您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS 1916-2-2009 工程的公差与配合.BS1916-1中配合选择的指南

作者:标准资料网 时间:2024-05-02 16:00:17  浏览:9956   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:LimitsandfitsforengineeringPart2:GuidetotheselectionoffitsinBS1916-1
【原文标准名称】:工程的公差与配合.BS1916-1中配合选择的指南
【标准号】:BS1916-2-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-09-30
【实施或试行日期】:2009-09-30
【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】:
【英文主题词】:Designations;Diameter;Dimensionaltolerances;Dimensions;Fits;Grades(quality);Holes;Imperialsystem;Machiningtolerances;Selection;Shafts(rotating);Size;Tolerancesofposition
【摘要】:ThisBritishStandardgivesguidanceontheselectionoffitsgiveninBS1916-1.Therecommendationsapply,inparticular,tofitsbetweencylindricalparts,designatedas“holes”and“shafts”,inwhichcasetheterm“size”referstothediameterofthematingparts.Therecommendationsarealsoapplicabletopartsotherthancylindrical,inwhichcasetheterm“size”referstoalength,widthorotherdimension.Tablesofpreferredsizesareincludedtoavoidtheindiscriminateselectionofdimensions,andtheiruseisstronglyrecommended.
【中国标准分类号】:J04
【国际标准分类号】:17_040_10
【页数】:46P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforHighFire-PointMineralElectricalInsulatingOils
【原文标准名称】:石油起源高燃点电绝缘油的标准规范
【标准号】:ASTMD5222-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D27.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:electricalinsulatingoil;firepoint;flammability;insulatingfluid;mineralinsulatingoil;Coolingmedia;Dielectricfluids;Electricalinsulatingoils--specifications;Fire-point;Flammability;Highfire-pointelectricalinsulatingoils;Insulati
【摘要】:1.1Thisspecificationdescribesahighfire-pointmineraloilbasedinsulatingfluid,foruseasadielectricandcoolingmediuminnewandexistingpoweranddistributionelectricalapparatus,suchastransformersandswitchgear.1.2Highfire-pointinsulatingoildiffersfromconventionalmineralinsulatingoilbypossessingafire-pointofatleast300x00B0;C.Highfire-pointmineralinsulatingoilsarealsoreferredtoasx201C;lessflammablex201D;mineralinsulatingoils.ThispropertyisnecessaryinordertocomplywithcertainapplicationrequirementsoftheNationalElectricalCode(Article450-23)orotheragencies.Thematerialdiscussedinthisspecificationismisciblewithotherpetroleumbasedinsulatingoils.Mixinghighfire-pointliquidswithlowerfirepointhydrocarboninsulatingoils(forexample,SpecificationD3487mineraloil)mayresultinfirepointsoflessthan300x00B0;C.1.3Thisspecificationisintendedtodefineahighfire-pointelectricalmineralinsulatingoilthatiscompatiblewithtypicalmaterialofconstructionofexistingapparatusandwillsatisfactorilymaintainitsfunctionalcharacteristicinitsapplicationinthisapplication.Thematerialdescribedinthisspecificationmaynotbemisciblewithelectricalinsulatingliquidsofnon-petroleumorigin.Theusershouldcontactthemanufacturerofthehighfire-pointinsulatingoilforguidanceinthisrespect.1.4Thisspecificationappliesonlytonewinsulatingmaterialoilasreceivedpriortoanyprocessing.Informationonin-servicemaintenancetestingisavailableinappropriateguides.Theusershouldcontactthemanufacturersoftheequipmentoroilifquestionsofrecommendedcharacteristicsormaintenanceproceduresarise.
【中国标准分类号】:E38
【国际标准分类号】:29_040_10
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Multi-burnergas-firedoverheadradianttubeheatersystemsfornondomesticusePart1:SystemD—Safety
【原文标准名称】:非家用多燃烧器的燃气高架辐射管加热器系统.第1部分:系统D.安全性
【标准号】:BSEN777-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:自动;燃烧器;CE标记;合格证书;分类;商业的;结构要求;校正装置;定义;设计;效应;电气设备;排放;设备安全性;风扇;废气出口;气体加热器;燃气技术;燃气动力装置;加热器;工业的;工业;红外灯;检验;安装说明书;说明书;使用说明书;作标记;操作说明;操作说明书;架空辐射管加热器;辐射加热器;安全性;安全性工程;安全性要求;规范(验收);试验方法;试验;贸易;使用;工作质量
【英文主题词】:Automatic;Burners;CEmarking;Certificates;Classification;Commercial;Constructionrequirements;Correctingunits;Definitions;Design;Effects;Electricalequipment;Emission;Equipmentsafety;Fans;Fluegasoutlets;Gasheaters;Gastechnology;Gas-powereddevices;Heaters;Industrial;Industries;Infraredlamps;Inspection;Installationinstructions;Instructions;Instructionsforuse;Marking;Operatinginstructions;Operationalinstructions;Overheadradianttubeheaters;Radiantheaters;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Testmethods;Testing;Trade;Use;Workmanship
【摘要】:ThisEuropeanStandardspecifiestherequirementsandtestmethodsfortheconstruction,safety,classificationandmarkingofnon-domesticgas-firedoverheadradianttubeheatersincorporatedintoamulti-burnersystem(calledsystemDandreferredtointhebodyofthetextasthe“system”)witheachburnerunitunderthecontrolofanautomaticburnercontrolsystem.ThisstandardisapplicabletoTypeB52systems(see4.3)intendedforuseinotherthandomesticdwellings,inwhichthesupplyofcombustionairand/ortheevacuationoftheproductsofcombustionisachievedbymechanicalmeans.Thisstandardisnotapplicableto:a)systemsdesignedforuseindomesticdwelling;b)outdoorsystems;c)systemsofheatinputinexcessof120kW(basedonthenetcalorificvalueoftheappropriatereferencetestgas);d)systemshavingadraughtdiverter;e)systemshavingfullypre-mixedgasandairburnersinwhich:1)eitherthegasandallthecombustionairarebroughttogetherjustbeforethelevelofthecombustionzone;or2)thepre-mixingofthegasandallcombustionairiscarriedoutinapartoftheburnerupstreamofthecombustionzone;f)systemsthataredesignedforcontinuouscondensationwithinthefluesystemundernormaloperatingconditions;g)systemshavingcombustionproductsevacuationductsthatarenon-metallic.Thisstandardisapplicabletosystemswhichareintendedtobetypetested.Italsoincludesrequirementsconcerningtheevaluationofconformity,includingfactoryproductioncontrol,buttheserequirementsonlyapplytoPOCEDsandtheirassociatedterminals.NOTERequirementsforsystemswhicharenotintendedtobetypetestedwouldneedtobesubjecttofurtherconsideration.RequirementsconcerningtherationaluseofenergyhavenotbeenincludedinthisEuropeanStandard.
【中国标准分类号】:Q83
【国际标准分类号】:91_140_40
【页数】:112P.;A4
【正文语种】:英语