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SAE AMS2606 Pressure Testing, 70 Psi (Cancelled Feb 2004)

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Product Code:SAE AMS2606
Title:Pressure Testing, 70 Psi (Cancelled Feb 2004)
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope: This specification provides requirements and procedures for air-pressure leak testing of parts.
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【英文标准名称】:Fasteners;surfacediscontinuities;bolts,screwsandstudssubjecttospecialrequirements(ISO6157-3:1988);germanversionEN26157-3:1991
【原文标准名称】:紧固件.表面缺陷.特殊要求用螺栓、螺钉和螺柱
【标准号】:EN26157-3-1991
【标准状态】:现行
【国别】:
【发布日期】:1991-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螺钉;螺栓;表面不连续性;规范(批准);表面;缺陷与故障;裂纹;螺柱;紧固件
【英文主题词】:Bolts;Defects;Fasteners;Fits;Flaws;Screws(bolts);Specification(approval);Studs;Studs(fasteners);Surfacedefects;Surfacediscontinuities;Surfaces
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDissipationFactor(orPowerFactor)andRelativePermittivity(DielectricConstant)ofElectricalInsulatingLiquids
【原文标准名称】:电绝缘液体的损耗因数(或功率因数)和电容率(介电常数)的标准试验方法
【标准号】:ASTMD924-2008
【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】:D27.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dielectricconstant;dissipationfactor;powerfactor;relativehumidity;Dissipationfactor;Electricalinsulatingliquids;Permittivity(dielectricconstant)--electricalinsulatingmaterials
【摘要】:DissipationFactor(orPowerFactor)8212;Thisisameasureofthedielectriclossesinanelectricalinsulatingliquidwhenusedinanalternatingelectricfieldandoftheenergydissipatedasheat.Alowdissipationfactororpowerfactorindicateslowacdielectriclosses.Dissipationfactororpowerfactormaybeusefulasameansofqualitycontrol,andasanindicationofchangesinqualityresultingfromcontaminationanddeteriorationinserviceorasaresultofhandling.Thelosscharacteristiciscommonlymeasuredintermsofdissipationfactor(tangentofthelossangle)orofpowerfactor(sineofthelossangle)andmaybeexpressedasadecimalvalueorasapercentage.Fordecimalvaluesupto0.05,dissipationfactorandpowerfactorvaluesareequaltoeachotherwithinaboutonepartinonethousand.Ingeneral,sincethedissipationfactororpowerfactorofinsulatingoilsingoodconditionhavedecimalvaluesbelow0.005,thetwomeasurements(terms)maybeconsideredinterchangeable.Theexactrelationshipbetweendissipationfactor(D)andpowerfactor(PF)isgivenbythefollowingequations:ThereportedvalueofDorPFmaybeexpressedasadecimalvalueorasapercentage.Forexample:RelativePermittivity(DielectricConstant)8212;Insulatingliquidsareusedingeneraleithertoinsulatecomponentsofanelectricalnetworkfromeachotherandfromground,aloneorincombinationwithsolidinsulatingmaterials,ortofunctionasthedielectricofacapacitor.Forthefirstuse,alowvalueofrelativepermittivityisoftendesirableinordertohavethecapacitancebeassmallaspossible,consistentwithacceptablechemicalandheattransferproperties.However,anintermediatevalueofrelativepermittivitymaysometimesbeadvantageousinachievingabettervoltagedistributionofa-celectricfieldsbetweentheliquidandsolidinsulatingmaterialswithwhichtheliquidmaybeinseries.Whenusedasthedielectricinacapacitor,itisdesirabletohaveahighervalueofrelativepermittivitysothephysicalsizeofthecapacitormaybeassmallaspossible.TheoryrelatingtodielectricmeasurementtechniquesandtosourcesofdielectriclossisgiveninTestMethodsD150.1.1Thistestmethoddescribestestingofnewelectricalinsulatingliquidsaswellasliquidsinserviceorsubsequenttoserviceincables,transformers,oilcircuitbreakers,andotherelectricalapparatus.1.2Thistestmethodprovidesaprocedureformakingrefereetestsatacommercialfrequencyofbetween45and65Hz.1.3Whereitisdesiredtomakeroutinedeterminationsrequiringlessaccuracy,certainmodificationstothistestmethodarepermittedasdescribedinSections16to24.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Specificwarningsaregivenin11.3.3.1.5MercuryhasbeendesignatedbytheEPAandmanystateagenciesasahazardousmaterialthatcancausenervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercury......
【中国标准分类号】:K15
【国际标准分类号】:29_040_10
【页数】:7P.;A4
【正文语种】:英语