【英文标准名称】:Districtheatingpipes-Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks-Pipeassemblyofsteelservicepipe,polyurethanethermalinsulationandoutercasingofpolyethylene;GermanandEnglishversionEN253:2009
【原文标准名称】:区域供热管.直接铺设在地下的热水管路用预绝热复合管系统.由钢管,聚胺酯隔热和和聚乙酰外壳制成的复合管系,德文版本和英文版本EN253:2009
【标准号】:DINEN253-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【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】:装箱;;合成管;定义;耐久性;远距离供热;区域供暖;发泡剂;热水供应网;套管;鼓箍;长距离加热系统;处理;惰性气体铠装电弧焊;作标记;多语种的;管道系统;管道;远距离加热用管道;管道工程系统;聚乙烯;聚氨酯;壳;规范(验收);钢管;钢;钢管;试验;测试;痕量元素分析;绝热;隔热;地下;;水管
【英文主题词】:Casing;Compositejacketpipes;Compositetubes;Definitions;Distantheating;Districtheating;Foamingagents;Hotwaternetworks;Jackettubes;Laggingofadrum;Longdistanceheatingsystems;Marking;Multilingual;Pipesystem;Pipelines;Pipesforlongdistanceheating;Pipeworksystems;Polyethylene;Polyurethane;Shell;Specification(approval);Steelpipes;Steeltubes;Testing;Thermalinsulation;Underground;Waterpipesystems;Waterpipes
【摘要】:ThisEuropeanStandardspecifiesrequirementsandtestmethodsforstraightlengthsofprefabricatedthermallyinsulatedpipe-in-pipeassembliesfordirectlyburiedhotwaternetworks,comprisingasteelservicepipefromDN15toDN1200,rigidpolyurethanefoaminsulationandanoutercasingofpolyethylene.Thepipeassemblymayalsoincludethefollowingadditionalelements:measuringwires,spacersanddiffusionbarriers.Thisstandardappliesonlytoinsulatedpipeassemblies,forcontinuousoperationwithhotwateratvarioustemperaturesupto120℃andoccasionallywithapeaktemperatureupto140℃.TheestimationofexpectedthermallifewithcontinuousoperationatvarioustemperaturesisoutlinedinAnnexB.
【中国标准分类号】:Q83
【国际标准分类号】:23_040_10
【页数】:96P.;A4
【正文语种】: