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BS EN 60335-2-21-2003 家用和类似用途电器.安全性.第2-21部分:贮水式加热器的特殊要求

作者:标准资料网 时间:2024-04-20 20:01:39  浏览:9276   来源:标准资料网
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【英文标准名称】:Householdandsimilarelectricalappliances—Safety—Part2-21:Particularrequirementsforstoragewaterheaters
【原文标准名称】:家用和类似用途电器.安全性.第2-21部分:贮水式加热器的特殊要求
【标准号】:BSEN60335-2-21-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-04-14
【实施或试行日期】:2003-04-14
【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】:定义;家用的;家庭安全;电器;电气设备;电气工程;家用电器;电气安全;设备安全;家用设备;家用;瞬时水加热器;液体;防事故;防电击;额定电压;安全;安全工程;安全要求;规范(验收);蓄水加热器;试验;水;水加热器;水加热
【英文主题词】:Definition;Definitions;Domestic;Domesticsafety;Electricappliances;Electricalappliances;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Equipmentsafety;Householdequipment;Householduse;Instantaneouswaterheaters;Liquids;Protectionagainstaccidents;Protectionagainstelectricshocks;Ratedvoltages;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Storagewaterheaters;Testing;Water;Waterheaters;Waterheating
【摘要】:ThisclauseofPart1isreplacedbythefollowing.ThisInternationalStandarddealswiththesafetyofelectricstoragewaterheatersforhouseholdandsimilarpurposesandintendedforheatingwaterbelowboilingtemperature,theirratedvoltagebeingnotmorethan250Vforsingle-phaseappliancesand480Vforotherappliances.Appliancesnotintendedfornormalhouseholdusebutwhichneverthelessmaybeasourceofdangertothepublic,suchasappliancesintendedtobeusedbylaymeninshops,inlightindustryandonfarms,arewithinthescopeofthisstandard.Asfarasispracticable,thisstandarddealswiththecommonhazardspresentedbyappliancesthatareencounteredbyallpersonsinandaroundthehome.However,ingeneral,itdoesnottakeintoaccount–theuseofappliancesbyyoungchildrenorinfirmpersonswithoutsupervision;–playingwiththeappliancebyyoungchildren.NOTE101Attentionisdrawntothefactthat–forappliancesintendedtobeusedathighaltitudes,additionalrequirementsmaybenecessary;–forappliancesintendedtobeusedinvehiclesoronboardshipsoraircraft,additionalrequirementsmaybenecessary;–inmanycountriesadditionalrequirementsarespecifiedbythenationalhealthauthorities,thenationalauthoritiesresponsiblefortheprotectionoflabourandsimilarauthorities;–inmanycountriesregulationsexistfortheinstallationofequipmentconnectedtothewatermains.NOTE102Thisstandarddoesnotapplyto–appliancesforboilingwater(IEC60335-2-15);–instantaneouswaterheaters(IEC60335-2-35);–commercialdispensingappliancesandvendingmachines(IEC60335-2-75);–appliancesintendedexclusivelyforindustrialpurposes;–appliancesintendedtobeusedinlocationswherespecialconditionsprevail,suchasthepresenceofacorrosiveorexplosiveatmosphere(dust,vapourorgas).
【中国标准分类号】:Y63
【国际标准分类号】:91_140_65;13_120
【页数】:24P.;A4
【正文语种】:英语


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【英文标准名称】:Refrigeratingsystemsandheatpumps-Pressurereliefdevicesandtheirassociatedpiping-Methodsforcalculation;EnglishversionofDINEN13136:2001+A1:2005
【原文标准名称】:制冷系统和热泵.释压装置和相关管道.计算方法
【标准号】:DINEN13136-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:制冷剂;质量流;压力;热源;阀门;制冷装置;压力过载;冷却系统;压力释放;压力阀;热泵;试验;规范(验收);数学计算;安全工程;设备;定型试验;危险防护;事故预防;安全要求;大小测量;设计;制冷
【英文主题词】:Accidentprevention;Coolingsystems;Design;Equipment;Heatpumps;Heatsources;Massflow;Mathematicalcalculations;Pressure;Pressureoverload;Pressurereleases;Pressurevalves;Protectionagainstdanger;Refrigerants;Refrigeratingplant;Refrigeratingplants;Refrigeration;Safetyengineering;Safetyrequirements;Sizemeasurement;Specification(approval);Testing;Typetesting;Valves
【摘要】:1.1ThisEuropeanStandarddescribesthecalculationofmassflowforsizingpressurereliefdevicesforcomponentsofrefrigeratingsystems.NOTETheterm"refrigeratingsystem"usedinthisstandardincludesheatpumps.1.2ThisEuropeanStandarddescribesthecalculationofdischargecapacitiesforpressurereliefvalvesandotherpressurereliefdevicesinrefrigeratingsystemsincludingthenecessarydataforsizingthesewhenrelievingtoatmosphereortocomponentswithinthesystematlowerpressure.1.3ThisEuropeanStandardspecifiestherequirementsforselectionofpressurereliefdevicestopreventexcessivepressureduetointernalandexternalheatsources,thesourcesofincreasingpressure(e.g.compressor,heaters,etc.)andthermalexpansionoftrappedliquid.1.4ThisEuropeanStandarddescribesthecalculationofthepressurelossintheupstreamanddownstreamlineofpressurereliefvalvesandotherpressurereliefdevicesandincludesthenecessarydata.1.5ThisEuropeanStandardreferstootherrelevantstandardsinclause5General.
【中国标准分类号】:J73
【国际标准分类号】:27_080;27_200
【页数】:32P.;A4
【正文语种】:英语



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