ASTM D5287-2008 气体燃料的自动抽样的标准实施规程

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【英文标准名称】:StandardPracticeforAutomaticSamplingofGaseousFuels
【原文标准名称】:气体燃料的自动抽样的标准实施规程
【标准号】:ASTMD5287-2008
【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】:D03.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaseousfuels;Automaticsampling;Gaseousfuels;Samplinggaseousmaterials/applications
【摘要】:Thispracticeshouldbeusedwhenandwherearepresentativesampleisrequired.Arepresentativesampleisnecessaryforaccuratebillingincustodytransfertransactions,accuratecompositionalanalysisoftheflowingstream,gravitydeterminationforflowcalculationsandotherdesiredinformationconcerningthepropertiesofthestreamcontents.Thispracticeisnotintendedtopreemptexistingcontractagreementsorregulatoryrequirements.Principlespertinenttothispracticemaybeappliedinmostcontractualagreements.Warning8212;Manygagesareextremelyflammableandcancontaintoxicsubstances.Cautionshouldbetakeninallaspectsofsamplecollectionandhandling.Samplevesselsshouldonlybehandledinwellventilatedlocationsawayfromsparksandflames.Improperhandlingcanresultinanexplosionorinjury,orboth.1.1Thispracticecoversthecollectionofgaseousfuelsandtheirsyntheticequivalentsusinganautomaticsampler.1.2Thispracticeappliesonlytosingle-phasegasmixtures.Thispracticedoesnotaddressatwo-phasestream.1.3Thispracticeincludestheselection,installation,andmaintenanceofautomaticsamplingsystems.1.4Thispracticedoesnotincludetheactualanalysisoftheacquiredsample.OtherapplicableASTMstandards,suchasTestMethodD1945,shouldbeusedtoacquirethatinformation.1.5Theselectionofthesamplingsystemisdependentonseveralinterrelatedfactors.Thesefactorsincludesourcedynamics,operatingconditions,cleanlinessofthesourcegases,potentialpresenceofmoistureandhydrocarbonliquids,andtracehazardouscomponents.Forclean,drygassources,steadysourcedynamics,andnormaloperatingconditions,thesystemcanbeverysimple.Asthesourcedynamicsbecomemorecomplexandthepotentialforliquidsincreases,ortracehazardouscomponentsbecomepresent,thecomplexityofthesystemselectedanditscontrollinglogicmustbeincreased.Similarly,installation,operation,andmaintenanceproceduresmusttakethesedynamicsintoaccount.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E46
【国际标准分类号】:75_160_30
【页数】:5P.;A4
【正文语种】:英语