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【英文标准名称】:Electriccables—Thermosettinginsulated,armouredcablesforvoltagesof600/1000Vand1900/3300V,havinglowemissionofsmokeandcorrosivegaseswhenaffectedbyfire
【原文标准名称】:电缆.受火燃烧影响时具有低排放率的烟雾和腐蚀性气体、电压为600/1000V和1900/3300V的热固化绝缘、铠装电缆
【标准号】:BS6724-1997+A3-2008
【标准状态】:现行
【国别】:英国
【发布日期】:1997-09-15
【实施或试行日期】:1997-09-15
【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】:铝;铠装电缆;色码;燃烧产物;铜;直径;尺寸;电缆;导电体;电力系统;电绝缘材料;电阻;电气测试;断裂伸长;乙丙橡胶;防火安全;燃烧试验;耐火材料;识别方法;装配;绝缘电缆;作标记;多芯电缆;性能;聚乙烯;电力电缆;额定电压;选择;护套电缆;单芯电缆;烟;试样制备;抗拉强度;试验设备;测试条件;热固性聚合物;厚度;定型测试;磨损试验
【英文主题词】:Aluminium;Armouredcables;Colourcodes;Combustionproducts;Copper;Diameter;Dimensions;Electriccables;Electricconductors;Electricpowersystems;Electricalinsulatingmaterials;Electricalresistance;Electricaltesting;Elongationatfracture;Ethylene-propylenerubber;Firesafety;Firetests;Fire-resistantmaterials;Identificationmethods;Installation;Insulatedcables;Marking;Multicorecables;Performance;Polyethylene;Powercables;Ratedvoltage;Selection;Sheathedcables;Single-corecables;Smoke;Specimenpreparation;Tensilestrength;Testequipment;Testingconditions;Thermosettingpolymers;Thickness;Typetesting;Weartests
【摘要】:ThisBritishStandardspecifiesrequirementsforconstructionanddescribesmethodsoftestforarmouredcableswiththermosettinginsulationofratedvoltages600/1000Vand1900/3300Vwhich,whenassessedbythespecifiedtests,producelowerlevelsofsmokeandcorrosiveproductsunderexposuretofirecomparedwithcablesconformingtoBS5467%Textdeleted&.Cablesspecifiedinthisstandardareintendedforuseinfixedinstallationsinindustrialareas,buildingsandsimilarapplications.Inthisstandard,thelevelofcorrosive(andacid)gasesisdeterminedbymeasurementofhydrochloricacid(HCl)inaccordancewith!BSEN50267-2-1".Theinsulationandothercomponentsaresuitabletopermitoperationofthecablesatamaximumsustainedconductortemperatureof90°Candforamaximumshort-circuitconductortemperatureof250°C.NOTE1Limitationonthetemperatureofthecablesmaybeimposedinsituationswheretheymaybetouched.NOTE2Duetotherelativelyhighconductortemperature,thereisariskofdryingoutthesurroundingsoilcausinganincreaseinthermalresistivitywhichinturnwouldleadtothecabletemperaturerisingtoahighervaluethananticipated.Forcablelaiddirectlyintheground,asuitablede-ratingfactorshouldbeappliedoralowermaximumsustainedconductoroperatingtemperatureshouldbeassumedtotakeintoaccountthepossibleeffectsofsoildryingout.NOTE3Ininstallationswhichincludecablejointsandterminations,theperformanceoftheseaccessoriesshouldbetakenintoaccountindecidingthemaximumoperatingtemperatureofthecable.Thecablesspecifiedinthestandardareallwirearmouredandoversheathed,asfollows:a)600/1000V:single-corestrandedcopperconductor;single-coresolidaluminiumconductor;two-,three-,four-andfive-corestrandedcopperconductor;two-,three-,andfour-coresolidaluminiumconductor;multicoreauxiliarystrandedcopperconductor.b)1900/3300V:single-corestrandedcopperconductor;single-coresolidaluminiumconductor;three-corestrandedcopperconductor;three-coresolidaluminiumconductor.AnnexAgivesrecommendationsfortheselectionandoperationofcableswhilerecommendationsfortheinstallationofcablesaregiveninAnnexB.AnnexCliststheinformationthatshouldbegivenwithanenquiryororder.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:48P.;A4
【正文语种】:英语


【英文标准名称】:Testingofliquifiedpetroleumgases;calculationofvapourpressureat40°Cand70°C
【原文标准名称】:液化石油气的试验.40℃和70℃时蒸气压力的计算
【标准号】:DIN51640-1989
【标准状态】:现行
【国别】:德国
【发布日期】:1989-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:温度;团料;定义;蒸气压力;数学计算;气体;液化石油气;试验;煤气
【英文主题词】:Conglomerates;Definition;Definitions;Gases;Liquefiedpetroleumgas;Mathematicalcalculations;Temperature;Testing;Vapourpressure
【摘要】:Thisstandardestablishesamethodtocalculatethevapourpressureofagivenliquiefiedpetroleumgas(LPG)fromitsvariouscomponents.Bycalculatingthevapourpressurethefrequentlyencountereddifficultiesofanactualmeasuringareavoided.Thecalculatedvapourpressuredeterminesthesafetyprocedures,especiallyduringtransportforagivencargoofLPG.#,,#
【中国标准分类号】:G86
【国际标准分类号】:75_160_30
【页数】:4P;A4
【正文语种】:德语