【英文标准名称】:Codeofpracticeforselection,installationandmaintenanceofelectricalapparatusforuseinpotentiallyexplosiveatmospheres(otherthanminingapplicationsorexplosiveprocessingandmanufacture).Installationandmaintenancerequirementsforelect
【原文标准名称】:在潜在爆炸危险的环境中(采矿、爆破作业和炸药制造除外)使用的电气设备的选择、安装和维修实用规程.第4部分:防护"i"型电气设备的安装和维修的要求.带有安全装置的电气设备和系统
【标准号】:BS5345-4-1977
【标准状态】:作废
【国别】:英国
【发布日期】:1977-12-30
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:检验;电气试验;装配;电气设备;选择;爆炸性环境;i型防护电气设备;防护电气设备;接地
【英文主题词】:explosiveatmospheres;selection;installation;protectedelectricalequipment;earthing;typeiprotectedelectricalequipment;electricalequipment;electricaltesting;inspection
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:Plasticspipingsystemsfornon-pressureundergrounddrainageandsewerage-Polypropylene(PP)-Part1:Specificationsforpipes,fittingsandthesystem
【原文标准名称】:地下无压力排水和排污用塑料管道系统.聚丙烯(PP).第1部分:管道,配件和系统的规范
【标准号】:BSEN1852-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:定义;耐久性;定义(术语);降低压力的;测定;排水;配件;几何特性;处理;惰性气体铠装电弧焊;作标记;材料;机械性能;物理性能;管道装置;管线;管;管系统;塑料管道;塑料管;塑料;聚酯树脂;聚丙烯;聚丙烯;PP;污水;污水管;下水道;规范(验收);地下;水常规;水常规(实验)
【英文主题词】:Definitions;Depressurized;Determination;Drainage;Fittings;Geometricalproperties;Marking;Materials;Mechanicalproperties;Physicalproperties;Pipelineinstallations;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyesterresins;Polypropylene;PP;Sewage;Sewerpipes;Sewers;Specification(approval);Underground;Waterpractice
【摘要】:ThispartofEN1852specifiestherequirementsforsolidwallpipes,fittingsandthesystemofpolypropylene(PP)pipingsystemsintendedforusefor:?non-pressureundergrounddrainageandsewerageoutsidethebuildingstructure(applicationareacode"U"),and?non-pressureundergrounddrainageandsewerageforbothburiedingroundwithinthebuildingstructure(applicationareacode"D")andoutsidethebuildingstructure.Thisisreflectedinthemarkingofproductsby"U"and"UD".ThisstandardcoversPPmaterialswithoutmineralmodifiers.Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.Thisstandardcoversarangeofnominalsizes,andpipeseriesandgivesrecommendationsconcerningcolours.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.InconjunctionwithPart2andPart3ofEN1852itisapplicabletoPPpipesandfittings,theirjointsandtojointswithcomponentsofotherplasticsandnon-plasticsmaterialsintendedtobeusedforburiedpipingsystemsfornon-pressureundergrounddrainageandsewerage.ThisstandardisapplicabletoPPpipesandfittingswithorwithoutanintegralsocket.NOTE2Thefittingscanbemanufacturedbyinjection-mouldingorbefabricatedfrompipesand/ormouldings.NOTE3Requirementsandlimitingvaluesforapplicationareacode"D"aregiveninTable4,Table7andTable14.NOTE4Pipes,fittingsandothercomponentsconformingtoanyoftheplasticsproductstandardslistedinAnnexCcanbeconnectedtopipesandfittingsconformingtothisstandard,whentheyconformtotherequirementsforjointdimensionsgiveninClause6andtotherequirementsofTable14.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_01;23_040_20;93_030
【页数】:38P.;A4
【正文语种】:英语