【英文标准名称】:ULStandardforSafetyElectricalEquipmentforUseinClassIandII,Division2,andClassIIIHazardous(Classified)LocationsThirdEdition;ReprintedWithRevisionsThroughandIncluding2/3/2004
【原文标准名称】:2类1级、2级和3级危险场所用电气设备
【标准号】:UL1604-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-04-28
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;危险区域;危害等级;电气器具;电气设备;危险场所分类(电气设备用)
【英文主题词】:safetyrequirements;electricalequipment;electricappliances;hazardousareasclassification(forelectricalequipment);dangerzones;hazardclasses
【摘要】:1.1Theserequirementsapplytoequipment,circuits,orcomponentsintendedforuseinClassI,GroupsA,B,C,andD,Division2,hazardous(classified)locations;ClassII,GroupsFandG,Division2,hazardous(classified)locations;andClassIII,Divisions1and2,hazardous(classified)locationsasdefinedinArticle500oftheNationalElectricalCode,NFPA70.1.2TheequipmentshallbecapableofbeinginstalledinaccordancewiththerequirementsintheNationalElectricalCode,NFPA70.Battery-poweredportableequipmentneednotcomplywiththisrequirement1.3TherequirementscoverClassI,Division2electricalequipment,orpartsofsuchequipment,inwhichthecircuitsandcomponentsunderintendedoperatingconditionsareincapableofcausingignitionofthespecifiedflammablegas-orvapor-airmixture.1.4TheserequirementscoverClassII,Division2,andClassIII,Division1andDivision2equipmentthatisconstructedtoreduceorexcludetheentranceofdust.1.5Theserequirementsapplyonlytoequipmentforuseunderthefollowingatmosphericconditions.a)Anambienttemperatureof5to40℃(41to104℉),b)Anoxygenconcentrationnotgreaterthan21percent,andc)Anominalbarometricpressureofoneatmosphere.1.6Theserequirementscoverportablebattery-poweredequipment,otherthanflashlightsandlanterns,forClassIandClassII,Division2,andClassIII,Divisions1and2hazardous(classified)locations.1.6.1Theserequirementsalsocoverequipment,circuits,orcomponentsintendedforinstallationanduseinClassI,Zone2,GroupsIIA,IIB,andIIChazardous(classified)locations.1.7TheserequirementsdonotcoverelectriclightingfixturesforuseinDivision2hazardous(classified)locationswhicharecoveredintheStandardforElectricLightingFixturesforUseinHazardous(Classified)Locations,UL844.1.8Theserequirementsdonotcoverelectricmotors,electricheaters,heattracingcablesandsimilarheat-producingdevices,orequipmentwithcathoderaytubes,foruseinDivision2locations.Suchproductsarecoveredunderseparaterequirements.1.9Theserequirementsdonotcoverexplosion-proof,dust-ignition-proof,orintrinsically-safemethodsofprotectionforelectricalequipmentorpartsthereof.SuchmethodsofprotectionareconsideredacceptableforDivision2hazardouslocations.Therequirementsarecoveredinotherstandards.1.10Aproductthatcontainsfeatures,characteristics,components,materials,orsystemsnewordifferentfromthosecoveredbytherequirementsinthisstandard,andthatinvolvesariskoffireorofelectricshockorinjurytopersonsshallbeevaluatedusingappropriateadditionalcomponentandend-productrequirementstomaintainthelevelofsafetyasoriginallyanticipatedbytheintentofthisstandard.Aproductwhosefeatures,characteristics,components,materials,orsystemsconflictwithspecificrequirementsorprovisionsofthisstandarddoesnotcomplywiththisstandard.Revisionofrequirementsshallbeproposedandadoptedinconformancewiththemethodsemployedfordevelopment,revision,andimplementationofthisstandard.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:26P.;A4
【正文语种】:英语


【英文标准名称】:Fittingsforbuttweldingintocopper-nickel-alloypipelines-Tees
【原文标准名称】:与铜镍合金管路对接焊的配件.三通
【标准号】:DIN86088-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:连接件;铜合金;设计;名称与符号;尺寸公差;尺寸;配件;船用管道系统;作标记;材料;造船工程;镍合金;管连接件;管道配件;三通管;管道;造船;规范(验收);T型连接件;公差(测量);焊接上;焊接接头;焊接配件;焊接管套
【英文主题词】:Connectionpieces;Copperalloys;Design;Designations;Dimensionaltolerances;Dimensions;Fittings;Marinepipeworksystems;Marking;Materials;Navalengineering;Nickelalloys;Pipecouplings;Pipefittings;Pipetees;Pipelines;Shipbuilding;Specification(approval);T-connections;T-joints;Tolerances(measurement);Weldin;Weldedjoints;Weldingfittings;Weldingsockets
【摘要】:
【中国标准分类号】:U50
【国际标准分类号】:23_040_40
【页数】:11P.;A4
【正文语种】:德语