SAE AIR1471 Torque Tightening Threaded Fasteners

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Product Code:SAE AIR1471
Title:Torque Tightening Threaded Fasteners
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:The purpose of this informational report is to provide the aerospace propulsion industry with recommended assembly torque limits for commonly used aircraft propulsion system threaded fasteners when a common torque value per fastener size is the objective.
【英文标准名称】:StandardPracticeforFabricationofThermalInsulatingFittingCoversforNPSPiping,andVesselLagging
【原文标准名称】:公称管道尺寸(NPS)的管道隔热配件覆盖物和容器绝热材料的制造用标准实施规程
【标准号】:ASTMC450-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-05-01
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thispracticeprovidestablesofdimensionsofpreformedinsulationthatshallbeusedinfabricatingcoversforuseonvalves,ells,tees,flanges,andvesselsinthepressurerangefrom150to1500psi(1to10MPa).Thesetables,whicharepartofthisstandard,arepublishedseparatelyastheASTMRecommendedDimensionalStandardsforFabricationofThermalInsulationFittingCoversforNPSPiping,andVesselLagging.ThetablesprovidedimensionsforuseinformingpipefittingcoversforNPSpipeoperatingathightemperatureandlowtemperature.Thetablesalsoincludedimensionsforuseinformingthermalinsulationintocurvedsegments,andlagging,forapplicationonvessels.Thispracticedoesnotapplytoreflective-typeinsulation.1.2Thispracticedoesnotspecifyfabricationmethods.Thermalinsulationforfittingcoversisformedbynumerousfabricationmethods.Ingeneral,insulationsarecutbycircularorbandsaws,shapedbygrindersormillers,ormolded.Eachmethodhascertainadvantagesanddisadvantages,dependinguponthematerialtobeformed,numberofcutsrequired,materialwastepermissible,andquantityoffittingsbeingproduced.Fittingpartsareassembledusingadhesivesandfabricationcementsappliedusingdippots,rollers,doctorblades,brush,ortrowel,dependinguponthematerialsbeingused.Anyspecificationofthefabricationtechniquesisbeyondthescopeofthisstandard.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-77:particularrequirementsforpedestriancontrolledmains-operatedlawnmowers.
【原文标准名称】:家用和类似用途电器.安全.第2-77部分:脚踏控制操作割草机的特殊要求
【标准号】:NFC73-877-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-07-01
【实施或试行日期】:2006-07-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;定义;电器设备;电动割草机;(电网)电源;电气工程;家用电器;脚致应力;园艺机具;家用设备;剪草机;电力操纵;电力网供电;机械性能;机械安全;普通控制系统;搂草割草机;旋转式割草机;安全;安全要求;规范(验收);稳定性;试验条件
【英文主题词】:Accidentprevention;Definition;Definitions;Electricappliances;Electrichouseholdappliance;Electriclawn-mowers;Electricmains;Electricalengineering;Electricalhouseholdappliances;Footactuation;Gardeningequipment;Householdequipment;Lawn-mowers;Mainsoperated;Mainspowersupply;Mechanicalproperties;Mechanicalsafety;Pedestrian-controlledsystems;Reelmowers;Rotarymowers;Safety;Safetyrequirements;Specification(approval);Stability;Testingconditions
【摘要】:
【中国标准分类号】:B91
【国际标准分类号】:65_060_70
【页数】:18P.;A4
【正文语种】:其他