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BS EN 778-1998 不用风扇传输燃气和/或燃烧产物的空间净加热输入功率不超过70kW的家用燃气强制对流空气加热器

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【英文标准名称】:Domesticgas-firedforcedconvectionairheatersforspaceheatingnotexceedinganetheatinputof70kW,withoutafantoassisttransportationofcombustionairand/orcombustionproducts
【原文标准名称】:不用风扇传输燃气和/或燃烧产物的空间净加热输入功率不超过70kW的家用燃气强制对流空气加热器
【标准号】:BSEN778-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-07-15
【实施或试行日期】:1998-07-15
【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】:使用说明;控制装置;燃气动力装置;设备安全;试样;电气元件;点火系统(热力工程);性能试验;加热设备;化学成分;燃烧器;温度;家用的;数学计算;燃烧产物;加热器;工作范围;试验设备;试验条件;燃气对流供暖;组装;自动控制系统;作标记;分类系统;控制样品;安全装置;变换;对流式加热器;手控系统;空气加热器;气体;防火安全;漏泄试验;效率;通路;稳定性;设计
【英文主题词】:Access;Accessibility;Aeration;Airdistribution;Buildingservices;Burners;Burningbehaviours;Burningsafety;Categories;Classification;Combustionair;Commissioning;Constructionrequirements;Constructions;Controlequipment;Controllers;Convection;Convectionheaters;Definitions;Design;Deviations;Domestic;Efficiency;Exhaustgases;Fans;Firingcircuits;Flamecontroldevices;Flamemonitoring;Flames;Flueemissions;Gasappliances;Gasburners;Gasburning;Gasconnections;Gasfamilies;Gasfiringsystem;Gasflow;Gasheaters;Gasvalves;Gases;Gas-powereddevices;Heat;Heatload;Heaters;Heating;Heatingconvectors;Heatingequipment;Householduse;Ignition;Ignitiondevices;Instructions;Instructionsforuse;Maintenance;Maintenanceinstructions;Marking;Measurementconditions;Multipleadjustingdevices;Nominalthermalload;Operationalsafety;Pollutants;Preset;Pressure;Pressureregulators;Propane;Protectiondevices;Qualificationtests;Rooms;Safety;Safetyengineering;Space-heatingsystems;Specification(approval);Surveillance(approval);Testgases;Testpressure;Testing;Thermaldesignofbuildings;Thermalenvironmentsystems;Tightness;Transport;Types;Valves;Warmairheaters;Warm-airheating;Wobbeindex
【摘要】:Thisstandardspecifiestherequirementsandtestmethodsforthesafetyandefficiencyofdomesticgas-firedairheaterswith(an)atmosphericburner(s)andwithoutafantoassistthetransportationofcombustionairand/orfluegases,hereafterreferredtoas"appliances".ThisstandardappliestotypeB11,B11AS,B11BS,C11,C21,C31andC41applianceswithaninputnotexceeding70kW(netcv-basis),intendedprimarilyforuseinsingleunitresidentialdwellings.Provisionoftheheatedairmaybebymeansofducting.Thisstandarddoesnotapplyto:—appliancesofthecondensingtype;—appliancesforoutdoorinstallation;—dualpurposeairconditioningappliances(heatingandcooling);—applianceswheretheairisheatedbyanintermediatefluid;—applianceswithforceddraughtburners;—appliancesfittedwithamanualorautomaticmeansofadjustingthecombustionairsupplyorthecombustionproductsevacuation(includingfluedampers);—portableortransportableforcedconvectionappliances;—applianceshavingmultipleheatingunitswithasingledraughtdiverter;—appliancesfittedwithmorethanoneflueoutlet;—C21andC41appliancesfor3rdfamilygases.NOTEForC41appliances:seeallrequirementsandtestmethodsthatarevalidforC21appliances,unlessotherwisestated.ThisEuropeanStandardcoverstype-testingonly.
【中国标准分类号】:P48
【国际标准分类号】:97_100_20
【页数】:100P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforHardenedSteelWashers
【原文标准名称】:硬化钢垫圈的标准规范
【标准号】:ASTMF436-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F16.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:紧固件;硬化的;规范(验收);钢;垫圈
【英文主题词】:carbonsteel;steel;washers;weatheringsteel;Fasteners(metal)specifications;Hardenedsteelwashers;Steelwashers;Washers/washerassembliesspecifications
【摘要】:1.1Thisspecificationcoversthechemical,mechanical,anddimensionalrequirementsforhardenedsteelwashersforusewithfastenershavingnominalthreaddiametersofx00BC;through4in.Thesewashersareintendedforgeneral-purposemechanicalandstructuralusewithbolts,nuts,studs,andotherinternallyandexternallythreadedfasteners.ThesewashersaresuitableforusewithfastenerscoveredinSpecificationsA325,A354,A449,andA490.1.2Thewashersaredesignatedbytypedenotingthematerialandbystyledenotingtheshape.1.2.1Thetypesofwasherscoveredare:1.2.1.1Type18212;Carbonsteel.1.2.1.2Type38212;Weatheringsteel.AtmosphericcorrosionresistanceandweatheringcharacteristicsarecomparabletothatofsteelscoveredinSpecificationsA588/A588MandA709/A709M.Theatmosphericcorrosionresistanceofthesesteelsissubstantiallybetterthanthatofcarbonsteelwithorwithoutcopperaddition.See5.1.Whenproperlyexposedtotheatmosphere,thesesteelscanbeusedbare(uncoated)formanyapplications.1.2.2Thestylesofwasherscoveredare:1.2.2.1Circular8212;Circularwashersinnominalboltsizesx00BC;through4in.suitableforapplicationswheresufficientspaceexistsandangularitypermits.1.2.2.2Beveled8212;Beveledwashersaresquareorrectangular,innominalsizesx00BD;through1x00BD;in.,withabeveled1to6ratiosurfaceforusewithAmericanstandardbeamsandchannels.1.2.2.3Clipped8212;Clippedwashersarecircularorbeveledforusewherespacelimitationsnecessitatethatonesidebeclipped.Note18212;AcompletemetriccompaniontoSpecificationF436hasbeendevelopedx2014;SpecificationF436M;thereforenometricequivalentsarepresentedinthisspecification.1.2.2.4ExtraThick8212;Extrathickwashersarecircularwashersinnominalsizesx00BD;through1x00BD;in.,withanominalthicknessof5/16in.suitableforstructuralapplicationswithoversizedholes.1.3TermsusedinthisspecificationaredefinedinTerminologyF1789unlessotherwisedefinedherein.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodsforChemicalAnalysisofToolSteelsandOtherSimilarMedium-andHigh-AlloySteels
【原文标准名称】:工具钢及其它类似中合金钢和高合金钢化学分析的标准试验方法
【标准号】:ASTME352-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:试验;金属;合金;分析;化学分析和试验;工具钢;钢
【英文主题词】:Alloys;Analysis;Chemicalanalysisandtesting;Metals;Steels;Testing;Toolsteels
【摘要】:
【中国标准分类号】:H11
【国际标准分类号】:77_040_30
【页数】:30P;A4
【正文语种】:英语