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BS EN 303-7-2006 加热锅炉.第7部分:用标称热输出小于等于1000kW的强排风燃炉装备的燃气中央加热锅炉

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【英文标准名称】:Heatingboilers-Part7:Gas-firedcentralheatingboilersequippedwithaforceddraughtburnerofnominalheatoutputnotexceeding1000kW
【原文标准名称】:加热锅炉.第7部分:用标称热输出小于等于1000kW的强排风燃炉装备的燃气中央加热锅炉
【标准号】:BSEN303-7-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【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】:鼓风燃烧器;组装;锅炉结构;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;气体燃料;气体;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;容器;测试;热环境系统;定型测试
【英文主题词】:Air-blastburners;Assembling;Boilerconstruction;Boilers;Centralheating;Centralheatinginstallation;Constructionrequirements;Definition;Definitions;Design;Equipmentsafety;Functionalefficiency;Gasconnections;Gaseousfuels;Gases;Heatingequipment;Heatingtechnics;Inspection;Marking;Materials;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Structuralsystems;Tanks;Testing;Thermalenvironmentsystems;Typetesting
【摘要】:ThisEuropeanStandardspecifiestherequirementsandtestmethodsfortheconstruction,thesafetyandtherationalenergyusageforgas-firedstandardandlowtemperaturecentralheatingboilersequippedwithaforceddraughtburner.Theseboilerscompriseaboilerbodyandaforceddraughtgasburnerbroughttogetherattheproducer'sassemblyfacility,thewholebeingdesignedandmarketedasacompleteboiler.Thisstandarddoesnotapplytothecaseoftheassemblyofaboilerbodyandaforceddraughtgasburnerdesignedandmarketedseparately.Inthiscase,EN303-3applies.ThisEuropeanStandardappliestotypeB23boilerswithanominalheatoutputnotexceeding1000kWwithawatertemperatureatnormaloperationnotexceeding105°Candwithamaximumwater-sideoperatingpressurenotexceeding8bar.ThisEuropeanStandarddoesnotcontainallthenecessaryrequirementsfor:?condensingboilersandcombinationboilers;?boilersintendedtobeinstalledintheopen;?boilerspermanentlyfittedwithmorethanoneflueoutlet;?boilersintendedtobeconnectedtoacommonfluehavingmechanicalextraction;?boilersequippedwithseveralcombustionchambers.ThisEuropeanStandarddoesnotapplytoliving-spacededicatedboilers(see3.6).ThisEuropeanStandardonlycoverstypetesting.
【中国标准分类号】:Q83
【国际标准分类号】:91_140_10
【页数】:66P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforDeterminingtheInSituModulusofDeformationofRockUsingtheDiametricallyLoaded76-mm(3-in.)BoreholeJack
【原文标准名称】:用径向加载76mm(3in)钻孔顶出装置测量岩石变型模量的标准试验方法
【标准号】:ASTMD4971-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:位移;各向异性;应变;变形;压力试验;方位;岩石;试验;载荷试验
【英文主题词】:testing;loadingtests;anisotropy;pressuretesting;orientation;rocks;deformation;displacement;strain
【摘要】:
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:7P;A4
【正文语种】:英语


【英文标准名称】:Plainbearings-Thin-walledhalfbearingswithorwithoutFlange-Tolerances,designfeaturesandmethodsoftest
【原文标准名称】:滑动轴承.带或不带法兰的薄壁轴瓦.公差、设计特点和试验方法
【标准号】:BSISO3548-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-02-15
【实施或试行日期】:2000-02-15
【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】:设计;公差(测量);高度;法兰;配合;直径;长度;试验设备;轴承箱;尺寸公差;滑动轴承;轴承;机械试验
【英文主题词】:Bearingbushes;Bearings;Bundles;Bushings;Checks;Collars;Components;Constructiondetails;Definitions;Design;Dimensionaltolerances;Dimensions;Maindimensions;Measurement;Plainbearings;Testdata;Testing;Thin-walled;Tolerances(measurement)
【摘要】:ThisInternationalStandardspecifiestolerances,designfeaturesandtestmethodsforthin-walledhalfbearingswithintegralflangeuptoanoutsidediameterofDOof250mmandwithoutflangeuptoanoutsidediameterofDOof500mm.Duetothevarietyofdesignitis,however,notpossibletostandardizethedimensionsofthehalfbearings.HalfbearingsaccordingtothisInternationalStandardarepredominantlyusedinreciprocatingmachineryandconsistofasteelbackingandoneormorebearingmetallayersontheinside.Inreciprocatingmachinery,flangedhalfbearingsmaybeusedinconnectionwithhalfbearingswithoutflange.Alternativelytoserveasaflangedhalfbearing,itispossibletouseahalfbearingwithoutflangetogetherwithtwoseparatehalfthrustwashersinaccordancewithISO6526;orahalfbearingwithassembledflanges.NOTEAlldimensionsandtolerancesaregiveninmillimetres.
【中国标准分类号】:J12
【国际标准分类号】:21_100_10
【页数】:24P;A4
【正文语种】:英语