热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

BS EN 60079-29-2-2007 爆炸性气体环境.第29-2部分:气体探测器.易燃气体和氧用探测器的选择、安装、使用和维护

作者:标准资料网 时间:2024-05-18 03:59:06  浏览:8296   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Explosiveatmospheres-Part29-2:Gasdetectors-Selection,installation,useandmaintenanceofdetectorsforflammablegasesandoxygen
【原文标准名称】:爆炸性气体环境.第29-2部分:气体探测器.易燃气体和氧用探测器的选择、安装、使用和维护
【标准号】:BSEN60079-29-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【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】:分析仪;燃烧气体;浓缩;团料;定义;检测;检波器(回路);电器;电气设备;电气工程;电驱动装置;防爆;爆炸安全;爆炸性环境;防火安全;可燃性环境;易燃材料;气体浓度;气体检测器;气体测量仪器;混合气体;气敏元件;指导手册;工业;装置;维修;测量;测量仪器;操作;氧;缺氧;参数;便携的;潜在爆炸物;特性;安全工程;安全要求;选择;传感器;规范(验收);火焰表面传播;试验设备;测试;贸易;蒸气压力;蒸气
【英文主题词】:Analyzers;Burninggases;Concentration;Conglomerates;Definition;Definitions;Detection;Detectors(circuits);Electricappliances;Electricalappliances;Electricalengineering;Electrically-operateddevices;Explosionprotection;Explosionsecurity;Explosiveatmospheres;Firesafety;Flammableatmospheres;Flammablematerials;Gasconcentrations;Gasdetectors;Gasmeasuringinstruments;Gasmixtures;Gassensors;Guidebooks;Industries;Installations;Maintenance;Measurement;Measuringinstruments;Operation;Oxygen;Oxygendeficiency;Parameters;Portable;Potentiallyexplosivematerials;Properties;Safetyengineering;Safetyrequirements;Selection;Sensors;Specification(approval);Surfacespreadofflame;Testequipment;Testing;Trade;Vapourpressure;Vapours
【摘要】:ThispartofIEC60079-29givesguidanceon,andrecommendedpracticefor,theselection,installation,safeuseandmaintenanceofelectricallyoperatedgroupIIapparatusintendedforuseinindustrialandcommercialsafetyapplicationsforthedetectionandmeasurementofflammablegasescomplyingwiththerequirementsofIEC60079-29-1.Thisstandardisapplicableforoxygenmeasurementforthepurposeofinertisationwhereexplosionprotectionisprovidedbytheexclusionofoxygeninsteadofmeasuringthecombustiblegasesorvapourspresent.Thisstandardisacompilationofpracticalknowledgetoassisttheuser,andappliestoapparatus,instrumentsandsystemsthatindicatethepresenceofaflammableorpotentiallyexplosivemixtureofgasorvapourwithairbyusinganelectricalsignalfromagassensortoproduceameterreading,toactivateavisualoraudiblepre-setalarmorotherdevice,oranycombinationofthese.Suchapparatusmaybeusedasameansofreducingtheriskwheneverthereisthepossibilityofarisktolifeorpropertyspecificallyduetotheaccumulationofacombustiblegas-airmixture,byprovidingsuchwarnings.Itmayalsobeusedtoinitiatespecificsafetyprecautions(e.g.plantshutdown,evacuation,fireextinguishingprocedures).Thisstandardisapplicabletoallnewpermanentinstallationsand,wherereasonablypracticable,toexistingpermanentinstallations.Itisalsoapplicabletotemporaryinstallations,whetherneworexisting.Similarlyitisapplicabletothesafeuseofportableortransportableapparatus,irrespectiveoftheageorcomplexityofsuchapparatus.Sincemuchmodernapparatusofthistypealsoincludesoxygendeficiencydetectionand/orspecifictoxicgassensors,someadditionalguidanceisgivenforthesetopics.NOTEWheninclassifiedareas,theapparatusshouldbesoinstalledandusedthatitisnotcapableofitselfignitingacombustiblegas-airmixture.ItshouldthereforecomplywiththerequirementsofIEC60079-10.Forthepurposesofthisstandard,exceptwherespecificallystatedotherwise,flammablegasesshallincludeflammablevapours.ThisstandardappliesonlytogroupIIapparatus(i.e.apparatusintendedforuseinindustrialandcommercialsafetyapplications,involvingareasclassifiedinaccordancewithIEC60079-10).Forthepurposesofthisstandard,apparatusincludesa)fixedapparatus;b)transportableapparatus;andc)portableapparatus.Thisstandardisnotintendedtocover,butmayprovideusefulinformation,forthefollowing:a)apparatusintendedonlyforthedetectionofnon-flammabletoxicgases;b)apparatusoflaboratoryorscientifictypeintendedonlyforanalysisormeasurementpurposes;c)apparatusintendedforundergroundminingapplications(groupIapparatus);d)apparatusintendedonlyforprocesscontrolapplications;e)apparatusintendedforapplicationsinexplosivesprocessingandmanufacture;f)apparatusintendedforthedetectionofapotentiallyflammableatmosphereresultingfromdustormistinair;g)openpathapparatusnotusedforpointmeasurement.
【中国标准分类号】:C81
【国际标准分类号】:13_320;29_260_20
【页数】:106P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Specificationfor4/1nickel-chromiumsteeltube(1300N/mm2)
【原文标准名称】:4/1镍-铬钢管材规范(1300N/mm)
【标准号】:BS5T2-1972
【标准状态】:作废
【国别】:英国
【发布日期】:1972-10-27
【实施或试行日期】:1972-10-27
【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】:材料的机械性能;低合金钢;铬钢;管;航空运输工程;镍钢;钢;化学成分;硬度;热处理
【英文主题词】:Airtransportengineering;Chemicalcomposition;Chromiumsteels;Hardness;Heattreatment;Low-alloysteels;Mechanicalpropertiesofmaterials;Nickelsteels;Pipes;Steels
【摘要】:BRITISHSTANDARD:AEROSPACESERIESSPECIFICATIONFOR4/1NICKEL-CHROMIUMSTEELTUBE(1300N/mm(up2))1.INSPECTIONANDTESTINGPROCEDURE2.PROCESSOFMANUFACTURE3.CHEMICALCOMPOSITION4.SURFACEDRESSING5.CONDITION6.HEATTREATMENT7.DECARBURIZATION8.MECHANICALPROPERTIES
【中国标准分类号】:V11
【国际标准分类号】:49_035
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Conceptsofpackagingmachinery;systematicalsurvey,classificationandindex
【原文标准名称】:包装机械的概念.系统概览.类别和主题索引
【标准号】:DIN8740T.1-1981
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1