ANSI/ASTM D4177-1995 石油及石油产品自动取样惯例

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【英文标准名称】:PracticeforAutomaticSamplingofPetroleumandPetroleumProducts
【原文标准名称】:石油及石油产品自动取样惯例
【标准号】:ANSI/ASTMD4177-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;抽样方法
【英文主题词】:Lubricants;Petroleumproducts;Processes;Samplingmethods
【摘要】:Thispracticecoversinformationforthedesign,installation,testing,andoperationofautomatedequipmentfortheextractionofrepresentativesamplesofpetroleumandpetroleumproductsfromaflowingstreamandstoringtheminasamplereceiver.Ifsamplingisfortheprecisedeterminationofvolatility,usePracticeD5842inconjunctionwiththispractice.Forsamplemixing,refertoPracticeD5854.PetroleumproductscoveredinthispracticeareconsideredtobeasinglephaseandexhibitNewtoniancharacteristicsatthepointofsampling.ApplicableFluids-Thispracticeisapplicabletopetroleumandpetroleumproductswithvaporpressuresatsamplingandstoragetemperatureslessthanorequalto101kPa(14.7psi).RefertoD5842whensamplingforReidvaporpressure(RVP)determination.Non-applicableFluids-Petroleumproductswhosevaporpressureatsamplingandsamplestorageconditionsareabove101kPa(14.7psi)andliquifiedgases(thatis,LNG,LPGetc.)arenotcoveredbythispractice.1.3.1Whiletheprocedurescoveredbythispracticewillproducearepresentativesampleoftheflowingliquidintothesamplereceiver,specializedsamplehandlingmaybenecessarytomaintainsampleintegrityofmorevolatilematerialsathightemperaturesorextendedresidencetimeinthereceiver.Suchhandlingrequirementsarenotwithinthescopeofthispractice.ProceduresforsamplingthesefluidsaredescribedinPracticeD1265,TestMethodD1145,andGPA2166.AnnexA2containstheoreticalcalculationsforselectingthesamplerlocation.AnnexA3listsacceptancemethodologiesforsamplingsystemsandcomponents.AnnexA4givesperformancecriteriaforpermanentinstallations,whileAnnexA5hasthecriteriaforportablesamplingunits.AppendixX1isadesigndatasheetforautomaticsamplingsystems;AppendixX2comparesthepercentsedimentandwatertounloadingtimeperiod.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:E21;E31
【国际标准分类号】:75_080;75_100
【页数】:
【正文语种】:英语