【英文标准名称】:Plasticspipingsystems-Polyethylene(PE)pipesandfittingsforwatersupply-Part3:Fittings
【原文标准名称】:塑料管道系统.给水用聚乙烯(PE)管和管件.第3部分:管件
【标准号】:ISO4427-3-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-08-01
【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】:定义;尺寸;配件;几何特性;作标记;材料规范;机械特性;PE;聚乙烯管道;物理特性;管道配件;管;塑料管;塑料;聚乙烯;规范;输水管道;水管;给水
【英文主题词】:Definition;Definitions;Dimensions;Fittings;Geometricalproperties;Marking;Materialsspecification;Mechanicalproperties;PE;PEpipes;Physicalproperties;Pipefittings;Pipes;Plasticpipes;Plastics;Polyethylene;Specification;Waterpipelines;Waterpipes;Watersupply
【摘要】:ThispartofISO4427specifiesthegeneralaspectsoffittingsmadefrompolyethylene(PE)forpipingsystemsintendedfortheconveyanceofwaterforhumanconsumption,includingrawwaterpriortotreatmentandwaterforgeneralpurposes.Italsospecifiesthetestparametersforthetestmethodstowhichitrefers.InconjunctionwiththeotherpartsofISO4427,itisapplicabletoPEfittings,theirjoints,tojointswithcomponentsofPEandtojointswithmechanicalfittingsofothermaterials,intendedtobeusedunderthefollowingconditions:a)amaximumoperatingpressure(MOP)uptoandincluding25bar1);b)anoperatingtemperatureof20°Casthereferencetemperature.NOTE1Forapplicationsoperatingatconstanttemperaturesgreaterthan20°Candupto40°C,seeISO4427-1:2007,AnnexA.NOTE2ISO4427coversarangeofmaximumoperatingpressuresandgivesrequirementsconcerningcoloursandadditives.Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalguidanceorregulationsandinstallationpracticesorcodes.Itisapplicabletofittingsofthefollowingtypes:?fusionfittings—electrofusionfittings,buttfusionfittingsandsocketfusionfittings(seeAnnexA);?fabricatedfittings(seeAnnexB);?mechanicalfittings;?flangedfittings.1)1bar=0,1MPa=105Pa;1MPa=1N/mm2.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_45
【页数】:37P.;A4
【正文语种】:英语