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【英文标准名称】:Respiratoryprotectivedevices-Filteringhalfmaskstoprotectagainstparticles-Requirements,testing,marking
【原文标准名称】:呼吸防护器.颗粒防护用过滤半面罩.要求,试验和标识
【标准号】:BSEN149-2001+A1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【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】:呼吸装置;化学危害;分类;清洁处理;定义(术语);尘埃;呼吸器呼气阀;过滤装置;过滤材料;过滤器;过滤;火灾;适用性;易燃性;半罩式面具;吸气阀;检验;使用说明书;实验室测试;作标记;面具;材料;职业安全性;颗粒滤器;颗粒;防护面具;保护(装置);防护服装;防护设备;呼吸器;呼吸阻力;安全性工程;抽样方法;规范(验收);测试;阀门;工作场所安全性
【英文主题词】:Breathingapparatus;Chemicalhazards;Classification;Cleaning;Definitions;Dust;Exhalingvalves;Filteringdevices;Filteringmaterials;Filters;Filtration;Fire;Fitnessforpurpose;Flammability;Halfmasks;Inhalingvolve;Inspection;Instructionsforuse;Laboratorytesting;Marking;Masks;Materials;Occupationalsafety;Particlefilters;Particles;Protectingmasks;Protection;Protectiveclothing;Protectiveequipment;Respirators;Respiratoryresistance;Safetyengineering;Samplingmethods;Specification(approval);Testing;Valves;Workplacesafety
【摘要】:ThisEuropeanStandardspecifiesminimumrequirementsforfilteringhalfmasksasrespiratoryprotectivedevicestoprotectagainstparticlesexceptforescapepurposes.Laboratoryandpracticalperformancetestsareincludedfortheassessmentofcompliancewiththerequirements.
【中国标准分类号】:C73
【国际标准分类号】:13_340_30
【页数】:44P.;A4
【正文语种】:英语


【英文标准名称】:Nuts,hexagonal,plain,normalheight,normalacrossflats,withMJthreads,classifications-600MPa(atambienttemperature)/120°C,600MPa(atambienttemperature)/235°C,900MPa(atambienttemperature)/425°C,1100MPa(atambienttemperature)/
【原文标准名称】:带MJ螺纹的标称高度和标称交叉平面的平六角头螺母分类:600MPa(室温)/120℃、600MPa(室温)/235℃、900MPa(室温)/425℃、1100MPa(室温)/235℃、1100MPa(室温)/315℃、1100MPa(室温)/650℃、1210MPa(室温)/730℃、1250MPa(室温)/235℃、1550MPa(室温)/600℃.尺寸
【标准号】:BSA317-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-11-15
【实施或试行日期】:1997-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;温度;分类系统;角(几何学);紧固件;六角头紧固件;直径;螺纹;抗拉应力;飞行器部件;螺纹紧固件;尺寸公差;螺母;尺寸
【英文主题词】:Aerospacetransport;Airtransport;Dimensionaltolerances;Dimensions;Fasteners;Hexagonnuts;MJ-threads;Nuts
【摘要】:ThisInternationalStandardspecifiesthedimensionsofplain,hexagonalnuts,normalheight,normalacrossflats,withMJthreads,ofclassifications:600MPa/120℃,600MPa/235℃,900MPa/425℃.1100MPa/235℃,1100MPa/315℃,1100MPa/650℃,1210MPa/730℃,1250MPa/235℃and1550MPa/600℃.NutsprovidedwithholesareintendedtobeusedwithlockwireinconformitywithISO245.ThisInternationalStandardisonlyapplicableforthecompilationofaerospaceproductstandards.note:1)Correspondstotheminimumtensilestresswhichthenutisabletowithstandatambienttemperaturewithoutbreakingorcrackingwhentestedwithaboltofahigherstrengthclass.2)Maximumtemperaturethatthenutisabletowithstand,withoutpermanentalterationtoitsoriginalcharacteristics,afterambienttemperaturehasbeenrestored.Themaximumtemperatureisconditionedbythematerialorbythesurfacetreatment.
【中国标准分类号】:J13
【国际标准分类号】:49_030_30
【页数】:10P.;A4
【正文语种】:英语