【英文标准名称】:StandardTestMethodforBulkDensityofGranularRefractoryMaterials
【原文标准名称】:粒状耐火材料的松密度的标准试验方法
【标准号】:ASTMC357-2007(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:C08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:blottingcloth;boiling;bulkdensity;buret;granularrefractor;material;non-hydratable;sheen;Bulkdensity;Density--refractorymaterials;Granularrefractorymaterial;Nonhydratablerefractorymaterial;Refractories(general);Sheen;Waterdis
【摘要】:Granularrefractorymaterialsmaybeeitherrefractorygrainrawmaterialsthatareusedinthemanufactureoffinishedrefractoryproducts,orbulkgranularrefractorymaterialsthataresold,withorwithoutsomedegreeofprocessing,torefractoryconsumersforvarioususes.Ineithercase,characterizingthepropertiesofagranularrefractorymaterialisessentialinevaluatingitsqualityorconsistencyofqualityandindeterminingsuitabilityforenduse.Oneoftheimportantpropertiesisbulkdensitybecauseofitsrelationshiptoendproductquality,usage,andperformance.Therefractoriesproducercanusethistestmethodasoneofthequality-controltestsforhismanufacturedorminedrefractorygrainrawmaterialsorforevaluatingpotentialrefractorygrainrawmaterials.Fortherefractoriesconsumer,theprincipaluseofthistestmethodisintheevaluationofthequalityortheconsistencyofqualityofthegranularmaterialinpurchasedrefractorymixesorinbulkgranularrefractorymaterialsusedbytheconsumer.Thisisaprimarytestmethod,andthusissuitableforuseinspecifications,qualitycontrol,andresearchanddevelopment.Itcanalsoserveasarefereetestmethodinpurchasingcontractsoragreementsandasabasefordevelopmentofmorerapid,secondarytestmethodsforuseinqualitycontrolonmanufacturedrefractoryrawmaterials.Fundamentalassumptionsinherentinthistestmethodarethatthesampleisrepresentativeofthematerialingeneral,theparticlesizeofthesampleiswithintherangespecifiedbythetestmethod,thematerialisnotreadilyhydratable,andthesizeandquantityofporesinthematerialpermitsremovalofsurfacewaterwithoutdrainagefromtheporesthemselves.Deviationfromanyoftheseassumptionsnegatestheusefulnessofthetestresults.Ininterpretingtheresultsofthistestmethod,itmustberecognizedthatthespecificgravityofthematerialaswellastheporosityaffectsthevalueobtainedforbulkdensity.Thus,comparisonsofresultsshouldonlybemadebetweenlikematerialsorwithfullrecognitionofinherentdifferencesbetweenthematerialsbeingcompared.1.1Thistestmethodcoversaprocedurefordeterminingthebulkdensityofgranularrefractorymaterials,commercialproductswhichusuallyhaveparticlesthatareretainedona0.265-in.(6.7-mm)orcoarsersieve.Note18212;Thistestmethodisnotsuitableformaterialsthathydrateinboilingwater.1.2Units8212;Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.2.1Exceptions8212;InSections4,7,and8,theapparatususedisonlyavailableinSIunits.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Specificationforcastironplugvalves
【原文标准名称】:铸铁旋塞阀规范
【标准号】:BS5158-1989
【标准状态】:现行
【国别】:英国
【发布日期】:1989-09-29
【实施或试行日期】:1989-09-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:流体设备;铸铁;等级(质量);压力;阀门部件;作标记;尺寸;尺寸;温度;抗静电材料;设计;额定值;阀门;旋塞阀
【英文主题词】:Antistaticmaterials;Cast-iron;Design;Dimensions;Fluidequipment;Grades(quality);Marking;Plugvalves;Pressure;Ratings;Size;Temperature;Valvecomponents;Valves
【摘要】:Pressure/temperatureratings,materials,design,dimensions,operation,performance,testingandmarkingoflubricatedandsoftseatedandlinedvalveshavinganti-staticrequirements.Short,regularandventuripatternvalvesarecoveredinsizesuptoDN600withpressuredesignationsPN10,PN16andPN25,alsoClassdesignations125,150,250and300.
【中国标准分类号】:J16
【国际标准分类号】:23_060_20
【页数】:20P;A4
【正文语种】:英语