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SY/T 6112-1994 石油钻采设备用气动元件 调压阀

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基本信息
标准名称:石油钻采设备用气动元件 调压阀
中标分类:
替代情况:被SY/T 5027-2006代替
发布日期:1995-01-18
实施日期:1995-07-01
首发日期:1900-01-01
作废日期:2007-04-01
出版社:石油工业出版社
出版日期:1995-07-01
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【英文标准名称】:Railwayapplications-Rollingstockequipment-Shockandvibrationtests
【原文标准名称】:轨道交通机车车辆设备冲击和振动试验
【标准号】:IEC61373-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:交通车辆;铁路用;振动试验;电力牵引;电气工程;电驱动装置;铁路;认证;运载工具;冲击试验;设备;铁路车辆;铁道车辆;电气设备;试验
【英文主题词】:Certification;Electrictraction;Electricalengineering;Electricalequipment;Electrically-operateddevices;Equipment;Railwayapplications;Railwayvehicles;Railways;Randomvariable;Rollingstocks;Shocktests;Shocks;Testing;Trafficvehicles;Vehicles;Vibration;Vibrationtests
【摘要】:ThisInternationalStandardspecifiestherequirementsfortestingitemsofequipmentintendedforuseonrailwayvehicleswhicharesubsequentlysubjectedtovibrationsandshockowingtothenatureofrailwayoperationalenvironment.Togainassurancethatthequalityoftheitemisacceptable,ithastowithstandtestsofreasonabledurationthatsimulatetheserviceconditionsseenthroughoutitsexpectedlife.Simulatedlong-lifetestingcanbeachievedinanumberofwayseachhavingtheirassociatedadvantagesanddisadvantages,thefollowingbeingthemostcommon:a)amplification:wheretheamplitudesareincreasedandthetimebasedecreased;b)timecompression:wheretheamplitudehistoryisretainedandthetimebaseisdecreased;c)decimation:wheretimeslicesofthehistoricaldataareremovedwhentheamplitudesarebelowaspecifiedthresholdvalue.Theamplificationmethodasstatedina)above,isusedinthisstandardandtogetherwiththepublicationsreferredtoinclause2;itdefinesthedefaulttestproceduretobefollowedwhenvibrationtestingitemsforuseonrailwayvehicles.However,otherstandardsdoexistandmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Insuchcasesattestationoftestingagainstthisstandardwillnotapply.WhereserviceinformationisavailablecomparisonwiththestandardcanbeperformedusingthemethodoutlinedinannexA.Whilstthisstandardisprimarilyconcernedwithrailwayvehiclesonfixedrailsystems,itswideruseisnotprecluded.Forsystemsoperatingonpneumatictyres,orothertransportationsystemssuchastrolleybuses,wherethelevelofshockandvibrationclearlydifferfromthoseobtainedonfixedrailsystems,thesupplierandcustomercanagreeatthetenderstage,thetestlevels.Itisrecommendedthatthefrequencyspectraandtheshockduration/amplitudebedeterminedusingtheguidelinessetoutinannexA.Itemstestedatlevelsoutsidethosequotedinthisstandardcannotbecertifiedagainsttherequirementsofthisstandard.Anexampleofthisistrolleybuses,wherebybody-mountedtrolleybusequipmentcouldbetestedinaccordancewithcategory1equipmentreferredtointhestandard.Thisstandardappliestosingleaxistesting.Multi-axistestingisoutsidethescopeofthisstandard.Thetestvaluesquotedinthisstandardhavebeendividedintothreecategoriesdependentonlyupontheequipment'slocationwithinthevehicle.Category1BodymountedClassACubicles,subassemblies,equipmentandcomponentsmounteddirectlyonorunderthecarbody.ClassBAnythingmountedinsideanequipmentcasewhichisinturnmounteddirectlyonorunderthecarbody.NOTE-ClassBshouldbeusedwhenitisnotclearwheretheequipmentistobelocated.
【中国标准分类号】:S10
【国际标准分类号】:17_160;45_060_01
【页数】:30P.;A4
【正文语种】:英语


【英文标准名称】:Electricalapparatusforexplosivegasatmospheres-Part25:intrinsicallysafesystems.
【原文标准名称】:爆炸性气体环境用电气设备.第25部分:自身安全系统
【标准号】:NFC23-579-25-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-05-01
【实施或试行日期】:2004-05-05
【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】:类别;自身安全;试验;电气布线系统;电气工程;电路;定义;接地;电缆;保护形式;爆炸危险;装置;可燃性环境;作标记;i型防护电气设备;设计;本质安全型电气设备;分类;评定;安全工程;电驱动装置;防爆;文献工作;爆炸;爆炸区域;防护等级;额定值;描述
【英文主题词】:Cables;Categories;Circuits;Classification;Definition;Definitions;Degreesofprotection;Descriptions;Design;Documentations;Earthing;Electricwiringsystems;Electricalengineering;Electrically-operateddevices;Evaluations;Explosionarea;Explosionhazard;Explosionprotection;Explosions;Flammableatmospheres;Installations;Intrinsicsafety;Intrinsicallysafeelectricaldevices;Marking;Ratings;Safetyengineering;Testing;Typeiprotectedelectricalequipment;Typeofprotection
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:67P.;A4
【正文语种】:其他



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