【英文标准名称】:Highefficiencyparticulateairfilters(HEPAandULPA)-Part1:Classification,performancetesting,marking;GermanversionEN1822-1:1998
【原文标准名称】:高效空气悬浮物过滤器(HEPA和ULPA).第1部分:分级.性能检验.标记
【标准号】:DINEN1822-1-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-07
【实施或试行日期】:1998-07-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验用气雾剂;分离效率;过滤器;定义;定义;大容量;空调;机械工程;颗粒滤器;规格试验;空调系统;无菌室;试验条件;颗粒;颗粒物质的测定;空气过滤器;规范(验收);高性能亚微颗粒过滤器;处理通风;试验;测量;分类;作标记;分类系统
【英文主题词】:Airconditioning;Airfilters;Air-conditioningsystems;Classification;Classificationsystems;Cleanrooms;Clean-roomtechnology;Concentrationofparticles;Definition;Definitions;Filters;Highcapacity;High-efficiencysubmicronparticulateairfilters;Marking;Measurement;Mechanicalengineering;Particlefilters;Particles;Particulatemattermeasurement;Processventilation;Ratingtests;Separationefficiency;Specification(approval);Testaerosols;Testing;Testingconditions
【摘要】:Thedocumentappliesforhighefficiencyairfiltersusedinthefieldofventilationandairconditioningandfortechnicalprocesses,inparticularforcleanroomtechnology.Itestablishesaprocedureforthedeterminationoftheefficiencyonthebasisofaparticlecountingmethodusingaliquidtestaerosol,andallowsastandardizedclassificationofthesefiltersintermsoftheirefficiency.
【中国标准分类号】:J88
【国际标准分类号】:13_040_40
【页数】:12P.;A4
【正文语种】:德语


【英文标准名称】:Methodsoftestforfull-flowlubricatingoilfiltersforinternalcombustionengines-Part4:Initialparticleretentionefficiency,lifeandcumulativeefficiency(gravimetricmethod)
【原文标准名称】:内燃机全流式机油滤清器试验方法第4部分:原始容灰量、滤芯寿命和累积效率(重量法)
【标准号】:ISO4548-4-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC70
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;试验;内燃机;润滑油过滤器;往复式内燃机;工作时间;满流式滤清器;分离效率
【英文主题词】:Definitions;Fullflowfilters;Internalcombustionengines;Lubricatingoilfilters;Reciprocatinginternalcombustionengines;Separationefficiency;Servicelife;Testing
【摘要】:ThispartofISO4548specifiestestsfordeterminingtheperformanceoffull-flowlubricatingoilfiltersforinternalcombustionenginesasfollows.Section2:Initialparticleretentionefficiency.Thisgivesthetestproceduresandparametersforthedeterminationoftheinitialparticleretentionefficiencyoflubricatingoilfilterelementsunderdefinedtestconditions.Byreportingtheresultsinaccordancewithsubclause2.6,theprobableretentionefficiencyforanyparticlesizemaybederived.Theretentionefficiencyisdeterminedbythegravimetricmethod.Section3:Lifeandcumulativeefficiency.Thisgivesthetestproceduresandparametersforthedeterminationofelementlifeandcumulativeefficiencyoflubricatingoilfilters.Thecumulativeefficiencyisdeterminedbythegravimetricmethod.NOTE—Byagreementbetweenfiltermanufacturerandpurchaser,testsonlargefilterscanbeconductedonthebasisoftestscarriedoutonfiltersscaled-downinlength.Therelationshipofthefilterflowandtestdustadditionratetotheeffectivelengthofthefiltermediumshouldbethesameinthescaled-downtestsasinthefullsizefilter.ForthepurposesofthispartofISO4548,afilterhavingatestflowrateexceeding100l/minisconsideredlarge.
【中国标准分类号】:J95
【国际标准分类号】:21_260
【页数】:30P;A4
【正文语种】:英语