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【英文标准名称】:ULStandardforSafetyFlexibleMetallicHoseNinthEdition;ReprintwithRevisionsThroughandIncludingJune9,2003
【原文标准名称】:挠性金属软管
【标准号】:UL536-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997-07-29
【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】:软管组件;金属软管;金属护套;煤油;可燃的;燃气管路;柔性;天然气;导(线)管;金属导管
【英文主题词】:conduits;metalhoses;gascircuits;flexible;naturalgas;metalconduits;metalsheaths;flammable;kerosine;hoseassemblies
【摘要】:Coversflexiblemetallichosehavinganominalinsidediameterofnotmorethan4inchesintendedforuseinpipingsystemscarryingcompressedgases,suchasanhydrousammonia,andflammableandcombustiblegasesandliquids,atpressuresnotexceeding500psig(3.45Mpa)andtemperaturesnotgreaterthan450oF(232oC)norlowerthanminus40oF(minus40oC).ThisstandardwasoriginallylistedforpublicreviewintheOctober9,1998issueofStandardsAction.Itisbeingresubmittedduetosubstantivechangesinthetext,whicharelistedhereintheirentirety.1.3.1Flexiblemetalhoseisnotconsideredasubstituteforstandardpipeortubinganditsuseshouldbeconfinedtoapplicationswhereflexibleconnectionscannotbeavoided.Itshouldnotbesubjectedtotorsional,tensile,orexcessivebendingstressesandshouldbeprotectedagainstmechanicalinjury.1.4.1Thisstandarddoesnotapplytoconnectorsusedinnaturalgasprocessingplants,refineries,petrochemicalplants,marineterminalsorgasolineservicestations.2.1.2Acomponentneednotcomplywithaspecificrequirementthat:a)Involvesafeatureorcharacteristicnotneededintheapplicationofthecomponentintheproductcoveredbythisstandard,orb)Issupersededbyarequirementinthisstandard.12.3Theburneristobeconstructedof3/4inchSchedule40ironpipe(StandardforWeldedandSeamlessWroughtSteelPipe,ANSI/ASMEB36.110M-1995)havingastraightlineof1/16inch(1.6mm)drilledports,on2inch(12.7mm)centers,locatedalongthetopforadistanceof8inches(203mm).Agaspressureequalto1inch(25.4mm)watercolumnistobemaintainedinthepipewhengasequivalenttonaturalgashavingapproximately1000Btupercubicfoot(37.3MJ/m3)isemployed.
【中国标准分类号】:K30
【国际标准分类号】:23_040_70
【页数】:26P.;A4
【正文语种】:英语