基本信息
| 标准名称： | 35mm磁片的录音特性 |
| 中标分类： |
化工 >>
信息用化学品 >>
磁记录材料 |
| 替代情况： | 被GB/T 5875-1994代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1986-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
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所属分类： 化工 信息用化学品 磁记录材料
【英文标准名称】:Explosiveatmospheres-Part14:Electricalinstallationsdesign,selectionanderection
【原文标准名称】:爆炸性环境.电气装置设计、选择和安装
【标准号】:BSEN60079-14-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-01-31
【实施或试行日期】:2009-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;定义;设计;电器;电气工程;电气设备;电气装置;电驱动装置;安装;防爆;爆炸安全;爆炸性环境;防火外壳;可燃性环境;大气;危害;自身安全;加压;选择;规范(验收);d型防护电气设备;e型防护电气设备;i型防护电气设备;M型防护电气设备;n型防护电气设备;p型防护电气设备;PD型防护电气设备;TD型防护电气设备
【英文主题词】:Cables;Definition;Definitions;Design;Electricappliances;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Erection;Explosionprotection;Explosionsecurity;Explosiveatmospheres;Flameproofenclosures;Flammableatmospheres;Gasatmosphere;Hazards;Intrinsicsafety;Pressurizing;Selection;Specification(approval);Typedprotectedelectricalequipment;Typeeprotectedelectricalequipment;Typeiprotectedelectricalequipment;Typemprotectedelectricalequipment;Typenprotectedelectricalequipment;Typepprotectedelectricalequipment;TypepDprotectedelectricalequipment;TypetDprotectedelectricalequipment
【摘要】:ThispartofIEC60079containsthespecificrequirementsforthedesign,selectionanderectionofelectricalinstallationsinhazardousareasassociatedwithexplosiveatmospheres.Wheretheequipmentisrequiredtomeetotherenvironmentalconditions,forexample,protectionagainstingressofwaterandresistancetocorrosion,additionalmethodsofprotectionmaybenecessary.Themethodusedshouldnotadverselyaffecttheintegrityoftheenclosure.Therequirementsofthisstandardapplyonlytotheuseofequipmentundernormalornearnormalatmosphericconditions.Forotherconditions,additionalprecautionsmaybenecessary.Forexample,mostflammablematerialsandmanymaterialswhicharenormallyregardedasnon-flammablemightburnvigorouslyunderconditionsofoxygenenrichment.Otherprecautionsmightalsobenecessaryintheuseofequipmentunderconditionsofextremetemperatureandpressure.Suchprecautionsarebeyondthescopeofthisstandard.Theserequirementsareinadditiontotherequirementsforinstallationsinnon-hazardousareas.Thisstandardappliestoallelectricalequipmentincludingfixed,portable,transportableandpersonal,andinstallations,permanentortemporary.Itappliestoinstallationsatallvoltages.Thisstandarddoesnotapplyto–electricalinstallationsinminessusceptibletofiredamp;NOTEThisstandardmayapplytoelectricalinstallationsinmineswhereexplosivegasatmospheresotherthanfiredampmaybeformedandtoelectricalinstallationsinthesurfaceinstallationofmines.–inherentlyexplosivesituationsanddustfromexplosivesorpyrophoricsubstances(forexampleexplosivesmanufacturingandprocessing);–roomsusedformedicalpurposes;–electricalinstallationsinareaswherethehazardisduetohybridmixturesofcombustibledustandexplosivegas,vapourormist.Thisstandarddoesnottakeintoaccountofanyriskduetoanemissionofflammableortoxicgasfromthedust.
【中国标准分类号】:K35;K25
【国际标准分类号】:29_260_20
【页数】:102P.;A4
【正文语种】:英语