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【英文标准名称】:Electricalapparatusforuseinthepresenceofcombustibledust-Typeofprotection"pD"
【原文标准名称】:可燃灰尘存在时的电气装置.PD保护类型
【标准号】:BSIEC61241-4-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-09-06
【实施或试行日期】:2001-09-06
【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】:卫生和安全要求;设计;试验;电气元件;尘埃;防护电气设备;灰尘暴炸;爆炸性环境;防事故外壳;p型防护电气设备
【英文主题词】:Classificationsystems;Definition;Definitions;Dustexplosions;Electricappliances;Electricalengineering;Explosionprotection;Testing
【摘要】:ThispartofIEC61241givesrequirementsonthedesign,construction,testingandmarkingofelectricalapparatusforuseincombustibledustatmospheresinwhichaprotectivegas(airorinertgas),maintainedatapressureabovethatoftheexternalatmosphere,isusedtopreventtheentryofdustwhichmightotherwiseleadtotheformationofacombustiblemixturewithinenclosureswhichdonotcontainasourceofcombustibledust.Thisstandardcontainsthespecificrequirementsforconstructionandtesting,includingprotectiverequirementsthatapplytoelectricalapparatuswithtypeofprotectionpressurization"pD"intendedforuseinpotentiallycombustibledustatmospheres.Thisstandardincludestherequirementsfortheconstructionoftheenclosureanditsassociatedcomponents,including,ifany,theinletandoutletductsfortheprotectivegas,andforthesafetyprovisionsanddevicesnecessarytoensurethatpressurizationisestablishedandmaintainedfortypeofprotectionpressurization"pD".Requirementsforpressurizedenclosureswithaninternalsourceofdustreleasearenotincludedinthisstandard.Thisstandarddoesnotcovertherequirementsforpressurizedroomswithorwithoutinternalsourcesofdustrelease.Thisstandarddoesnotapplytodustsofexplosiveswhichdonotrequireatmosphericoxygenforcombustionortopyrophoricsubstances.Thisstandarddoesnotcovercombinedgasanddusthazard.Thoserequirementsareunderconsideration.TherequirementscontainedinthisstandardaresupplementarytothoseinIEC61241-1-1.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:26P.;A4
【正文语种】:英语