfusion;fitting;heatfusion;joining;pipe;polyethylene;polyolefin;saddlefusion;socketfusion
【摘要】:TheproceduresdescribedinSections7-9areprimarilyintendedfor(butnotlimitedto)fieldjoiningofpolyethylene(PE)pipeandfittings,usingsuitableequipmentandappropriateenvironmentalcontrolprocedures.Whenproperlyimplemented,strongpressure/leak-tightjointsareproduced.Whenthesejointsaredestructivelytested,thefailureoccursoutsidethefusionjoinedarea.Meltcharacteristics,averagemolecularweightandmolecularweightdistributionareinfluentialfactorsinestablishingsuitablefusionparameters;therefore,considerthemanufacturer’instructionsintheuseordevelopmentofaspecificfusionprocedure.SeeAnnexA1.Thesocketfusion,buttfusion,andsaddlefusionproceduresinthispracticearesuitableforjoiningPEgaspipeandfittings,PEwaterpipeandfittings,andPEgeneralpurposepipesandfittingsmadetoPEproductspecificationsfromorganizationssuchasASTM,AWWA,API,andISOthatareusedinpressure,lowpressureandnon-pressureapplications.Forgasapplications,qualificationoftheprocedurebytestingjointsmadeusingtheprocedureinaccordancewithregulationsfromtheauthorityhavingjurisdictionarerequired.1.1Thispracticedescribesproceduresformakingjointswithpolyethylene(PE)pipeandfittingsbymeansofheatfusionjoiningin,butnotlimitedto,afieldenvironment.Othersuitableheatfusionjoiningproceduresareavailablefromvarioussourcesincludingpipeandfittingmanufacturers.Thisstandarddoesnotpurporttoaddressallpossibleheatfusionjoiningprocedures,ortoprecludetheuseofqualifiedproceduresdevelopedbyotherpartiesthathavebeenprovedtoproducereliableheatfusionjoints.1.2Theparametersandproceduresareapplicableonlytojoiningpolyethylenepipeandfittingsofrelatedpolymerchemistry.TheyareintendedforPEfuelgaspipeperSpecificationD2513andPEpotablewater,sewerandindustrialpipemanufacturedperSpecificationF714,SpecificationD3035,andAWWAC901andC906.Consultwiththepipemanufacturerstomakesuretheyapprovethisprocedureforthepipetobejoined(seeAppendixX1).Note1InformationaboutpolyethylenepipeandfittingsthathaverelatedpolymerchemistryispresentedinPlasticsPipeInstitute(PPI)TR-33andTR-41.1.3PartsthatarewithinthedimensionaltolerancesgiveninpresentASTMspecificationsarerequiredtoproducesoundjointsbetweenpolyethylenepipeandfittingswhenusingthejoiningtechniquesdescribedinthispractice.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thetextofthispracticereferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthepractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J15;G33
【国际标准分类号】:23_040_20;23_040_45
【页数】:19P.;A4
【正文语种】:


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Product Code:SAE AS9681
Title:Bolt, Machine - Double Hex, Extended Washer Hd, Pd Shank, Cup Washer Locked, Cadmium Plated, Steel, Uns G87400, 125 Ksi Min, .2500-28 Unjf-3a
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.【英文标准名称】:Shipsandmarinetechnology-Ventilationofcargospaceswherevehicleswithinternalcombustionenginesaredriven-Calculationoftheoreticaltotalairflowrequired.
【原文标准名称】:船舶和海洋技术.内燃机驱动车辆用货物空间的通风.所需总理论通风量的计算
【标准号】:NFJ31-156-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-08-01
【实施或试行日期】:2003-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:容积流量率;通风;空气体积流量;污染物排放;污染物浓度;货舱;船舱;摩托车;渡船;造船;内燃机;计算方法;通气;海船;数学计算;定义
【英文主题词】:
【摘要】:
【中国标准分类号】:U25
【国际标准分类号】:47_020_90
【页数】:20P;A4
【正文语种】:其他