ANSI C37.50-1989 开关设备.封装式低压交流电力线路断路器.试验程序

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【英文标准名称】:Switchgear-Low-VoltageACPowerCircuitBreakersUsedinEnclosures-TestProcedures
【原文标准名称】:开关设备.封装式低压交流电力线路断路器.试验程序
【标准号】:ANSIC37.50-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:开关设备;试验;断路器;低压设备
【英文主题词】:Circuit-breakers;Low-voltageequipment;Switchgear;Testing
【摘要】:Coversthetestproceduresforenclosedlow-voltageacpowercircuitbreakers.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:27P.;A4
【正文语种】:英语


【英文标准名称】:Cuttingtools-Carbide-tippedmasonrydrillsandblanksforcarbide-tippedmasonrydrills
【原文标准名称】:切削工具.硬质合金镶嵌钻头的砖砌体钻及其砖砌体钻的毛坯
【标准号】:ANSIB212.15-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:硬质合金刀片;硬质合金刀具;切削工具;定义;名称与符号;尺寸规格;钻床;锤钻;砖石工程;砌体钻
【英文主题词】:Carbideinserts;Carbidetools;Cuttingtools;Definitions;Designations;Dimensions;Drillingmachines;Hammerdrilling;Masonry;Masonrydrills
【摘要】:Coversdimensionalspecificationsanddesignationsforcarbide-tippedmasonrydrills,blanksforcarbide-tippedmasonrydrills,andblanksforrotaryhammerdrills.
【中国标准分类号】:J41
【国际标准分类号】:25_100_30
【页数】:13P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforWaterPenetrationofMetalRoofPanelSystemsbyStaticWaterPressureHead
【原文标准名称】:通过静水压头测试金属屋顶格间水渗透性的标准试验方法
【标准号】:ASTME2140-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:E06.57
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:endlap;metalpanel;roof;roofpanel;sideseam;staticwaterpressure;water;waterleakage;waterpenetration
【摘要】:Thistestmethodisastandardprocedurefordeterminingwaterleakagethroughmetalroofpanelsystemsideseams,endlaps,androofplanepenetrationswhentheroofsystemissubjectedtoaspecifiedstaticwaterpressurehead.Note28212;Inapplyingtheresultsoftestsbythismethod,notethattheperformanceofarooforitscomponentsorboth,isinpartafunctionofproperinstallationandadjustment.Inservice,theperformancewillalsodependontheintegrityofthesupportingconstruction,roofslope,andontheresistanceofcomponentstodeteriorationbyvariouscauses:corrosiveatmosphere,aging,ice,vibration,thermalcycling,etc.Itisdifficulttosimulatetheidenticalcomplexwetting,agingandothervariableconditionsthatcanbeencounteredinservice,includingwind-blownpondedwater,theeffectsoftemperatureandageonsealantperformance,differentialpressureacrossthejointsduetowind,snowandiceaccumulation,densificationandmigration,andabrasionswithinthejointcomponentswhichmayoccurduringthermalcyclingandotherweatherevents.Somejointconditionsaremoresensitivethanotherstothesefactors.Thistestmethodwillevaluatetheresistanceofroofpanels,sideseams,endlaps,androofplanepenetrationstowatersubmersion.Itwillnotevaluatepanelresistancetowinddrivenrain.Note38212;SeeE1646foratestwhichevaluatesresistancetowinddrivenrain.Thistestmethodisnotastructuraladequacytest.Thistestmethodisapplicabletosingleskinmetalpanels,theexteriorskinoffactoryassembledcompositepanels,andtheexteriorskinoffieldassembledcompositesystemsaslongasmeanscanbeprovidedtodistinguishleakagethroughtheexteriorpanelsideseams/endlapsandperimeterleakage.1.1ThisLaboratorytestmethodcoversthedeterminationoftheresistancetowaterpenetrationofexteriormetalroofpanelsystemsideseams,endlaps,androofplanepenetrationswhenaspecifiedstaticwaterpressureheadisappliedtotheoutsidefaceoftheroofpanel.Note1Thistestmethodisintendedtoevaluatewater-barrier(notwater-shedding)roofsystemjointsanddetails.Thesesystemsarealsoreferredtoashydrostaticroofsystems.1.2Thistestmethodislimitedtospecimensinwhichthesideseamsandattachmentsareclearlyvisibleandinwhichthesourceofleakageisreadilyobservable.1.3Thistestmethodexcludesperformanceatroofperimeterconditions.1.4Thistestmethodissuitableforevaluatingleakageatroofplanepenetrationssuchasfasteners,curbs,pipesandexpansionjointsunderastaticwaterpressurehead.1.5Theproperuseofthistestmethodrequiresaknowledgeoftheprinciplesofwaterpressure.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIequivalentsofinch-poundunitsareapproximate.1.7Thetextofthisstandardincludesnotesandfootnotesexcludingtablesandfigures,whichprovideexplanatorymaterial.Thesenotesandfootnotesshallnotbeconsideredasrequirementsofthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection.
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:4P.;A4
【正文语种】: