NF Z84-385-1998 无线电设备和系统(RES).带有2MBIT/S及以上附近的数据比率数字固定无线电链接和辅助设备电磁兼容性(EMC)标准

上一篇: NF Z82-046-3-1998 综合服务数字网络(ISDN).一次群速率接入.安全性和防护.第3部分:IA界面.安全性
下一篇: NF Z82-047-3-1998 综合服务数字网络(ISDN).基本通道.安全性和防护.第3部分:IA界面.防护

【英文标准名称】:Electricductheaters
【原文标准名称】:电管道加热器
【标准号】:UL1996-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004-11-12
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:加热器;空调系统;继电器;通风管道系统;遥控系统;控制装置;通气道;空气加热系统
【英文主题词】:Airductingsystems;Airducts;Airheatingsystems;Air-conditioningsystems;Controldevices;Heaters;Relays;Remotecontrolsystems
【摘要】:Theserequirementscoverfixedelectricductheaters,andremotecontrolassembliesforsuchequipment,ratedat600voltsorlesstobeemployedinordinarylocationsinaccordancewiththeNationalElectricalCode,ANSI/NFPA70.Theserequirementsdonotcoverfan-coilunits,centralheatingfurnaces,panelorcabletyperadiantheatingequipment,electricboilers,baseboardheaters,airheaters,noranyotherelectricheatingequipmentorapplianceswhicharecoveredinorasapartofseparate,individualrequirements.Ductheatersintendedforuseinahazardouslocationarejudgedonthebasisofitscompliancewiththerequirementsinthisstandard,togetherwiththerequirementsforhazardouslocationequipmentincludedinotherapplicablestandards.Ductheatersdesignedtobeconnectedtoair-ductsystemsareintendedforinstallationinaccordancewiththeStandardfortheInstallationofAirConditioningandVentilatingSystems,NFPA90A,andtheStandardfortheInstallationofWarmAirHeatingandAirConditioningSystems,NFPA90B.Theserequirementsapplytorelaysandotherauxiliarycontroldevicesthatmaybeprovidedaspartofaductheatertomakeitusablewithotherheatingorcoolingequipment,andareintendedtotakeintoaccounttheeffectsofoperatingtheductheaterinconjunctionwithorinproximitytosuchequipment.Aductheaterisaself-containedheaterdesignedtobeinstalledinthefieldintheairstreamofaductedsystem,externaltotheair-movingunit.Itisdesignedtobeinstalledinaductwhereanadequateflowofairfromaseparate,interlockedfanorblowersystemisprovided.Suchaheatermaybelocatedinthemainsupplyductofanairheatingsystem,orinoneofthebranchducts.Twoormoreductheatersmaybeinstalledinagroup(inproximitytooneanotherintheduct)iftestsindicateacceptableresultswhentheheatersareinstalledinaccordancewiththemanufacturer'sinstructions.Aductheaterintendedtobeemployedinconjunctionwithanothersourceofheatisjudgedonthebasisofitscompliancewiththerequirementsinthisstandard,andfurtherexaminationandteststodeterminewhetherornotthecombinationisacceptable.
【中国标准分类号】:K61
【国际标准分类号】:91_140_30
【页数】:
【正文语种】:英语


【英文标准名称】:Pressureequipmentforrefrigeratingsystemsandheatpumps-Part2:piping-Generalrequirements.
【原文标准名称】:制冷系统和热泵用压力设备.第2部分:管道.一般要求
【标准号】:NFE35-414-2-2007
【标准状态】:作废
【国别】:法国
【发布日期】:2007-08-01
【实施或试行日期】:2007-08-18
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;设计;文献;热交换器;热泵;检验;作标记;材料;材料规范;管道;压力装置;压力容器;生产;制冷剂;制冷装置;制冷;安全;安全要求;规范(验收);固定的;应力;测试;热的;容器
【英文主题词】:Definition;Definitions;Design;Documentations;Heatexchangers;Heatpumps;Inspection;Marking;Materials;Materialsspecification;Pipelines;Pressureequipment;Pressurevessels;Production;Refrigerants;Refrigeratingplant;Refrigeratingplants;Refrigeration;Safety;Safetyrequirements;Specification(approval);Stationary;Stress;Testing;Thermal;Vessels
【摘要】:
【中国标准分类号】:J73
【国际标准分类号】:23_020_30;27_080;27_200
【页数】:32P.;A4
【正文语种】:其他