【英文标准名称】:Liquid-tightflexiblesteelconduit
【原文标准名称】:防液渗的柔性钢导管
【标准号】:UL360-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003-06-25
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;管;金属;钢导管;防水的;导(线)管;柔性
【英文主题词】:Conduits;Flexible;Metals;Pipes;Steelconduits;Steels;Waterproof
【摘要】:1.1Theserequirementscoverthe3/8(12),1/2(16),3/4(21),1(27),1-1/4(35),1-1/2(41),2(53),2-1/2(63),3(78),3–1/2(91),and4(103)tradesizes(metricdesignators)ofliquid-tightflexiblesteelconduit.TheconduitcoveredisintendedforinstallationinaccordancewiththeNationalElectricalCode(NFPA70)asracewayforwiresandcablesinmotorcircuitsoperatingatpotentialsover600volts,inelectric-signcircuitsoperatingatpotentialsupthrough1000volts,over1000volts,andinothercircuitsoperatingat0–600V.1.2Thisconduitisforapplicationsinwhichflexibilityoftheconduitisnecessaryduringinstallation,operation,ormaintenanceandthecontainedconductorsneedprotectionfromvapors,liquidsorsolids.1.3Thisconduitiscircularincrosssection,havinganouterliquid-tight,nonmetallic,sunlight-resistantjacketoveraninnerflexiblemetalcore,andisforuseinwet,dry,oroilylocationsinwhichtheconduitisexposedbutisnotsubjecttophysicaldamage.Conduitthatisnotmarkedwithatemperaturedesignationorismarked"60C"isforuseattemperaturesnotinexcessof60°C(140°F).Conduitthatisforuseindryoroilylocationsatatemperaturehigherthan60°C(140°F)ismarked"____Cdry,60Cwet,70Coilres"or"____Cdry,60Cwet,70Coilresistant"with"80C"or"105C"insertedasthedry-locationstemperature.1.4Conduitthatismarked"80Cdry,60Cwet,60Coilres"or"80Cdry,60Cwet,60Coilresistant"isforuseat80°C(176°F)andlowertemperaturesinair,and60°C(140°F)andlowertemperatureswhereexposedtowater,oilorcoolants-thatis,tocuttingoilsandthelikeinmachine-toolandotherindustrialapplications.1.5Conduitmarkedinaccordancewith23.4(g)islimitedtouseinoilfreeenvironments.1.6Fittingsforliquid-tightflexiblesteelconduitarecoveredintheStandardforFittingsforCableandConduit,UL514B.1.7Theserequirementsdonotcoverliquid-tightflexiblenonmetallicconduit.FlexiblenonmetallicconduitiscoveredintheStandardforLiquid-TightFlexibleNonmetallicConduit,UL1660,andthefittingsforthisconduitarecoveredintheStandardforFittingsforCableandConduit,UL514B.1.8Theserequirementsdonotcoverflexiblemetallictubing.1.9Theserequirementsdonotcoverelectricalnonmetallictubing(ENT).
【中国标准分类号】:H48
【国际标准分类号】:29_120_10
【页数】:40P.;A4
【正文语种】:英语