JIS Z2315-1991 涡流探伤系统性能特征试验方法

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【英文标准名称】:Plasticspipingsystemsforhotandcoldwaterinstallations-Crosslinkedpolyethylene(PE-X)-Part2:Pipes
【原文标准名称】:冷热水装置用塑料管道系统.交联聚乙烯(PE-X).第2部分:管道
【标准号】:ISO15875-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12
【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/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料管;管;家用(安装)设备;焊接接头;公差(测量);给水;饮用水管线;定义;尺寸;水;化学性质;饮用水供给;建筑物服务设施;蠕变试验荷载;规范(验收);机械性能;装置;聚乙烯;试验;作标记;冷水;管系统;管联接器;温水;水管;PE-X;特性;制冷的;交联材料;交联;塑料管道;建筑物;可用水;物理性能;塑料;管道;使用条件;饮用水;水常规
【英文主题词】:Buildings;Chemicalproperties;Cold;Coldwater;Creeptestload;Cross-linked;Cross-linkedmaterials;Definitions;Dimensions;Drinkingwaterlines;Drinkingwatersupply;Houseinstallations;Installations;Marking;Mechanicalproperties;Operatingconditions;PE;PE-X;Physicalproperties;Pipecouplings;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyethylene;Potablewater;Properties;Serviceinstallationsinbuildings;Servicewater;Specification(approval);Testing;Tolerances(measurement);Warmwater;Water;Waterpipes;Waterpractice;Watersupply;Weldedjoints
【摘要】:ThisPartofENISO15875specifiesthecharacteristicsofpipesmadefromcrosslinkedpolyethylene(PE-X)forpipingsystemsintendedtobeusedforhotandcoldwaterinstallationswithinbuildingsfortheconveyanceofwater,whetherornotintendedforhumanconsumption(domesticsystems),andforheatingsystems,underdesignpressuresandtemperaturesappropriatetotheclassofapplication(seeTable1ofENISO15875-1:2003).Thisstandardcoversarangeofserviceconditions,(applicationclasses),designpressuresandpipedimensionclasses.ForvaluesofTD,TmaxandTmalinexcessofthoseinTable1ofPart1,thisstandarddoesnotapply.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.InconjunctionwiththeotherPartsofENISO15875(seeForeword)itisapplicabletoPE-Xpipes,theirjointsandtojointswithcomponentsofPE-X,otherplasticsandnon-plasticsmaterialsintendedtobeusedforhotandcoldwaterinstallations.Itisapplicabletopipeswithorwithout(a)barrierlayer(s).NOTE2Inthecaseofplasticspipesprovidedwithathinbarrierlayer,e.g.topreventorgreatlydiminishthediffusionofgasesandthetransmissionoflightintoorthroughthepipewall,thedesignstressrequirementsaretotallymetbythebasepolymer(PE-X).
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20
【页数】:13P;A4
【正文语种】:英语


【英文标准名称】:Specificationforsimpletelephonesforconnectiontopublicswitchedtelephonenetworksrunbycertainpublictelecommunicationoperators
【原文标准名称】:英国公共电话通信网控制的电话网连接用简易分机电话规范
【标准号】:BS6317-1982
【标准状态】:现行
【国别】:英国
【发布日期】:1982-07-31
【实施或试行日期】:1982-07-31
【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】:电话机;信号失真;试样制备;试验条件;使用说明;电压;简单;频率;乱真信号;电路;信号;电话设备;音量;试验设备;性能试验;通信设备;作标记;灵敏度;电气试验;冲击试验;声信号
【英文主题词】:communicationequipment;voltage;signaldistortion;acousticsignals;sensitivity;electricaltesting;telephones;instructionsforuse;signals;circuits;frequencies;simple;impacttesting;performancetesting;specimenpreparation;noise(spurioussignals);testequipment;testingconditions;marking;volume(sound);telephoneequipment
【摘要】:Requirementsforsimpletelephonesforconnectionassubscribers'apparatustoasingleexchangelineofthePSTN.Doesnotapplytoapparatusforconnectiontosharedservicelinesor1+1carriersystems.
【中国标准分类号】:M40
【国际标准分类号】:33_040_35
【页数】:60P.;A4
【正文语种】:英语