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BS EN 713-1995 塑料管道系统.管件和聚烯烃压力管的机械连接.组件承受弯曲作用时内部压力密封性的试验方法

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【英文标准名称】:Plasticspipingsystems-Mechanicaljointsbetweenfittingsandpolyolefinpressurepipes-Testmethodforleaktightnessunderinternalpressureofassembliessubjectedtobending
【原文标准名称】:塑料管道系统.管件和聚烯烃压力管的机械连接.组件承受弯曲作用时内部压力密封性的试验方法
【标准号】:BSEN713-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-05-15
【实施或试行日期】:1995-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:弯曲试验;弯曲;弯曲半径;抗弯试验设备;夹紧连接;压合接头;抗压试验;配件;检验;内压力;连接工艺;材料;管连接件;管道配件;管道;管;管系统;塑料管道;塑料管;塑料;聚烯烃;压力管;质量;质量要求;规范(验收);试验;热塑性聚合物;密封性;不透水性试验
【英文主题词】:Bendtesting;Bending;Bendingradius;Bendingtestequipment;Clampingjoints;Compressionfittings;Compressiontesting;Fittings;Inspection;Internalpressure;Joiningprocesses;Materials;Pipecouplings;Pipefittings;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyolefins;Pressurepipes;Quality;Qualityrequirements;Specification(approval);Testing;Thermoplasticpolymers;Tightness;Watertightnesstests
【摘要】:ThisEuropeanStandardspecifiesamethodforcheckingtheleaktightnessunderinternalhydrostaticpressureofassembledmechanicaljoints(excludingfusion-weldedjoints)betweenfittingsandpolyolefinpressurepipeswhilesubjectedtobending.Itdetailsacalculationmethodfortheaveragebendingradiusandtheprocedureforachievingthisbending(seenote).CheckingoftheleaktightnessunderinternalpressureiscarriedoutinaccordancewiththemethodgiveninEN715.Thetestmethodisapplicableregardlessofthedesignandmaterialofthefittingusedforjointingpipes.
【中国标准分类号】:P94
【国际标准分类号】:23_040_60
【页数】:14P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforGeneralTechniquesofThermogravimetricAnalysis(TGA)CoupledWithInfraredAnalysis(TGA/IR)
【原文标准名称】:联用红外线分析的热重分析通用技术的标准实施规范
【标准号】:ASTME2105-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E13.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:infraredspectroscopy;TGA/IR;thermogravimetry
【摘要】:Thispracticeprovidesgeneralguidelinesforthepracticeofthermogravimetrycoupledwithinfraredspectrometricdetectionandanalysis(TGA/IR).Thispracticeassumesthatthethermogravimetryinvolvedinthepracticeisproper.Itisnottheintentionofthispracticetoinstructtheuseronproperthermogravimetrictechniques.PleaserefertoTestMethodE1131formoreinformation.1.1Thispracticecoverstechniquesthatareofgeneraluseinthequalitativeanalysisofsamplesbythermogravimetricanalysis(TGA)coupledwithinfrared(IR)spectrometrictechniques.ThecombinationofthesetechniquesisoftenreferredtoasTGA/IR.1.2AsampleheatedinaTGAfurnaceusingapredeterminedtemperatureprofiletypicallyundergoesoneormoreweightlosses.Materialsevolvedduringtheseweightlossesarethenanalyzedusinginfraredspectroscopytodeterminechemicalidentity.Theanalysismayinvolvecollectingdiscreteevolvedgassamplesor,morecommonly,mayinvolvepassingtheevolvedgasthroughaheatedflowcellduringtheTGAexperiment.ThegeneraltechniquesofTGA/IRandothercorrespondingtechniques,suchasTGAcoupledwithmassspectroscopy(TGA/MS),aswellas,TGA,usedinconjunctionwithGC/IR,aredescribedinthereferencedliterature(1-4).1.3Somethermalanalysisinstrumentsaredesignedtoperformboththermogravimetricanalysisanddifferentialscanningcalorimetrysimultaneously.Thistypeofinstrumentissometimescalledasimultaneousthermalanalyzer(STA).TheevolvedgasanalysisperformedwithanSTAinstrument(5)issimilartothatwithaTGA,andso,wouldbecoveredbythispractice.Withuseofasimultaneousthermalanalyzer,thecoupledmethodtypicallyislabeledSTA/IR.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstatementdoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N11
【国际标准分类号】:71_040_50
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Steelthreadedpipefittings
【原文标准名称】:螺纹钢管配件
【标准号】:BSEN10241-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-07-15
【实施或试行日期】:2000-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:管道配件;棒材;无缝管;管;轧制品;尺寸;钢;螺纹管接头;名称与符号;锻件;螺纹零件
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesrequirementsforthreadedfittingsofnominalsizesfromDN6toDN150inclusive,madeoutofweldedorseamlesssteeltubes,forgingandrolledbars.Itisapplicabletothosethreadedsteelpipefittingsthatareusedinthetransportationanddistributionofliquidorgas.
【中国标准分类号】:J15
【国际标准分类号】:23_040_40
【页数】:34P;A4
【正文语种】:英语