【英文标准名称】:Plasticspipingsystemsfornon-pressureundergrounddrainageandsewerage-Unplasticizedpoly(vinylchloride)(PVC-U)-Specificationsforpipes,fittingsandthesystem
【原文标准名称】:不承压地下雨水管和污水管用塑料管道系统.未增塑聚氯乙烯(PVC-U).管道、配件和系统规范
【标准号】:BSEN1401-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【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】:聚乙烯管;未增塑聚氯乙烯;未增塑聚氯乙烯;降低压力的;下水道;塑料管;污水;管道;配件;管系统;材料;定义;总论;塑料;规范(验收);聚氯乙烯;地下装置;不增塑的;组件
【英文主题词】:Components;Definitions;Depressurized;Fittings;Generalsection;Materials;Pipelines;Pipingsystem;Plasticpipes;Plastictubes;Plastics;Polyvinylchloride;PVC-pipes;PVC-U;Sewage;Sewers;Specification(approval);Undergroundinstallations;Unplasticized;Unplasticizedpolyvinylchloride
【摘要】:ThispartofEN1401specifiestherequirementsforpipes,fittingsandthesystemofunplasticizedpoly(vinylchloride)(PVC-U)pipingsystemsinthefieldofnon-pressureundergrounddrainageandsewerage:—outsidethebuildingstructure(applicationareacode"U");and—bothburiedingroundwithinthebuildingstructure(applicationareacode"D")andoutsidethebuilding.Thisisreflectedinthemarkingofproductsby"U"and"UD".Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.Thisstandardcoversarangeofnominalsizes,arangeofpipesandfittingsseriesandarangeofstiffnessclassesandgivesrecommendationsconcerningcolours.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.Inconjunctionwithpart2andpart3ofEN1401itisapplicabletoPVC-Upipesandfittings,theirjoints,andtojointswithcomponentsofotherplasticsandnon-plasticsmaterialsintendedtobeusedforburiedpipingsystemsfornon-pressureundergrounddrainageandsewerage.ThisstandardisapplicabletoPVC-Upipeswithoutasocketaswellaspipeswithanintegralsocket.Thefittingscanbemanufacturedbyinjection-mouldingorbefabricatedfrompipesand/ormouldings.Requirementsandlimitingvaluesforapplicationareacode"D"aregiveninTable4,Table6,Table13andTable15.NOTE2Pipes,fittingsandothercomponentsconformingtoanyoftheplasticsproductstandardslistedinannexCcanbeusedwithpipesandfittingsconformingtothisstandard,providedtheyconformtotherequirementsforjointdimensionsgiveninclause6andtotherequirementsofTable15.
【中国标准分类号】:P94
【国际标准分类号】:23_040_01
【页数】:36P;A4
【正文语种】:英语


【英文标准名称】:Specificationforeyepieceandscreengraticulesforthedeterminationoftheparticlesizeofpowders
【原文标准名称】:粉末粒度测定用目镜和网格分度镜规范
【标准号】:BS3625-1963
【标准状态】:现行
【国别】:英国
【发布日期】:1963-11-04
【实施或试行日期】:1963-11-04
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:设计;试验设备;粒度测量;粒度分布;粒状材料;光学测量;作标记;分度镜;圆;尺寸;栅格
【英文主题词】:Circles(geometry);Design;Dimensions;Graticules;Grilles;Marking;Opticalmeasurement;Particlesizedistribution;Particlesizemeasurement;Particulatematerials;Testequipment
【摘要】:DesignandconstructionofeyepieceandscreengraticulesforparticlesizeanalysisbytheopticalmicroscopemethodasdescribedinBS3406-4.
【中国标准分类号】:N32
【国际标准分类号】:17_180_30;19_120
【页数】:8P.;A4
【正文语种】:英语