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【英文标准名称】:Heatingboilers-Gas-firedcentralheatingboilers-Assemblycomprisingaboilerbodyandaforceddraughtburner
【原文标准名称】:采暖锅炉.燃气中央供暖锅炉.由强制通风式燃烧器和锅炉体组成的系统
【标准号】:BSEN303-3-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-03-15
【实施或试行日期】:1999-03-15
【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】:鼓风燃烧器;组装;锅炉建筑;锅炉;集中供暖;中央供暖设备;结构要求;定义;设计;设备安全;功能效率;燃气连接;燃气技术;气体燃料;煤气;加热设备;加热技术;检验;作标记;材料;安全;安全工程;安全要求;规范(验收);结构体系;槽;试验;热环境系统;定型试验;船舶
【英文主题词】:Air-blastburners;Assembling;Boilerconstruction;Boilers;Centralheating;Centralheatinginstallation;Constructionrequirements;Definition;Definitions;Design;Equipmentsafety;Functionalefficiency;Gasconnections;Gastechnology;Gaseousfuels;Gases;Heatingequipment;Heatingtechnics;Inspection;Marking;Materials;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Structuralsystems;Tanks;Testing;Thermalenvironmentsystems;Typetesting;Vessels
【摘要】:ThisEuropeanStandardspecifiestherequirementsandtestmethodsfortheconstruction,thesafetyandtherationalenergyusageofanassemblymadeupofaboilerbodycomplyingwithEN303-1andaforceddraughtgasburnercomplyingwithEN676,usingcombustiblegases,hereafterreferredtoasa"boiler".ThisEuropeanStandardappliestoaboiler:—withanominaloutputnotexceeding1000kW.ThisEuropeanStandarddoesnotcontainallthenecessaryrequirementsfor:—assembliesdesignedasunits;—condensingboilersandlowtemperatureboilers;—boilersintendedtobeinstalledintheopen;—boilerspermanentlyfittedwithmorethanoneflueoutlet;—boilersfittedwithadraughtdiverter,—boilersintendedtobeconnectedtoacommonfluehavingmechanicalextraction.ThisEuropeanStandarddoesnotapplytoliving-spacededicatedboilers(see3.6).Iftheboilerbodyhasalreadybeentestedwithaliquidfuelburner,inaccordancewithEN303-1,EN303-2andEN304,onlythetestsdescribedinannexGneedtobeperformed.Inthecaseofarangeofboilers,seeannexF.ThisEuropeanStandarddoesnotcontainallthenecessaryrequirementsforlowtemperatureboilers.Nevertheless,thetestingmethodsdefinedbythisEuropeanStandardforthedeterminationofusefulefficienciescanbeusedforlowtemperatureboilers,afterbeingadaptedinaccordancewithannexH.ThisEuropeanStandardonlycoverstypetesting.note:1)TheconformitywiththestandardEN303-1canbeobtainedjointlybytheEN303-1specifictestsandtheEN303-2orEN303-3tests.IftheboilerbodyhasalreadybeentestedforconformitywithEN303-2,seeannexG.
【中国标准分类号】:J98
【国际标准分类号】:91_140_10
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:Low-voltageswitchgearandcontrolgearforindustrialuse.Terminalmarkinganddistinctivenumberforauxiliarycontactsofparticularcontactors.
【原文标准名称】:工业用低压开关设备和控制装置.特殊接触器辅助触点用接线端子标记和特别数值
【标准号】:NFC63-032-1978
【标准状态】:作废
【国别】:法国
【发布日期】:1978-06-01
【实施或试行日期】:1978-06-01
【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】:电气工程;开关设备;开关设备;低压电器;低电压;特性;工业;电气外壳;接触器;作标记;终端标志
【英文主题词】:Characteristics;Contactors;Electricenclosures;Electricalengineering;Industries;Lowvoltage;Low-voltageequipment;Marking;Switchgear;Switchgears;Terminalmarkings
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:3P;A4
【正文语种】:其他