【英文标准名称】:GrayIronCastingsforValves,FlangesandPipeFittings
【原文标准名称】:阀门,法兰和管配件用灰铁铸件
【标准号】:ASTMA126-1984
【标准状态】:作废
【国别】:美国
【发布日期】:1984
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:生铁锭;铁;管道配件;法兰;阀门;铸件
【英文主题词】:castings;pigs(castings);valves;iron;flanges;pipefittings
【摘要】:
【中国标准分类号】:J31
【国际标准分类号】:23_040_40;77_140_80
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforSamplingofPetroleumProductsforAnalysisbyProcessStreamAnalyzersandforProcessStreamAnalyzerSystemValidation
【原文标准名称】:通过工艺流分析仪和用于过程流分析仪系统验证对石油产品取样进行分析的标准实施规程
【标准号】:ASTMD7453-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.25
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:analyzersampling;compositesampler;linesample
【摘要】:Analyzersystemsrequirerepresentativesamplesofpetroleumproductsdeliveredinatimelymannerto(1)facilitatethecontrolofprocessorblendingunitsor(2)calculateaflowproportionedpropertyvalue.Representativesamplesofpetroleumproductsarerequiredforthedeterminationofchemicalandphysicalproperties.Thesepropertiesareusedtoestablishtherelationshipbetweentheanalyzersystemandtheprimarytestmethodduringinitialandongoingvalidationofthesystem.Representativesamplesofpetroleumproductsaretestedtodeterminethechemicalandphysicalpropertiesofabatchofferedfortender.1.1Thispracticecoverstheperformancerequirementsforsamplesystemsemployedtodeliverprocessstreamsamples(1)toanalyzersystemforanalysesor(2)foranalyzervalidationor(3)forcompositesamplesystems.Italsooutlinestheselectionandoperationoflineorbatchsamplingequipmentintendedforanalyzerflowproportionedaveragepropertyvaluesystemvalidation.Samplehandling,mixing,andconditioningproceduresarerequiredtoensurethatarepresentativesampleoftheliquidpetroleumproductiscollectedfromthesamplingsource.1.2ApplicableFluids8212;Thispracticeisapplicabletosingleliquidphasepetroleumproductswhosevaporpressureatsamplingandsamplestorageconditionsislessthanorequalto110kPa(16.0psi),and,withaD86finalboilingpointlessthanorequalto400x00B0;C(752x00B0;F).1.2.1Specializedsamplehandlingmaybenecessarytomaintainsampleintegrityofmorevolatilematerialsathightemperaturesorextendedresidencetimeinthereceiver.Suchhandlingrequirementsarenotwithinthescopeofthispractice.Usersshouldconsulttheanalyticalmethodstobeperformedonthesampleforspecialsamplestorageorconditioningrequirements.1.3Someoralloftheprocessesoutlinedinthispracticemaybeapplicabletootherliquids.Applyingthispracticetootherliquidswillrequiretheconsiderationofadditionalmethodsandpractices.Itistheresponsibilityoftheuserofthisstandardtoidentifyanyandallapplicablesafetyandsamplingconsiderationsandestablishappropriateprocedurestohandletheseadditionalconsiderations.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】:英语