【英文标准名称】:Rotodynamicpumps-Hydraulicperformanceacceptancetests-Grades1and2
【原文标准名称】:回转动力泵液压性能验收试验等级1和2
【标准号】:ISO9906-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC115
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;泵;试验条件;效率;验收(鉴定);验收试验;离心泵;泵的扬程;流量率;性能试验;试验
【英文主题词】:Acceptance(approval);Acceptanceinspection;Acceptancespecification;Acceptancetests;Axial-flowpumps;Cavitation;Centrifugalpumps;Consumer-supplierrelations;Definitions;Deliveryconditions;Efficiency;Flowrate;Guarantees;Hydraulic;Measurement;Measuringaccuracy;Measuringtechniques;Mechanicalengineering;Performancetests;Powerdemand;Pumphead;Pumps;Radial-flowpumps;Rotationmeasurement;Rotationalspeeds;Specification(approval);Testconditions;Volumeflowmeasurement;Volumeflowrate
【摘要】:ThisInternationalStandardspecifieshydraulicperformancetestsforacceptanceofrotodynamicpumps(centrifugal,mixedflowandaxialpumps,hereinaftersimplydesignatedas"pumps").Itisapplicabletopumpsofanysizeandtoanypumpedliquidsbehavingascleancoldwater(suchasdefinedin5.4.5.2).Itisneitherconcernedwiththestructuraldetailsofthepumpnorwiththemechanicalpropertiesoftheircomponents.ThisInternationalStandardcontainstwogradesofaccuracyofmeasurement:grade1forhigheraccuracy,andgrade2forloweraccuracy.Thesegradesincludedifferentvaluesfortolerancefactors,forallowablefluctuationsanduncertaintiesofmeasurement.Forpumpsproducedinserieswithselectionmadefromtypicalperformancecurvesandforpumpsawithpowerinputoflessthan10kW,seeannexAforhighertolerancefactors.ThisInternationalStandardisapplicablebothtoapumpitselfwithoutanyfittingsandtoacombinationofapumpassociatedwithallorpartofitsupstreamand/ordownstreamfittings.
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:61P;A4
【正文语种】:英语


【英文标准名称】:Dimensionsofhalfpot-coresmadeofferriteforinductiveproximityswitches(IEC62323:2005);GermanversionEN62323:2005
【原文标准名称】:电感近接开关用铁氧体半壶形磁芯的尺寸
【标准号】:EN62323-2005
【标准状态】:现行
【国别】:
【发布日期】:2006-01
【实施或试行日期】:2006-01-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;电气工程;铁氧体磁心;铁氧体壶形磁芯;感应近接开关;电磁元件;壶形磁芯;近接开关;RM-磁芯;开关;公差(测量)
【英文主题词】:Dimensions;Electricalengineering;Ferritcores;Ferritepotcore;Inductiveproximityswitches;Magneticcomponents;Potcores;Proximityswitches;RM-cores;Switches;Tolerances(measurement)
【摘要】:
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:8P.;A4
【正文语种】:英语