【英文标准名称】:StandardPracticeforMechanicalSymbols,Shipboard8212;Heating,Ventilation,andAirConditioning(HVAC)
【原文标准名称】:加热、通风及空调符号的标准实施规程
【标准号】:ASTMF856-1997(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:F25.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:airconditioning;designsymbols;engineeringsymbols;heating;HVAC;marine;ship;symbols;ventilation;Airconditioningmaterials/applications;Heatingsystems;HVAC(heating/ventilation/airconditioning)systems;Mechanicalsymbols;Symbols;Ven
【摘要】:Whensymbolicrepresentationisrequiredforanitemnotcoveredinthisstandard,thecharacterofthesymbolshallbeadequatelyidentifiedandshallbesubjecttooneinterpretationonly.Ifnecessary,anoteshallbeattachedtothesymbolforfurtherclarity.Symbolicrepresentationdoesnotrequireexactorscalelayoutsoftheactualsystem.Therefore,thesymbolsmaybeusedinallviewsofthesystemlayout.1.1Thispracticecoverssymbolsusedonheating,ventilation,andairconditioning(HVAC)detailedengineeringdrawings.1.2Thesesymbolsmaybeusefuloncontractandpreliminarydesigndrawings.
【中国标准分类号】:P45
【国际标准分类号】:91_140_30
【页数】:7P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 船舶电气设备 第503部分：专辑 电压1kV以上至不大于15kV的交流供电系统 |
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
| 发布日期： | 2013-02-07 |
| 实施日期： | 2013-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2013-07-01 |
适用范围
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前言
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目录
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引用标准
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所属分类： 石油 石油产品 燃料油
【英文标准名称】:Non-electricalequipmentforpotentiallyexplosiveatmospheres-Protectionbycontrolofignitionsource'b'
【原文标准名称】:潜在爆炸性环境中使用的非电气设备.火源控制"b"型防护设备
【标准号】:BSEN13463-6-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-07-28
【实施或试行日期】:2005-07-28
【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】:危险区;预防作用;火源;缺陷与故障;故障探测;保护形式;爆炸危险;爆炸性环境;传感器;作标记;规范(验收);危害;操作说明书;安全工程;事故预防;建筑工程;非电子的;危险;仪器;测头;爆炸;爆炸区;安全措施;安全;大气;火灾;设计;保护措施;工作场所安全;机器;防火安全;防爆;B型电气保护设备;设备的类型;调节器;保护(装置);合格试验;监督(认可);可燃性环境;定义;试验;安全要求;职业安全;评定;用户信息
【英文主题词】:Accidentprevention;Actuator;Atmosphere;Constructions;Defects;Definition;Definitions;Design;Evaluations;Explosionhazard;Explosionprotection;Explosionzone;Explosions;Explosiveatmospheres;Fire;Firesafety;Flammableatmospheres;Hazards;Ignitingsources;Instruments;Machines;Malfunctiondetection;Marking;Non-electrical;Occupationalsafety;Operatinginstructions;Preventiveactions;Protection;Protectivemeasures;Qualificationtests;Risk;Riskarea;Safety;Safetyengineering;Safetymeasures;Safetyrequirements;Sensors;Specification(approval);Surveillance(approval);Testing;Typebprotectedelectricalequipment;Typeofprotection;Typeofunit;Userinformation;Workplacesafety
【摘要】:Thisdocumentspecifiestherequirementsforthedesignandconstructionofequipment,intendedforuseinpotentiallyexplosiveatmospheres,protectedbythetypeofprotection:Controlofignitionsource"b".ThisdocumentsupplementstherequirementsinEN13463-1,thecontentsofwhichalsoapplyinfulltoequipmentconstructedinaccordancewiththisdocument.Equipmentconformingwiththerelevantclausesofthisdocumentmeettherequirementsforthefollowingcategories:—EquipmentGroupⅠCategoryM2-thatdoesnotcontainanignitionsourcearisingfromsevereoperatingconditions,inparticulararisingfromroughhandlingandchangingenvironmentalconditionsinmines;—EquipmentGroupⅡcategory3-thatdoesnotcontainanignitionsourceinnormaloperation;—EquipmentGroupⅡcategory2Gor2D-thatdoesnotcontainanignitionsourcearisingasaresultofforeseeablemalfunctions;—EquipmentGroupⅡcategory1Gor1D-thatdoesnotcontainanignitionsourceinnormaloperation,orunderforeseeablemalfunctions,orunderraremalfunctions.NOTETherequirementsforGroupⅠ,CategoryM1equipment,aregiveninEN50303,whichspecifiestherequirementsforbothelectricalandnon-electricalequipmentThistypeofprotectioncanbeusedtoproducecategory3equipmentwhichotherwisewouldhaveanignitionsourceinnormaloperation,i.e.itisnotabletoconformwithEN13463-1ThetypeofignitionprotectiondescribedinthestandardcanbeusedeitheronitsownorincombinationwithothertypesofignitionprotectiontomeettherequirementsforequipmentofGroupⅠcategoryM2,orGroupⅡcategories1,2and3dependingontheignitionhazardassessmentinEN13463-1.Thisdocumentdoesnotapplyto:—controldeviceswhicharenotintendedtoprovideignitionprotection;—theignitionprotectionofelectricalequipment;—equipmentshutdownsystems,initiatedbyflammablegasdetectors,explosiveatmospheredetectors,carbonmonoxide,fire,orsmokedetectors.NOTEThisisbecausethisdocumentdealsonlywiththedetectionandcontrolofimpendingignitionsourcesinequipment,notthedetectionofexplosiveatmospheressurroundingit.Ignitionprotectionsystemsconformingtotherelevantclausesofthisdocumentarenotintendedtobeautonomousprotectivesystems.
【中国标准分类号】:K35
【国际标准分类号】:13_230
【页数】:24P;A4
【正文语种】:英语