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BS 7846-2000 电缆.受火影响时排放少量烟和腐蚀气体的600/1000V热固绝缘铠装耐火电缆

作者:标准资料网 时间:2024-05-17 08:29:31  浏览:9323   来源:标准资料网
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【英文标准名称】:Electriccables-600/1000Varmouredfire-resistantcableshavingthermosettinginsulationandlowemissionofsmokeandcorrosivegaseswhenaffectedbyfire
【原文标准名称】:电缆.受火影响时排放少量烟和腐蚀气体的600/1000V热固绝缘铠装耐火电缆
【标准号】:BS7846-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-10-15
【实施或试行日期】:2000-10-15
【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】:多芯电缆;电绝缘;机械试验;电缆;耐火材料;煤气;热固性聚合物;发射;性能试验;烟;建筑物防火;铠装电缆;燃烧试验;等级(质量);气体;耐火性;防火安全;分类系统;额定电压
【英文主题词】:Armouredcables;Classificationsystems;Electriccables;Electricalinsulation;Emission;Fireresistance;Firesafety;Firesafetyinbuildings;Firetests;Fire-resistantmaterials;Gases;Grades(quality);Insulatedcables;Mechanicaltesting;Multicorecables;Performancetesting;Ratedvoltage;Smoke;Thermosettingpolymers
【摘要】:ThisBritishStandardspecifiestherequirementsforconstructionandperformance,anddescribesmethodsoftest,forarmouredfire-resistantcableswiththermosettinginsulationandofratedvoltage600/1000Vandlowemissionofsmokeandcorrosivegaseswhenaffectedbyfire.Thecircuitintegrityperformanceunderfireconditionsisassessedonthebasisofvarioustestswhicheitherseparatelymeasureresistancetofire,resistancetofirewithwater,andresistancetofirewithmechanicalshock(CategoriesFlandF2),orincombinationmeasureresistancetofirewithmechanicalshockandwater(CategoryF3).Cablesspecifiedinthisstandardareintendedforuseinfixedinstallationsinindustrialareas,buildingsandsimilarapplications,wheremaintenanceofpowersupplyduringafireisrequiredforadefinedperiodoftime.Forthepurposesofthisstandard,cablesaredesignatedbycategoryaccordingtotheirspecialperformancecharacteristics.Thefollowingcategoriesareincluded:CategoryFl—resistancetofirealonewhentestedinaccordancewith17.4.2;CategoryF2—resistancetofire,resistancetofirewithwater,resistancetofirewithmechanicalshock,assessedseparatelywhentestedinaccordancewith17.4.3;CategoryF3—resistancetofirewithmechanicalshockandwaterassessedincombinationwhentestedinaccordancewith17.4.4.NOTE1Attentionisdrawntothefactthattheabilityofagivencabletomeetaparticularcategoryinthisstandardrefersonlytothetestconditionstated,andthelevelofperformanceachievedinaparticularinstallationmaybeinfluencedbyactualinstallationconditions.CablescoveredbythisstandardhavelimitedevolutionofsmokeandcorrosivegaseswhenassessedunderthefireconditionsasspecifiedinBSEN50268andBSEN50267-2-1.Inthisstandard,thelevelofcorrosive(andacid)gasesisdeterminedbymeasurementofhydrochloricacid(HCI)inaccordancewithBSEN50267-2-1.NOTE2Thisisanindirectassessmentmethod,andreferenceshouldbemadetoIEC60695-5-2:1994,5.1.5foradditionalguidance.Theinsulationandothercomponentsaresuitabletopermitoperationofthecablesatamaximumsustainedconductortemperatureof90℃andforamaximumshortcircuitconductortemperatureof250℃.NOTE3Limitationonthetemperatureofthecablesmaybeimposedinsituationswheretheymaybetouched.NOTE4Duetotherelativelyhighconductortemperature,thereisariskofdryingoutthesurroundingsoilcausinganincreaseinthermalresistivitywhichinturnwouldleadtothecabletemperaturerisingtoahighervaluethananticipated.Forcablelaiddirectlyintheground,asuitablede-ratingfactorshouldbeappliedoralowermaximumsustainedconductoroperatingtemperatureshouldbeassumedtotakeintoaccountthepossibleeffectsofsoildryingout.NOTE5Ininstallationswhichincludecablejointsandterminations,theperformanceoftheseaccessoriesshouldbetakenintoaccountindecidingthemaximumoperatingtemperatureofthecable.Thecablesspecifiedinthestandardareallwirearmouredandoversheathedandareasfollows:a)two-,three-,four-andfive-corestrandedcopperconductor;b)multicoreauxiliarystrandedcopperconductor.AnnexAgivesrecommendationsfortheselectionandoperationofcableswhilerecommendationsfortheinstallationofcablesaregiveninAnnexB.AnnexCliststheinformationthatshouldbegivenwithanenquiryororder.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:52P;A4
【正文语种】:英语


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【英文标准名称】:AnchorchaincablesgradeK4-Shotsofchaimcable
【原文标准名称】:K4级锚链钢缆.锚链钢缆的长度
【标准号】:DINV81847-1999
【标准状态】:作废
【国别】:德国
【发布日期】:1999-03
【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】:水路运输工程部件;锚;造船;长度;锚链;材料;链条;尺寸
【英文主题词】:Anchorchains;Anchors;Chains;Dimensions;Length;Materials;Shipbuilding;Watertransportengineeringcomponents
【摘要】:Determinationofshotsofchaincable,acomponentofanchorchaincables,consistingofcommonlinksandonekentertypejoiningshacklewithagivennominallength.
【中国标准分类号】:U21
【国际标准分类号】:47_020_50
【页数】:4P;A4
【正文语种】:德语


【英文标准名称】:Environmentaltesting.Tests.TestZ/AM.Combinedcold/lowairpressuretests
【原文标准名称】:环境试验.试验.试验Z/AM:寒冷、低气压综合试验
【标准号】:BS2011-2.1Z/AM-1977
【标准状态】:作废
【国别】:英国
【发布日期】:1977-08-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:热试验;压力试验;环境试验;电气元件;试样制备;试验条件;冷式法;试验压力;低气温试验;电气设备;大气压
【英文主题词】:
【摘要】:
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:
【正文语种】:英语



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