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BS EN 13941-2009+A1-2010 区域供暖用预绝热连接管的设计与安装

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【英文标准名称】:Designandinstallationofpreinsulatedbondedpipesystemsfordistrictheating
【原文标准名称】:区域供暖用预绝热连接管的设计与安装
【标准号】:BSEN13941-2009+A1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【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】:符合夹套管;合成管;定义(术语);设计;远距离供热;区域供暖;热水供应网;安装;套管;鼓箍;长距离加热系统;材料;数学计算;聚乙烯(PE);管道敷设;管道系统;管道;管道工程系统;管系统;塑料;聚氨酯;规范(验收);钢管;钢管道;钢;测试;隔热;地下;配水;水管系统;水管
【英文主题词】:Compositejacketpipes;Compositetubes;Definitions;Design;Distantheating;Districtheating;Hotwaternetworks;Installations;Jackettubes;Laggingofadrum;Longdistanceheatingsystems;Materials;Mathematicalcalculations;PE;Pipelaying;Pipesystem;Pipelines;Pipeworksystems;Pipingsystem;Plastics;Polyurethane;Specification(approval);Steelpipes;Steeltubes;Steels;Testing;Thermalinsulation;Underground;Waterdistribution;Waterpipesystems;Waterpipes
【摘要】:ThisEuropeanStandardspecifiesrulesfordesign,calculationandinstallationforpreinsulatedbondedpipesystemsforburiedhotwaterdistributionandtransmissionnetworks(cf.Figure2)withpipeassembliesinaccordancewithEN253,forcontinuousoperationwithhotwateratvarioustemperaturesupto120oCandoccasionallywithpeaktemperaturesupto140oCandmaximuminternalpressure25bar(overpressure).Applicationrule:Forlargerpipedimensionsandpressuresbelow25barwallthicknessbiggerthanspecifiedinEN253canberequiredforstraightpipes,bendsandtees.Theprinciplesofthestandardcanbeappliedtopreinsulatedpipesystemswithpressureshigherthan25bar,providedthatspecialattentionispaidtotheeffectsofpressure.Adjacentpipesbelongingtothenetwork(e.g.pipesinducts,valvechambers,roadcrossingsabovegroundetc.)canbedesignedandinstalledaccordingtothisstandard.Thestandardassumesuseoftreatedwater,whichbysoftening,demineralisation,deaeration,addingofchemicals,orotherwisehasbeentreatedtopreventinternalcorrosionanddepositsinthepipes.Thisstandardisnotapplicableforsuchunitsas:a)pumps,b)exchangers,c)boilerinstallations,tankinstallations,d)consumerinstallations.However,thefullfunctionalabilityanddurabilityofsuchunitsshouldbeensuredinconsiderationoftheimpactsfromthedistrictheatingsystemandotherimpactsoccurringfromtheconditionsunderwhichtheyhavebeeninstalled.GuidelinesforproductqualityinspectionandinsitutestsofjointsaregiveninAnnexAofEN448-2009,AnnexDofEN253-2009,AnnexAofEN488-2009andAnnexBofEN489-2009.GuidelinesforweldingofpolyethylenecasingaregiveninAnnexBofEN448-2009.TheestimationofexpectedlifewithcontinuousoperationatvarioustemperaturesisoutlinedinAnnexBofEN253-2009.
【中国标准分类号】:Q83
【国际标准分类号】:91_140_10
【页数】:128P.;A4
【正文语种】:英语


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【英文标准名称】:Roundsteellinkchains-Part1:Grade5,mediumtolerance,tested
【原文标准名称】:圆钢链.第1部分:质量等级5,平均公差,经试验
【标准号】:DIN5687-1-1996
【标准状态】:现行
【国别】:德国
【发布日期】:1996-04
【实施或试行日期】:1996-04-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);机械性能;等级(质量);荷载能力;重量;特性;断裂荷载;线路间距;尺寸;安全工程;试验;钢;作标记;材料;圆钢链条;名称与符号;链式吊索;链条
【英文主题词】:weights;safetyengineering;marking;specification(approval);loadcapacity;testing;materials;steels;properties;dimensions;breakingload;linespacings;mechanicalproperties;roundsteelchains;chainslin
【摘要】:
【中国标准分类号】:Y71
【国际标准分类号】:53_020_30
【页数】:4P;A4
【正文语种】:德语


【英文标准名称】:Primary-coolantclean-upsysteminnuclearpowerplantswithlightwaterreactors
【原文标准名称】:轻水反应堆核电站的初级冷却液清洁系统
【标准号】:DIN25476-1987
【标准状态】:作废
【国别】:德国
【发布日期】:1987-04
【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】:冷却气流;定义;维修;装配;清洗及维修设施;核技术;清洁处理;辐射防护;安全工程;监督(认可);冷却系统;脱气(化工);核安全;核反应堆;冷却剂;核电厂;核电站;计划;清洁设备
【英文主题词】:radiationprotection;nuclearpowerplants;nuclear-electricpowerstations;nuclearsafety;nucleartechnology;safetyengineering;planning;installation;coolingdraughts;cleaning;degassing(chemicaltechnology);cleaningandmaintenancefacilities;coolants;plantsforcleaning;surveillance(approval);nuclearreactors;coolingsystems;maintenance;definitions
【摘要】:Thisstandardisintendedtoapplytothedesign,constructionandoperationofprimarycoolantclean-upplants(includingdegassing)innuclearpowerplantswithlightwaterreactors.Inthisfunctiontheplanthastoremovefissionandactivationproductsfromtheprimarycoolant;playapartinthemaintenanceofthewaterqualityspecified.;Thisstandardspecifiedtheboundaryconditionsforthedesign.Whenselectingthetypeoftreatment,familiarmethodssuchasion-exchange,filtrationanddegassingareused.#,,#
【中国标准分类号】:F09
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:德语