【英文标准名称】:Methodologyforfunctionalsafetyassessmentofprotectivesystemsforpotentiallyexplosiveatmospheres
【原文标准名称】:潜在易爆环境用保护系统的功能安全性评估用方法学
【标准号】:BSEN15233-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-10-31
【实施或试行日期】:2007-10-31
【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】:事故预防;环境;定义;设备;评估;爆炸危险;防爆;爆炸区;爆炸;爆炸物;爆炸性环境;失败分析;火灾;防火安全;可燃性环境;功能效率;危害;仪器;机器;职业安全;预防作用;保护(装置);保护系统;保护措施;可靠度;危险;危险区域;安全;安全工程;安全要求;规范(验收);保护形式;用户信息;工作场所安全
【英文主题词】:Accidentprevention;Atmosphere;Definitions;Equipment;Evaluations;Explosionhazard;Explosionprotection;Explosionzone;Explosion-proof;Explosions;Explosive;Explosiveatmospheres;Failureanalysis;Fire;Firesafety;Flammableatmospheres;Functionalefficiency;Hazards;Instruments;Machines;Occupationalsafety;Preventiveactions;Protection;Protectionsystems;Protectivemeasures;Reliability;Risk;Riskarea;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Typeofprotection;Userinformation;Workplacesafety
【摘要】:ThisEuropeanStandardprovidesguidanceontheprocedureandinformationrequiredtoallowfunctionalsafetyassessmenttobecarriedoutforthedesignofprotectivesystems.ThepurposeofthisEuropeanStandardistoassisttechnicalstandardizationcommitteesresponsibleforspecificfamiliesofprotectivesystemsinpreparingsafetystandards.Suchstandardsshouldbeashomogenousaspossibleandshouldhavethebasicstructureoffunctionalsafetyassessmentasitisstatedinthisstandard.Iftherearenospecificstandardsforaparticularprotectivesystem,themanufacturershouldusethisstandardforfunctionalsafetyassessmentofthisprotectivesystem.Inthisprocedurethefollowinginformationistobetakenintoaccounttoensureasufficientleveloffunctionalsafety:a)intendeduse,b)possibleoperatingfaults,c)reliabilityofprotectivesystems,d)misusewhichcanreasonablybeanticipated.Asufficientleveloffunctionalsafetyischaracterizedbythefollowingobjectives:1)Systemcanstopanexplosionataveryearlystageorreducetheimpactofanexplosiontoanacceptablelevel.2)Intheeventoffaults,failuresand/orinterference1)thecapacitytofunctionremainseffectivebyusee.g.offailsafetechniquesorredundancy.ThisEuropeanStandarddoesnotcoveridentificationofpossibleignitionsources.NOTE1TheidentificationofpossibleignitionsourcesiscoveredbyEN15198.ThisEuropeanStandardonlydealswiththefunctionalbehaviouroftheprotectivesystemi.e.hazardscausedbymalfunctions,e.g.falseactivationsareexcluded.ThisEuropeanStandardspecifiesneitherspecificmethodstoanalysefaultconditions,norspecificrequirementsforagiventypeofprotectivesystem(seeEN1127-1).Itspecifiesthemethodologyoffunctionalsafetyassessment.ThisEuropeanStandardprovidesadvicefordecisionstobemadeforalltypesofprotectivesystemsreferredtoinEUDirective94/9/EC,butdoesnotprovidemeanstoprovetheconformityofagiventypeofprotectivesystems.NOTE2EquipmentisdealtwithinEN15198owingtothefactthattheprocedureandinformationrequiredtoallowignitionhazardassessmentisdifferentfromtheprocedureabove.
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:28P.;A4
【正文语种】:英语