ANSI C50.41-1977 发电站用多相感应电动机

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【英文标准名称】:StandardPracticeforAutomaticSamplingofPetroleumandPetroleumProducts
【原文标准名称】:石油和石油产品自动抽样的标准实施规程
【标准号】:ASTMD4177-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D02.02.0B
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:抽样方法;石油产品;工艺;润滑剂
【英文主题词】:acceptancetests;automaticpetroleumsampling;controllers;extractor;intermediatesamplingreceiver;isokineticsampling;mixingelements;portablesamplers;primarysamplereceiver;probe;representativesampling;representativesamplingcriteria;samplinghandling;sampleloop;samplemixing;streamconditioning;NumberCode75.080(Petroleumproductsingeneral);75.100(Lubricants,industrialoilsandrelatedproducts)
【摘要】:1.1Thispracticecoversinformationforthedesign,installation,testing,andoperationofautomatedequipmentfortheextractionofrepresentativesamplesofpetroleumandpetroleumproductsfromaflowingstreamandstoringtheminasamplereceiver.Ifsamplingisfortheprecisedeterminationofvolatility,usePracticeD5842inconjunctionwiththispractice.Forsamplemixing,refertoPracticeD5854.PetroleumproductscoveredinthispracticeareconsideredtobeasinglephaseandexhibitNewtoniancharacteristicsatthepointofsampling.1.2ApplicableFluids-Thispracticeisapplicabletopetroleumandpetroleumproductswithvaporpressuresatsamplingandstoragetemperatureslessthanorequalto101kPa(14.7psi).RefertoD5842whensamplingforReidvaporpressure(RVP)determination.1.3Non-applicableFluids-Petroleumproductswhosevaporpressureatsamplingandsamplestorageconditionsareabove101kPa(14.7psi)andliquifiedgases(thatis,LNG,LPGetc.)arenotcoveredbythispractice.1.3.1Whiletheprocedurescoveredbythispracticewillproducearepresentativesampleoftheflowingliquidintothesamplereceiver,specializedsamplehandlingmaybenecessarytomaintainsampleintegrityofmorevolatilematerialsathightemperaturesorextendedresidencetimeinthereceiver.Suchhandlingrequirementsarenotwithinthescopeofthispractice.ProceduresforsamplingthesefluidsaredescribedinPracticeD1265,TestMethodD1145,andGPA2166.1.4AnnexA2containstheoreticalcalculationsforselectingthesamplerlocation.AnnexA3listsacceptancemethodologiesforsamplingsystemsandcomponents.AnnexA4givesperformancecriteriaforpermanentinstallations,whileAnnexA5hasthecriteriaforportablesamplingunits.AppendixX1isadesigndatasheetforautomaticsamplingsystems;AppendixX2comparesthepercentsedimentandwatertounloadingtimeperiod.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_100
【页数】:25P.;A4
【正文语种】:

标准名称：	水处理剂用铝酸钙
发布部门：	中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会
发布日期：	2012-12-31
实施日期：	2013-08-01
首发日期：
作废日期：
出版社：	中国标准出版社
出版日期：	2013-08-01

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