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IEC 60079-30-1-2007 易爆气体.第30-1部分:电阻丝加热.总则和试验要求

作者:标准资料网 时间:2024-05-18 03:05:13  浏览:9574   来源:标准资料网
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【英文标准名称】:Explosiveatmospheres-Part30-1:Electricalresistancetraceheating-Generalandtestingrequirements
【原文标准名称】:易爆气体.第30-1部分:电阻丝加热.总则和试验要求
【标准号】:IEC60079-30-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-01
【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/TC31
【标准类型】:()
【标准水平】:()
【中文主题词】:辅助加热;定义;电气工程;电阻;电驱动装置;防爆;爆炸安全性;爆炸性环境;易燃性;易爆气体;加热设备;耐水解;冲击试验;作标记;防护电气设备;合格试验;规范(验收);试验;试验要求;电阻丝加热系统
【英文主题词】:Additionalheating;Atmosphere;Definitions;Electricspaceheating;Electricalengineering;Electricalresistance;Electrically-operateddevices;Explosionprotection;Explosionsecurity;Explosive;Explosiveatmospheres;Firebars;Flammability;Flammableatmospheres;Gasexplosion;Heatingequipment;Hydrolyticresistance;Impacttesting;Marking;Protectedelectricalequipment;Qualificationtests;Specification(approval);Surfaceheatingsystems;Testing;Testingrequirements;Traceheatingsystems
【摘要】:ThispartofIEC60079specifiesgeneralandtestingrequirementsforelectricalresistancetraceheatersforapplicationinexplosivegasatmospheres.Thestandardcoverstraceheatersthatmaycompriseeitherfactory-orfield-(work-site)assembledunits,andwhichmaybeseriesheatingcables,parallelheatingcablesorheatingpadsandheatingpanelsthathavebeenassembledand/orterminatedinaccordancewiththemanufacturer’sinstructions.Thisstandardalsoincludesrequirementsforterminationassembliesandcontrolmethodsusedwithtraceheating.ThehazardousareasreferredtobythisstandardarethosedefinedinIEC60079-10.WherearequirementofthisstandardconflictswitharequirementofIEC60079-0,therequirementofthisstandardshalltakeprecedence.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:53P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforAbrasionResistanceofLeather(RotaryPlatform,Double-HeadMethod)
【原文标准名称】:皮革的耐摩擦标准试验方法(旋转平台和双头法)
【标准号】:ASTMD7255-2006e1
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D31.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗磨性;皮革;平台;试验
【英文主题词】:abraser;abrasion;abrasionresistance;leather;rotaryplatform;wear
【摘要】:Theresistanceofleathertoabrasion,asmeasuredonatestingmachineinthelaboratory,isgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofabrasioncycles)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentendusesanddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Thistestmethodprovidesacomparativerankingofmaterialperformance,whichcanbeusedasanindicationofrelativeend-useperformance.Theresistanceofleathertoabrasionmaybeaffectedbyfactorsincludingtestconditions,typeofabradant,pressurebetweenthespecimenandabradant,mountingortensionofthespecimen,andtype,kind,oramountoffinishingmaterials.Abrasiontestsutilizingtherotaryplatform,double-headtestermaybesubjecttovariationduetochangesintheabradantduringspecifictests.Dependingonabradanttypeandtestspecimen,thewheelsurfacemaychange(thatis,becomeclogged)duetothepickupoffinishingorothermaterialsfromtestspecimensandmustbecleanedatregularlydefinedintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.1.1Thistestmethodcoversthedeterminationoftheabrasionresistanceofleatherusingtherotaryplatform,double-headtester(RPDH).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_01
【页数】:6P.;A4
【正文语种】:



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