ASTM D 7425-2008 屋顶层用喷涂聚氨酯泡沫体的标准规范

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【英文标准名称】:Safetyandcontroldevicesforoilburnersandoil-burningappliances-Particularrequirements-Part1:Shut-offdevicesforoilburners
【原文标准名称】:燃油炉和燃油设备用安全和控制装置.特殊要求.第1部分:燃油炉的关闭装置
【标准号】:ISO23553-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC161
【标准类型】:()
【标准水平】:()
【中文主题词】:燃烧器;控制系统;关闭装置;定义;流量控制;流量调节阀;热工学;加热器;加热设备;检验;使用说明书;作标记;材料;燃油炉;燃油系统;燃油控制;燃油对流供暖;供油;燃油装置;安全;安全装置;安全工程;安全要求;安全关闭装置;规范(验收);截止阀;测试;热环境系统
【英文主题词】:Burners;Classification;Controlsystems;Cutoffs;Definitions;Design;Electromagneticcompatibility;EMC;Flowcontrol;Flowregulators;Heatengineering;Heaters;Heatingequipment;Inspection;Instructionsforuse;Marking;Materials;Oilburners;Oilburningsystems;Oilcontrol;Oilspaceheating;Oilsupplies;Oil-fuelleddevices;Operationalinstructions;Safety;Safetydevices;Safetyengineering;Safetyrequirements;Safetyshut-offdevices;Shut-offdevices;Specification(approval);Stopvalves;Testing;Thermalenvironmentsystems
【摘要】:ThispartofISO23553specifiessafety,constructionalandperformancerequirements,andtestingofsafetyshut-offdevices,forliquidfuels.ThispartofISO23553coverstypetestingonly.Itappliestosafetyshut-offdeviceswhich:-aredesignedase.g.automaticvalvesorfast-closingdevices;-areusedincombustionplantstointerrupttheflowofliquidfuelswithorwithoutdelayonclosingandwithorwithoutdelayonopening;-areforusewithfueloils;NOTEForotherliquidfuels,additionaltestmethodscanbeagreedbetweenthemanufacturerandthetestauthority.-formpartofadevicehavingotherfunction(s),suchasoilpumps.Inthiscasethetestmethodsapplytothosepartsorcomponentsofthedeviceformingthesafetyshut-offdevice,i.e.thosepartswhicharenecessaryfortheclosingfunction;-havedeclaredmaximumworkingpressuresuptoandincluding5000kPa,foruseonburnersorinappliancesusingliquidfuels;-aredirectlyorindirectlyoperatedelectricallyorbymechanicalorhydraulicmeans;-arefittedwithorwithoutclosed-positionindicatorswitches.ThemethodsoftestgiveninthispartofISO23553areintendedforproducttypetesting.
【中国标准分类号】:Q83
【国际标准分类号】:27_060_10
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforAirReleasePropertiesofPetroleumOils
【原文标准名称】:石油放气特性的标准试验方法
【标准号】:ASTMD3427-2007
【标准状态】:现行
【国别】:
【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】:D02.C0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:鼓泡试验;润滑剂;石油;石油产品;分离;测试
【英文主题词】:airentrainment;airreleasetime;gearoil;hydraulicoil;turbineoil;Airreleaseproperties;Gasturbinefueloils;Lubricatingoils
【摘要】:Agitationoflubricatingoilwithairinequipment,suchasbearings,couplings,gears,pumps,andoilreturnlines,mayproduceadispersionoffinelydividedairbubblesintheoil.Iftheresidencetimeinthereservoiristooshorttoallowtheairbubblestorisetotheoilsurface,amixtureofairandoilwillcirculatethroughthelubricatingoilsystem.Thismayresultinaninabilitytomaintainoilpressure(particularlywithcentrifugalpumps),incompleteoilfilmsinbearingsandgears,andpoorhydraulicsystemperformanceorfailure.Thistestmethodmeasuresthetimefortheentrainedaircontenttofalltotherelativelylowvalueof0.2%volumeunderastandardizedsetoftestconditionsandhencepermitsthecomparisonoftheabilityofoilstoseparateentrainedairunderconditionswhereaseparationtimeisavailable.Thesignificanceofthistestmethodhasnotbeenfullyestablished.However,entrainedaircancausesponginessandlackofsensitivityofthecontrolofturbineandhydraulicsystems.Thistestmaynotbesuitableforrankingoilsinapplicationswhereresidencetimesareshortandgascontentsarehigh.1.1Thistestmethodcoverstheabilityofturbine,hydraulic,andgearoilstoseparateentrainedair.Note18212;Thistestmethodwasdevelopedformineralbasedoils.Itmaybeusedforsomesyntheticfluids;however,theprecisionstatementappliesonlytopetroleumoils.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】: