ASTM D 4221-1990 用双倍流体比重计测定粘土的分散特性的试验方法

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【英文标准名称】:Pipesandfittingsoflongitudinallyweldedstainlesssteelpipeswithspigotandsocketforwastewatersystems-Part3:SystemX-Dimensions;GermanversionEN1124-3:2008
【原文标准名称】:废水系统用带套管和座孔的纵向焊接不锈钢管和配件.第3部分:X系统.尺寸
【标准号】:DINEN1124-3-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:管弯头;连接件;连接器;防腐蚀;名称与符号;尺寸;配件;极限偏差;气体密封件;管道;管;密封件;污水;污水管;污水工程;下水道;管套;座孔;规范(验收);不锈钢;钢管;钢;公差(测量);水常规
【英文主题词】:Bends;Connections;Connectors;Corrosionprotection;Designations;Dimensions;Fittings;Limitdeviations;Odorseals;Pipelines;Pipes;Seals;Sewage;Sewerpipes;Sewerage;Sewers;Sleeves;Sockets;Specification(approval);Stainlesssteels;Steelpipes;Steels;Tolerances(measurement);Waterpractice
【摘要】:ThisEuropeanStandardisapplicabletopipesandfittingsoflongitudinallyweldedstainlesssteelpipeswithspigotandsocketforwastewatersystems.Itspecifiesdimensionsandtolerancesforpipes,fittings,pipeconnectorsandsealsoftheSystemXandestablishesasystemofdesignationsforthedifferentpipeandfittingtypesthatconformtothestatedrequirements.NOTESystemXisasystemofpipesandfittingsoflongitudinallyweldedstainlesssteelpipeswithtwo-stepsockets.ThisEuropeanStandardisonlyvalidinconnectionwithEN1124-1.ThisEuropeanStandarddoesnotapplytothemarkingofproducts.EN1124-1appliestothemarking.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_10;23_040_40
【页数】:41P.;A4
【正文语种】:德语


【英文标准名称】:Methodforthedeterminationoftheproofandthecomparativetrackingindicesofsolidinsulatingmaterials
【原文标准名称】:固体绝缘材料的比较起痕指数和验证指数的测定方法
【标准号】:BSEN60112-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-05-14
【实施或试行日期】:2003-05-14
【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】:材料;测定;试验;电气工程;泄漏电流;漏电路径;加速度试验;电绝缘材料;跟踪系数;爬电距离;索引;绝缘;定义;绝缘材料
【英文主题词】:Acceleratedtesting;Creepagedistances;Definition;Definitions;Determination;Electricalengineering;Electricalinsulatingmaterials;Indexes;Indices;Insulatingmaterials;Insulations;Leakagecurrents;Leakagepaths;Materials;Testing;Trackingindex
【摘要】:ThisInternationalstandardspecifiesthemethodoftestforthedeterminationoftheproofandcomparativetrackingindicesofsolidinsulatingmaterialsonpiecestakenfrompartsofequipmentandonplaquesofmaterialusingalternatingvoltages.Thestandardprovidesforthedeterminationoferosionwhenrequired.NOTE1Theprooftrackingindexisusedasanacceptancecriterionaswellasameansforthequalitycontrolofmaterialsandfabricatedparts.Thecomparativetrackingindexismainlyusedforthebasiccharacterizationandcomparisonofthepropertiesofmaterials.Testresultscannotbeuseddirectlyfortheevaluationofsafecreepagedistanceswhendesigningelectricalapparatus.NOTE2Thistestdiscriminatesbetweenmaterialswithrelativelypoorresistancetotracking,andthosewithmoderateorgoodresistance,foruseinequipmentwhichcanbeusedundermoistconditions.Moreseveretests,oflongerdurationarerequiredfortheassessmentofperformanceofmaterialsforoutdooruse,utilizinghighervoltagesandlargertestspecimens(seetheinclinedplanetestofIEC60587).Othertestmethodssuchastheinclinedmethodmayrankmaterialsinadifferentorderfromthedroptestgiveninthisstandard.
【中国标准分类号】:K15
【国际标准分类号】:29_035_01
【页数】:24P.;A4
【正文语种】:英语