【英文标准名称】:Plasticspipingsystems-Polyethylene(PE)pipesandfittingsforwatersupply-General
【原文标准名称】:塑料管道系统.给水用聚乙烯(PE)管和管件.总则
【标准号】:BSISO4427-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【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】:定义;尺寸;管件;作标记;材料规范;PE;聚乙烯管道;管道配件;管;塑料管;聚乙烯;规范;输水管道;水管;给水
【英文主题词】:Definitions;Dimensions;Fittings;Marking;Materialsspecification;PE;PEpipes;Pipefittings;Pipes;Plasticpipes;Polyethylene;Specification;Waterpipelines;Waterpipes;Watersupply
【摘要】:ThispartofISO4427specifiesthegeneralaspectsofpolyethylene(PE)pipingsystems(mainsandservicepipes)intendedfortheconveyanceofwaterforhumanconsumption,includingrawwaterpriortotreatmentandwaterforgeneralpurposes.Italsospecifiesthetestparametersforthetestmethodstowhichitrefers.InconjunctionwiththeotherpartsofISO4427,itisapplicabletoPEpipes,fittings,theirjointsandtomechanicaljointswithcomponentsofothermaterials,intendedtobeusedunderthefollowingconditions:a)amaximumoperatingpressure(MOP)uptoandincluding25bar1);b)anoperatingtemperatureof20°Casthereferencetemperature.NOTE1Forapplicationsoperatingatconstanttemperaturesgreaterthan20°Candupto40°C,seeAnnexA.NOTE2ISO4427coversarangeofmaximumoperatingpressuresandgivesrequirementsconcerningcoloursandadditives.Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalguidanceorregulationsandinstallationpracticesorcodes.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20;23_040_45
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Circuitbreakers,three-pole,temperaturecompensated,ratedcurrents20Ato50A-Part001:Technicalspecification;GermanversionEN2665-001:1999
【原文标准名称】:航空航天系列.,额定电流为20A至50A的三极的温度补偿电路断路保护器.第001部分:交货规范
【标准号】:DINEN2665-001-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-08
【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】:航空运输;电气工程;交货条件;多语种的;电气保护设备;航空航天运输;航天运输;飞行器系统;名称与符号;飞行器部件;三极;作标记;额定电流
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Circuit-breakers;Connections;Currents;Deliveryconditions;Designations;Dimensions;Electricalengineering;Electricalpropertiesandphenomena;Electricalprotectionequipment;Electricalsystems;Environmentalcondition;Explosion-proof;Marking;Mass;Mechanicalproperties;Multilingual;Properties;Pulloperation;Pushoperation;Pushbuttons;Ratedcurrent;Spacetransport;Specification(approval);Switches;Switchgear;Temperature;Temperature-compensated;Three-pole;Tri-polecircuit-breakers;Weights
【摘要】:Thisdocumentspecifiestherequiredcharacteristicsforthree-poletemperaturecompensatedcircuitbreakerswithratedcurrentsfrom20Ato50Aforuseinaircraftelectricalsystems,atatemperaturebetween-55?and90?andatamaximumaltitudeofZ=15000m.ItshallbeusedtogetherwithEN2350.#,,#
【中国标准分类号】:V27
【国际标准分类号】:49_060
【页数】:11P.;A4
【正文语种】:德语