【英文标准名称】:StandardTestMethodforDeterminationofParticleContributionfromGasDistributionSystemValves
【原文标准名称】:测定从气体分配系统阀门产生的粒子成分的标准试验方法
【标准号】:ASTMF1394-1992(2005)
【标准状态】:现行
【国别】:
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F01.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;阀门;分配系统;气体分配
【英文主题词】:Condensationnucleuscounter(CNC);Electricalconductors-semiconductors;Flowandflowrate-semiconductorapplications;Gasdistributionsystems;Laserparticlecounter(LPC);Lasersandlaserapplications;Mechanicalstress;Minimumdetectionlim
【摘要】:Thepurposeofthistestmethodistodefineaprocedurefortestingcomponentsintendedforinstallationintoahigh-puritygasdistributionsystem.Applicationofthistestmethodisexpectedtoyieldcomparabledataamongcomponentstestedforthepurposesofqualificationforthisinstallation.BackgroundTesting8212;Thistestmethodusesbackgroundtestingtoensurethatthesystemisnotcontributingparticlesabovealow,acceptablelevel.Thisensuresthatcountsseenarefromthetestdevice,notfromacontaminatedsystem.Thetechniquesusedtoobtainbackgroundcountsdonotproduceconditionsidenticaltotheconditionsexistingwhenatestdeviceisinplace.Itisrecommendedthatthecontrolproductsberunperiodicallytoseethattheygiveconsistentresults.Thesecontrolproductsshouldbethelowestparticlereleaseproducts.Theywillbeadditionalproofthatthesystemisnotcontributingexcessparticlesduringthestatic,dynamic,orimpactportionsofthetest.Thistestmethodcanbeusedfortestinglengthsoftubing.Theflowcriteriawillbeidenticaltothatindicatedforvalves.Atubingtestwouldonlyincludethestaticbackground,theimpactbackground,andthestaticandimpactportionsofthemethod.Adynamicportioncouldbeaddedbyactuatingtheupstreampneumaticvalve(PV1),thuscreatingaflowsurgetothetestlengthoftubing.1.1Thistestmethodcoversgasdistributionsystemcomponentsintendedforinstallationintoahigh-puritygasdistributionsystem.1.1.2Thistestmethoddescribesaproceduredesignedtodrawstatisticallysignificantcomparisonsofparticulategenerationperformanceofvalvestestedunderaggressiveconditions.1.1.3Thistestmethodisnotintendedasamethodologyformonitoringon-goingparticleperformanceonceaparticularvalvehasbeentested.1.2Thistestmethodutilizesacondensationnucleuscounter(CNC)appliedtoin-linegasvalvestypicallyusedinsemiconductorapplications.Itappliestoautomaticandmanualvalvesofvarioustypes(suchasdiaphragmsorbellows),6.3through12.7-mm(1/4through1/2-in.)size.Forapplicationsofthistestmethodtolargervalves,seethetableintheappendix.1.2.1Valveslargerthan12.7mm(1/2in.)canbetestedbythismethodology.Theteststandmustbesizedaccordingly.Componentslargerthan12.7mm(1/2in.)shouldbetestedwhilemaintainingaReynoldsnumberof20000to21000.ThisistheReynoldsnumberfor12.7-mm(1/2-in.)componentstestedatavelocityof30.5m/s(100ft/s).1.3Limitations:1.3.1Thistestmethodisapplicabletototalparticlecountgreaterthantheminimumdetectionlimit(MDL)ofthecondensationnucleusparticlecounteranddoesnotconsiderclassifyingdataintovarioussizeranges.1.3.1.1Itisquestionablewhethersignificantdatacanbegeneratedfromnondynamiccomponents(suchasfittingsandshortlengthsoftubing)tocompare,withstatisticalsignificance,tothedatageneratedfromthespoolpiece.Forthisreason,thistestmethodcannotreliablysupportcomparisonsbetweenthesetypesofcomponents.1.3.1.2Ifdetectionorclassificationofparticles,orboth,inthesizerangeoflaserparticlecounter(LPC)technologyisofinterest,anLPCcanbeutilizedfortestingcomponents.Flowrates,testtimes,samplingapparatus,anddataanalysisoutlinedinthistestmethoddonotapplyforusewithanLPC.Becauseofthesevariations,datafromCNCsarenotcomparabletodatafromLPCs.1.3.2Thistestmethodspecifiesflowandmechanicalstressconditionsinexcessofthoseconsideredtypical.Theseconditionsshouldnotexceedthoserecommendedbythemanufacturer.Actualperformanceundernormaloperatingconditionsmayvary.......
【中国标准分类号】:J16
【国际标准分类号】:23_060_20;23_060_10
【页数】:27P.;A4
【正文语种】:


【英文标准名称】:High-pressuredecorativelaminates(HPL)-Sheetsbasedonthermosettingresins(usuallycalledlaminates)-Part7:CompactlaminateandHPLcompositepanelsforinternalandexternalwallandceilingfinishes;GermanversionEN438-7:2005
【原文标准名称】:装饰用高压层压制件(HPL).基于热固性树脂的薄板材(通常称为层压制件).第7部分:内墙、外墙和天棚用压实层压制件和HPL复合板材
【标准号】:EN438-7-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空气隔声;精整;复合材料;外部面积;家具;内部面积;装饰覆层;外部;水蒸气渗透性;适用性等级;装饰层压板;高压迭层;顶棚衬垫;复合板材;耐光性;高压;塑料;尺寸;作标记;墙面饰层;燃烧试验;叠层板材;内部装饰;分类系统;覆层;塑料薄膜;多层系统;CE标记;内装修;薄板材;外部应用;CE标志;热固的;特点;检验;名称与符号;装饰性的;高压板材;分类;合格评定;人造树脂;设计;装饰材料;耐力;定义;建筑用纤维板;使用;层压薄板;树脂;特性;内部;材料;火焰表面传播;建筑产品;生产控制;板材;规范(验收);压实板材;试验;板条;顶棚表面;质量保证;规范;装饰
【英文主题词】:Airbornesoundinsulation;Applicabilityclasses;Applications;Artificialresins;Boards;CEmark;CEmarking;Ceilinglinings;Ceilingsurfacings;Classification;Classificationsystems;Coatings;Compactplates;Compositeboards;Compositematerials;Conformityassessment;Constructionalproducts;Decorations;Decorative;Decorativecoatings;Decorativelaminates;Decorativematerials;Definition;Definitions;Design;Designations;Dimensions;Exteriorapplication;Exteriorareas;External;Features;Fibrebuildingboard;Finishes;Firetests;Furniture;Highpressure;High-pressureplates;HPL;Inspection;Interiorareas;Interiordecorating;Interiordecoration;Internal;Laminatedsheets;Laminates;Lightresisting;Marking;Materials;Multilayersystem;Panels;Plasticsheets;Plastics;Productioncontrol;Properties;Qualityassurance;Resins;Resistance;Sheets;Specification;Specification(approval);Surfacespreadofflame;Testing;Thermosetting;Wallcoverings;Watervapourpermeability
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:83_140_20
【页数】:36P.;A4
【正文语种】:英语