JJG (烟草) 14-1998 A01～A06型压降测定仪检定规程
时间:2024-05-12 00:22:03 来源: 标准资料网 作者：标准资料网 阅读：8607
基本信息
| 标准名称： | A01～A06型压降测定仪检定规程 |
| 中标分类： |
|
| 发布部门： | 国家烟草专卖局 |
| 发布日期： | |
| 实施日期： | 1998-10-30 |
| 首发日期： | |
| 作废日期： | |
| 提出单位： | 国家烟草专卖局 |
| 归口单位： | 国家烟草专卖局科技教育司 |
| 起草单位： | 国家烟草质量监督检验中心 |
| 起草人： | 范黎、方淑杰、刘惠民 |
| 出版日期： | |
| 页数： | 2页 |
适用范围
本规程适用于新制造的、使用中的或修理后的德国H.B公司生产的A01～A06型压降测定仪的检定。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类：
【英文标准名称】:Polybutene(PB)pipes;dimensions
【原文标准名称】:聚丁烯(PB)管.尺寸
【标准号】:DIN16969-1977
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardPracticesforSamplingforParticlesinAerospaceFluidsandComponents
【原文标准名称】:航空航天流体和部件中粒子取样的标准实施规程
【标准号】:ASTMF303-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E21.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aerospaceapplications;aerospacefluids/propellants;flowingfluidsampling;particulatecontamination;rinsefluidsampling;samplingx2014;aerospacefluids;samplingx2014;electronicmaterials/app
【摘要】:Althoughacleaningactionisimpartedtothetestcomponent,itisnottheintentofthispracticetoserveasacleaningprocedure.Componentsarenormallycleaneraftereachconsecutivetest;thusrepeatedtestsmaybeusedtoestablishprocesslimitsforagivencomponent(Fig.4).Aspecificsetoftestparametersmustbesuppliedbytheagencyspecifyingcleanlinesslimits.Fig.1,Fig.2,andFig.3maybeusedasaguidetoestablishthedesiredparametersoftestfluid,vibration,extraction,andanalysis.ThecurveinFig.4showsthetypicalbehaviorofacomponentwhentestedforcleanlinessseveralconsecutivetimes.Stabilizationgenerallyoccursbeforethefifthsuccessiverun.Thestabilizedregionstartswhereahorizontallinethroughthemaximumstabilizedvalueintersectsthecurve.Theallowablecleanlinesslimitofatestcomponentshouldbebasedonthecleanlinessrequirementsofthesysteminwhichitwillbeusedandtheassignedvalueshouldbegreaterthanthemaximumstabilizedvalue.Whendefiningtheallowablecleanlinesslimits,animportantconsiderationisthattheaccuracyoftheresultsdecreasesastheallowablelimitvalueapproachesthestabilizedvalue.FIG.4ContaminationperTestRunVersusConsecutiveTestRunNumber1.1Thesepracticescoversamplingproceduresforuseindeterminingtheparticlecleanlinessofliquidsandliquidsamplesfromcomponents.Threepractices,A,B,andC,havebeendevelopedonthebasisofcomponentgeometryinordertoencompassthewidevarietyofconfigurations.Thesepracticesestablishguidelinestobeusedinpreparingdetailedproceduresforsamplingspecificcomponents.Note18212;Thetermcleanlinessusedinthesepracticesreferstosolidparticlesintheliquid.Itdoesnotgenerallycoverotherforeignmattersuchasgases,liquids,andproductsofchemicaldegradation.Cleanlinesswithrespecttoparticulatecontaminationdoesnotnecessarilygiveanyindicationoftheothertypesofcontamination.1.2Allcomponents,regardlessofapplication,maybetestedprovided(1)thefluidmediumselectediscompletelycompatiblewiththematerials,packingandfluidusedinthetestcomponent,andtestapparatus,and(2)thefluidishandledinaccordancewiththemanufacturer''srecommendationsandprecautions.Aliquidshallbeusedasthetestfluidmedium.Thesetestfluidsmaybeflushing,rinsing,packing,enduseoperating,orsuitablesubstitutesforenduseoperatingfluids.(Warningx2014;Practicesforsamplingsurfacecleanlinessbythevacuumcleanertechnique(usedoncleanroomgarmentsandlargestoragetanks)samplinggaseousfluidsandhandlinghazardousfluidssuchasoxidizers,acids,propellants,andsoforth,arenotwithinthescopeofthepracticespresented;however,theymaybeincludedinaddendumsorseparatepracticesatalaterdate.Substitutefluidsarerecommendedinplaceofenditemfluidsforpreassemblycleanlinessdeterminationsoncomponentsusinghazardousenditemfluids.Afterobtainingthesample,thesubstitutefluidmustbetotallyremovedfromthetestpartwithparticularcautiongiventothepossibilityoftrappedfluid.Itishazardoustouseasubstitutefluidfortestingassembledpartswherethefluidcanbetrappedindeadends,behindseals,andsoforth.)Note28212;Thewordfluidusedinthesepracticesshallbeassumedtobealiquidunlessotherwisestated.1.3Thecleanlinessofassemblieswithorwithoutmovingpartsmaybedeterminedatthetime......
【中国标准分类号】:V04
【国际标准分类号】:49_080
【页数】:9P.;A4
【正文语种】:英语