BS EN ISO 22391-2-2009 冷热水装置用塑料管道系统.耐升温的聚乙烯(PE-RT).管道

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【英文标准名称】:Plasticspipingsystemsforhotandcoldwaterinstallations-Polyethyleneofraisedtemperatureresistance(PE-RT)-Pipes
【原文标准名称】:冷热水装置用塑料管道系统.耐升温的聚乙烯(PE-RT).管道
【标准号】:BSENISO22391-2-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-01-31
【实施或试行日期】:2010-01-31
【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】:化学性质;冷水管;直径;尺寸;高架的;几何特性;处理;材料;机械性能;不透明度;聚乙烯(PE);物理性能;管直径;管;管系统;塑料管道;塑料管;塑料;聚乙烯;耐力;卫生装置;规范(验收);温度;温度稳定性;温水;热水供应;给水
【英文主题词】:Chemicalproperties;Coldwaterconduit;Diameter;Dimensions;Elevated;Geometricalproperties;Marking;Materials;Mechanicalproperties;Opacity;PE;Physicalproperties;Pipediameters;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyethylene;Resistance;Sanitaryinstallation;Specification(approval);Temperature;Temperaturestability;Warmwater;Warmwatersupply;Watersupply
【摘要】:ThispartofISO22391specifiesthecharacteristicsofpipemadeof-polyethyleneofraisedtemperatureresistance(PE-RT),TypeI,and-polyethyleneofraisedtemperatureresistance(PE-RT),TypeII,intendedtobeusedforhotandcoldwaterinstallationswithinbuildingsfortheconveyanceofwater,whetherornotthewaterisintendedforhumanconsumption(domesticsystems)andforheatingsystems,underthedesignpressuresandtemperaturesappropriatetotheclassofapplicationaccordingtoISO22391-1.ThispartofISO22391coversarangeofserviceconditions(classesofapplication),designpressuresandpipedimensionclasses,andalsospecifiestestparametersandtestmethods.InconjunctionwiththeotherpartsofISO22391,itisapplicabletoPE-RTpipes,fittings,theirjoints,andtojointshavingcomponentsofPE-RT,aswellasofotherplasticsandnon-plasticsmaterials,respectively,usedforhotandcoldwaterinstallations.Itisapplicabletopipeswithorwithoutabarrierlayerorlayers.Itisnotapplicabletovaluesofdesigntemperature,maximumdesigntemperatureormalfunctiontemperatureinexcessofthosespecifiedinISO22391-1.NOTEItistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20;91_140_60;93_025
【页数】:24P.;A4
【正文语种】:英语


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Product Code:SAE J1223
Title:Marine Carburetors and Fuel Injection Throttle Bodies
Issuing Committee:Marine Engine Fuel Systems Committee
Scope:This SAE Recommended Practice covers all carburetors and throttle bodies used on permanently installed gasoline marine engines.【英文标准名称】:Opticalfibres-Part1-34:Measurementmethodsandtestprocedures-Fibrecurl
【原文标准名称】:光学纤维.第1-34:部分:测量方法和试验程序.纤维卷曲
【标准号】:IEC60793-1-34-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86A
【标准类型】:()
【标准水平】:()
【中文主题词】:卷曲;尺寸;电缆;导电体;电气工程;纤维卷曲;光纤;总规范;玻璃纤维电缆;数学计算;测量;测量技术;光学测量;光波导;参数;特性;额定值;滚动试验;规范;规范(验收);绞接件;试验设备;试验
【英文主题词】:Bordeauxconnections;Curl;Curvature;Dimensions;Electriccables;Electricconductors;Electricalengineering;Fibrecurling;Fibreoptics;Genericspecification;Glassfibrecables;Mathematicalcalculations;Measurement;Measuringtechniques;Opticalmeasurement;Opticalwaveguides;Parameters;Properties;Ratings;Rollingtests;Specification;Specification(approval);Splices;Testequipment;Testing;Verification
【摘要】:ThispartofIEC60793establishesuniformrequirementsforthemechanicalcharacteristic:fibrecurlorlatentcurvature,inuncoatedopticalfibres.Fibrecurlhasbeenidentifiedasanimportantparameterforminimizingthesplicelossofopticalfibreswhenusingpassivealignmentfusionsplicersoractivealignmentmassfusionsplicers.Twomethodsarerecognizedforthemeasurementoffibrecurl,inuncoatedopticalfibres:?methodA:sideviewmicroscopy;?methodB:laserbeamscattering.Bothmethodsmeasuretheradiusofcurvatureofanuncoatedfibrebydeterminingtheamountofdeflectionthatoccursasanunsupportedfibreendisrotatedaboutthefibre'saxis.MethodAusesvisualordigitalvideomethodstodeterminethedeflectionofthefibrewhilemethodBusesalinesensortomeasurethemaximumdeflectionofonelaserbeamrelativetoareferencelaserbeam.Bymeasuringthedeflectionbehaviourofthefibreasitisrotatedaboutitsaxisandunderstandingthegeometryofthemeasuringdevice,thefibre'sradiusofcurvaturecanbecalculatedfromsimplecircularmodels,thederivationofwhicharegiveninAnnexC.BothmethodsareapplicabletotypesA1,A2,A3andBopticalfibresasdescribedintheIEC60793series.MethodAisthereferencetestmethod,usedtoresolvedisputes.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:33P.;A4
【正文语种】:英语