NF L22-187-1976 带B.N.A.E十字槽90°沉头螺钉.Sim螺纹

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【英文标准名称】:Explosiveatmospheres-Explosionpreventionandprotection-Basicconceptsandmethodology
【原文标准名称】:爆炸性环境.防爆和防护.基本概念和方法
【标准号】:BSEN1127-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-01-15
【实施或试行日期】:1998-01-15
【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】:通风;危害;爆炸性环境;电流;手工工具;设计;电火花;表面;电气安全;防火安全;防护电气设备;分类系统;安全措施;风险评估;电磁辐射;危险场所分类(电气设备用);火焰;爆炸;着火性;超声波学;化学危害;火灾危险;煤气;粒状材料;静电学;闪电;点火;气体;使用说明;电离辐射;控制设备;作标记;尘埃;阻火器;高频
【英文主题词】:Accidentprevention;Definition;Definitions;Evaluations;Explosionhazard;Explosionprotection;Explosionzone;Explosions;Explosiveatmospheres;Fire;Firesafety;Flammableatmospheres;Hazards;Machines;Occupationalsafety;Preventiveactions;Protection;Protectivemeasures;Risk;Riskarea;Safety;Safetycomponents;Safetyengineering;Safetyrequirements;Specification(approval);Userinformation;Workplacesafety
【摘要】:ThisEuropeanStandardspecifiesmethodsfortheidentificationandassessmentofhazardoussituationsleadingtoexplosionandthedesignandconstructionmeasuresappropriatefortherequiredsafety.Thisisachievedby:-hazardidentification;-riskassessment;-eliminationorminimizationofrisk;-informationforuse.Thesafetyofequipment,protectivesystemsandcomponentscanbeachieved,asdescribedin5.7ofEN414:1992,byremovalofhazardsand/orlimitingtherisk,i.e.a)bydesignwithoutusingsafeguarding;b)bysafeguarding;c)bycommunicationlinks,ifnecessary,toconveyinformationtotheuser,d)byanyotherprecautions.NOTE.The'design'inaccordancewith5.7ofEN414:1992shouldnotbeconfusedwiththe'design'inaccordancewith6.5ofthisstandard.Measuresinaccordancewitha)(prevention)andb)(protection)againstexplosionsaredealtwithinclause6ofthisstandard,measuresaccordingtoc)againstexplosionsaredealtwithinclause7ofthisstandard.Measuresinaccordancewithd)arenotdescribedinthisstandard.Theyaredealtwithinclause6ofEN292-2:1991.Thepreventiveandprotectivemeasuresdescribedinthisstandardwillnotprovidetherequiredlevelofsafetyunlesstheequipment,protectivesystemsandcomponentsareoperatedwithintheirintendeduseandareinstalledandmaintainedaccordingtotherelevantcodesofpracticeorrequirements.Thisstandardspecifiesgeneraldesignandconstructionmethodstohelpdesignersandmanufacturersinachievingexplosionsafetyinthedesignofequipment,protectivesystemsandcomponents.Thisstandardisapplicabletoanyequipment,protectivesystemsandcomponentsintendedtobeusedinpotentiallyexplosiveatmospheres.Theseatmospherescanarisefromflammablematerialsprocessed,usedorreleasedbytheequipment,protectivesystemsandcomponentsorfrommaterialsinthevicinityoftheequipment,protectivesystemsandcomponentsand/orfromthematerialsofconstructionoftheequipment,protectivesystemsandcomponents.Thisstandardisapplicabletoequipment,protectivesystemsandcomponentsatallstagesoftheiruse.ThisstandardisonlyapplicabletoequipmentgroupⅡwhichisintendedforuseinotherplacesthanundergroundpartsofminesandthosepartsofsurfaceinstallationsofsuchminesendangeredbyfiredampand/orflammabledust.Thisstandardisnotapplicableto:-medicaldevicesintendedforuseinamedicalenvironment;-equipment,protectivesystemsandcomponentswheretheexplosionhazardresultsexclusivelyfromthepresenceofexplosivesubstancesorunstablechemicalsubstances;-equipment,protectivesystemsandcomponentswheretheexplosioncanoccurbyreactionofsubstanceswithotheroxidizersthanatmosphericoxygenorbyotherhazardousreactionsorbyotherthanatmosphericconditions;-equipmentintendedforuseindomesticandnon-commercialenvironmentswherepotentiallyexplosiveatmospheresmayonlyrarelybecreated,solelyasaresultoftheaccidentalleakageoffuelgas;-personalprotectiveequipmentcoveredbyDirective89/686/EEC;-seagoingvesselsandmobileoffshoreunitstogetherwithequipmentonboardsuchvesselsorunits;-meansoftransport,i.e.vehiclesandtheirtrailersintendedsolelyfortransportingpassengersbyairorbyroad,railorwaternetworks,aswellasmeansoftransportinsofarassuchmeansaredesignedfortransportinggoodsbyair,bypublicroadorrailnetworksorbywater.Vehiclesintendedforuseinapotentiallyexplosiveatmosphereshallnotbeexcluded;-thedesignandconstructionofsystemscontainingdesired,controlledcombustionprocesses,unlesstheycanactasignitionsourcesinpotentiallyexplosiveatmospheres.
【中国标准分类号】:C67
【国际标准分类号】:13_110;13_230
【页数】:38P.;A4
【正文语种】:英语


Product Code:SAE AMS5573
Title:Steel, Corrosion and Heat-Resistant, Seamless Tubing, 17Cr - 12Ni - 2.5Mo (SAE 30316), Solution Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant steel in the form of seamless tubing.