【英文标准名称】:Districtheatingpipes-Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks-Fittingassembliesofsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethylene
【原文标准名称】:区域供暖管道.直埋式热水供应网用预先绝热包覆的管道系统.聚氨基甲酸乙酯热绝缘和聚乙烯外覆层钢管用成套配件
【标准号】:BSEN448-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-02-27
【实施或试行日期】:2003-02-27
【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】:隔热;聚乙烯;管道;温水;配件;绝缘;水管;组合套管;密度;套管;定义;装箱;作标记;管道工程系统;硬质泡沫塑料;区域供暖;焊工工作;地下装置;长距离加热系统;焊接工艺;热水供应网;水管系统;鼓箍;管道系统;地下;尺寸;试验;组合管;远距离供热;规范(验收);监督(认可);管道配件;钢管;聚氨酯
【英文主题词】:Casing;Compositejacketpipes;Compositetubes;Definition;Definitions;Density;Dimensions;Distantheating;Districtheating;Fittings;Hotwaternetworks;Insulations;Jackettubes;Laggingofadrum;Longdistanceheatingsystems;Marking;Pipefittings;Pipesystem;Pipelines;Pipeworksystems;Polyethylene;Polyurethane;Rigidfoams;Specification(approval);Steelpipes;Surveillance(approval);Testing;Thermalinsulation;Underground;Undergroundinstallations;Warmwater;Waterpipesystems;Waterpipes;Weldingprocesses;Weldingwork
【摘要】:ThisEuropeanStandardspecifiesrequirementsandtestmethodsforfittingsofprefabricatedthermallyinsulatedpipe-in-pipeassembliescomprisingasteelservicefittingfromDN20toDN1200,rigidpolyurethanefoaminsulationandanoutercasingofpolyethyleneforuseindirectlyburiedhotwaternetworkswithpreinsulatedpipeassembliesinaccordancewithEN253.Thisstandardcoversthefollowingfittings:bends,T-pieces,reducersandanchors.Thisstandardappliesonlytoinsulatedfittingassembliesforcontinuousoperationwithhotwateratvarioustemperaturesinaccordancewithclause1ofEN253:2003.GuidelinesforqualityinspectionaregiveninannexAofthisstandard.ProceduresforPE-weldingaregiveninannexBofthisstandard.NOTEThisstandarddoesnotincluderulesforcalculationofloadsandstresses.
【中国标准分类号】:Q83
【国际标准分类号】:23_040_40
【页数】:32P;A4
【正文语种】:英语