BS EN 15089-2009 爆炸阻绝系统

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【英文标准名称】:Explosionisolationsystems
【原文标准名称】:爆炸阻绝系统
【标准号】:BSEN15089-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:控制仪器;退耦;定义;检测;检测设备;检波器(回路);效率;擦除预防;爆炸阻绝系统;防爆;抗爆;爆炸;爆炸性环境;火焰传播;可燃性环境;混合气体;装置;绝缘;维护;安装;保护设备;安全性工程;分离;规范(验收);系统;试验
【英文主题词】:Controlinstruments;Decoupling;Definitions;Detection;Detectiondevices;Detectors(circuits);Efficiency;Eraseprevention;Explosionisolationsystems;Explosionprotection;Explosionresistance;Explosions;Explosiveatmospheres;Flamepropagation;Flammableatmospheres;Gasmixtures;Installations;Insulations;Maintenance;Mounting;Protectiondevices;Safetyengineering;Separation;Specification(approval);Systems;Testing
【摘要】:ThisEuropeanStandarddescribesthegeneralrequirementsforexplosionisolationsystems.Anexplosionisolationsystemisaprotectivesystem,whichpreventsanexplosionpressurewaveandaflameoronlyaflamefrompropagatingviaconnectingpipesorductsintootherpartsofapparatusorplantareas.ThisEuropeanStandardspecifiesmethodsforevaluatingtheefficacyofthevariousexplosionisolationsystems,andmethodsforevaluatingdesigntoolsforsuchexplosionisolationsystemswhenapplyingtheseinpractice.ThisEuropeanStandardalsosetsoutthecriteriaforalternativetestmethodsandinterpretationmeanstovalidatetheefficacyofexplosionisolations.Itcoverse.g.:a)generalrequirementsfortheexplosionisolationcomponents;b)evaluatingtheeffectivenessofanexplosionisolationsystem;c)evaluatingdesigntoolsforexplosionisolationsystems.ThisEuropeanStandardisapplicableonlytotheuseofexplosionisolationsystemsthatareintendedforavoidingexplosionpropagationbetweeninterconnectedenclosures,inwhichanexplosionmayresultasaconsequenceofignitionofanexplosivemixturese.g.,dust-airmixtures,gas-(vapour-)airmixtures,dust-,gas-(vapour-)airmixturesandmists.Ingeneralexplosionisolationsystemsarenotdesignedtopreventthetransmissionoffireorburningpowdereitherofwhichcaninitiateanexplosionindownstreamplantitems.Itisnecessarytotakethissituationintoaccountinriskassessments.ThisEuropeanStandardisonlyapplicableforgasanddustexplosionsofchemicallystablesubstancesandmixturesofthese(flamepropagatingatsubsonicvelocity).ThisEuropeanStandardisnotapplicableforexplosionsofmaterialslistedbelow,orformixturescontainingsomeofthosematerials:i)chemicallyunstablesubstancesthatareliabletodecompose;ii)explosivesubstances;iii)pyrotechnicsubstances.ThisEuropeanStandarddoesnotcoverflamearresters.ForthesedevicesrefertoEN12874.
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:42P.;A4
【正文语种】:英语