Product Code:SAE AS84
Title:Splines, Involute (Full Fillet)
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This SAE Aerospace Standard (AS) defines an involute with a 30? pressure angle and a full radius at the roots thus reducing the stress concentration in the area of the root.
【英文标准名称】:StandardTestMethodforVaporPressureofLiquefiedPetroleumGases(LPG)(ExpansionMethod)
【原文标准名称】:液化石油气(LPG)蒸气压力测试验方法(膨胀法)
【标准号】:ASTMD6897-2003a
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:膨胀法;蒸气压力;石油;气体;液化气
【英文主题词】:expansionmethod;liquefiedpetroleumgas;vaporpressure
【摘要】:Informationonthevaporpressuresofliquefiedpetroleumgasispertinenttoselectionofproperlydesignedstoragevessels,shippingcontainers,andcustomerutilizationequipmenttoensuresafehandlingoftheseproducts.Determinationofthevaporpressureofliquefiedpetroleumgasisimportantforsafetyreasonstoensurethatthemaximumoperatingdesignpressuresofstorage,handling,andfuelsystemswillnotbeexceededundernormaloperatingtemperatureconditions.Forliquefiedpetroleumgases,vaporpressurecanbeconsideredasemi-quantitativemeasureoftheamountofthemostvolatilematerialpresentintheproduct.Thistestmethodusesasmallsamplevolumeandexcludesanymanualhandlingofameasuringchamberunderhighpressure.1.1Thistestmethodcoverstheuseofautomaticvaporpressureinstrumentstodeterminethevaporpressureofliquefiedpetroleumgasproductsatatemperatureof37.8176;C,vaportoliquidratioof0.5:1,andpressuresfrom200to1550kPaonasamplevolumeof3.33mL.1.2Thistestmethodisapplicabletothedeterminationofvaporpressuresofliquefiedpetroleumgasproductsattemperaturesfrom37.8to70176;C,vaportoliquidratiosof0.1:1to4:1,andpressuresupto3500kPa;however,theprecisionofthetestmethod(seeSection15)hasonlybeendeterminedforavaportoliquidratioof0.5:1,atatemperatureof37.8176;C,andapressurerangefrom300to1500kPa.Note18212;ThistestmethodisnotintendedtodeterminethetruevaporpressureofLPGsamples,butratherdetermineandreportthevaporpressureofLPGatthe37.8176;Ctemperatureand0.5:1vaportoliquidratioastheTestMethodD1267method.Note28212;Thistestmethodisnotatruevaporpressuremethodandwillnotmeasurethefullcontributionfromanydissolvedgasessuchasnitrogenorheliumiftheyarepresent.Thecontributionoflightgasestothemeasuredvaporpressureishighlydependentonthetesttemperature,typeofgas,andV/Lratioofthetest.AtaskgrouphasbeenformedtodetermineorquantifytheeffectthatthecontributionoflightgaseshaveonthemeasuredvaporpressureofLPGsampletypesasafunctionofthetesttemperature,typeofgas,andV/Lratioofthetest.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeAppendixX2.
【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】:
基本信息
| 标准名称： | 出口动植物油脂检验方法 第1部分：不溶性杂质 |
| 替代情况： | 替代SN/T 0801.1-1999 |
| 发布部门： | 国家质量监督检验检疫总局 |
| 发布日期： | 2012-05-07 |
| 实施日期： | 2012-11-16 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2012-11-16 |
适用范围
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