NF E39-013-2011 区域供暖管道.直埋式热水供应网预隔热连接管道系统.聚氨酯绝热和聚乙烯外覆层钢管钢阀门组件.
时间:2024-05-15 18:42:22 来源: 标准资料网 作者：标准资料网 阅读：8920
【英文标准名称】:Districtheatingpipes-Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks-Steelvalveassemblyforsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethylene.
【原文标准名称】:区域供暖管道.直埋式热水供应网预隔热连接管道系统.聚氨酯绝热和聚乙烯外覆层钢管钢阀门组件.
【标准号】:NFE39-013-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-05-01
【实施或试行日期】:2011-05-13
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Air-conditioningsystems;Casing;Compositejacketpipes;Continuousoperation;Definitions;Design;Dimensions;Distantheating;Erecting(constructionoperation);Heatingengineering;Heatinginstallations;Hotwaternetworks;Insulations;Jackettubes;Laggingofadrum;Longdistanceheatingsystems;Maintenance;Marking;Pipesystem;Pipes;Pipingsystem;Plugvalves;Polyethylene;Polyurethane;Prefabricated;Resistance;Rigidfoams;Sheathedcables;Shut-offvalves;Specification(approval);Steelpipes;Steelvalve;Surveillance(approval);Testforces;Testmethods;Testing;Thermalinsulation;Tightness;Underground;Undergroundinstallations;Valves;Warmwater;Welding;Weldingwork
【摘要】:
【中国标准分类号】:Q76
【国际标准分类号】:23_060_01
【页数】:28P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodfor2,6-di-tert-Butyl-p-Cresoland2,6-di-tert-ButylPhenolinElectricalInsulatingOilbyInfraredAbsorption
【原文标准名称】:用红外线吸收法测定电绝缘油中2,6-二叔丁基对甲酚和2,6-二叔丁基对苯酚的标准试验方法
【标准号】:ASTMD2668-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D27.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:甲酚;含量测定;电气工程;电绝缘;红外线;绝缘液体;绝缘油;苯酚;测试
【英文主题词】:2,6-ditertiary-butylparacresol;2,6-ditertiary-butylphenol;electricalinsulatingoil;infraredabsorption;BHT(butylatedhydroxytoluene);2,6-ditert-Butylp-cresol/phenolcontent;Electricalinsulatingoils;Infrared(IR)analysis;Inf
【摘要】:Thequantitativedeterminationof2,6-ditertiary-butylparacresoland2,6-ditertiary-butylphenolinanewelectricalinsulatingoilmeasurestheamountofthismaterialthathasbeenaddedtotheoilasprotectionagainstoxidation.Inausedoilitmeasurestheamountremainingafteroxidationhasreduceditsconcentration.Thetestisalsosuitableformanufacturingcontrolandspecificationacceptance.Whenaninfraredspectrumisobtainedofanelectricalinsulatingoilinhibitedwitheitherofthesecompoundsthereisanincreaseinabsorbanceofthespectrumatseveralwavelengths(orwavenumbers).2,6ditertiary-butylparacresolproducespronouncedincreasesinabsorbanceat2.72x03BC;m(3650cmx2212;1),and11.63x03BC;m(860cmx2212;1).2,6ditertiary-butylphenolproducespronouncedincreasesinabsorbanceat2.72x03BC;m(3650cmx2212;1)and13.42x03BC;m(745cmx2212;1).Whenmakingthistestonotherthanahighlyoxidizedoilorwhenusingadouble-beamspectrophotometer,ithasbeenfoundconvenienttoobtainthespectrumbetween2.5x03BC;m(4000cmx2212;1)and2.9x03BC;m(3450cmx2212;1)becausetheinstrumentiscompensatedforthepresenceofmoistureandthebandisnotinfluencedbyintermolecularforces(associations).However,whentestingahighlyoxidizedoilorwhenusingasingle-beaminstrumentbetterresultsmaybeobtainedifthescanismadebetween10.90x03BC;m(918cmx2212;1)and14.00x03BC;m(714cmx2212;1).Increasedabsorptionat11.63x03BC;m(860cmx2212;1)or13.42x03BC;m(745cmx2212;1)orboth,willidentifytheinhibitoras2,6-ditertiary-butylparacresolor2,6-ditertiary-butylphenolrespectively(Note1).Note18212;Theabsorbanceat745cmx2212;1for2,6-ditertiary-butylphenolandat860cmx2212;1for2,6-ditertiary-butylparacresolforequalconcentrationswillbeintheapproximateratioof2.6to1.1.1Thistestmethodcoversthedeterminationoftheweightpercentof2,6-ditertiary-butylparacresol(DBPC)and2,6-ditertiary-butylphenol(DBP)inneworusedelectricalinsulatingoilinconcentrationsupto0.5%bymeasuringitsabsorbanceatthespecifiedwavelengthsintheinfraredspectrum.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E38
【国际标准分类号】:29_040_10
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-89:Particularrequirementsforcommercialrefrigeratingapplianceswithanincorporatedorremoterefrigerantcondensingunitorcompressor(IEC60335-2-89:2010);GermanversionEN60335-2-89:2
【原文标准名称】:家用和类似用途电器.安全性.第2-89部分:带插入式或间接冷冻调节装置或压缩机的商用制冷设备的详细要求(IEC60335-2-89-2010).德文版本EN60335-2-89-2010
【标准号】:DINEN60335-2-89-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-12
【实施或试行日期】:2010-12-01
【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】:商业的;压缩应力;压缩机;冷凝装置;定义(术语);尺寸规格;家用的;电气器具;家用电器具;电气工程;冷藏柜;加热;家用设备;家用;制冰机;批注;绝缘件;作标记;电动压缩机;冷冻式陈列柜;制冷机;安全要求;自我服务设施;规范(验收);试验;试验条件
【英文主题词】:Commercial;Compressionstresses;Compressors;Condensingunits;Definitions;Dimensions;Domestic;Electricappliances;Electrichouseholdappliances;Electricalengineering;Freezers;Heating;Householdequipment;Householduse;Ice-makers;Inscription;Insulations;Marking;Motorcompressors;Refrigerateddisplaycabinets;Refrigerators;Safetyrequirements;Self-services;Specification(approval);Testing;Testingconditions
【摘要】:
【中国标准分类号】:Y61
【国际标准分类号】:97_040_30
【页数】:47P;A4
【正文语种】:德语