ASTM D 2598-2002 通过组分分析计算液化石油气的某些物理性质的标准实施规范

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【英文标准名称】:StandardSpecificationforPoly(VinylChloride)(PVC)Large-DiameterPlasticGravitySewerPipeandFittings
【原文标准名称】:大口径聚氯乙烯(PVC)塑料重力污水管和配件的标准规范
【标准号】:ASTMF679a-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;配件;管;塑料管;塑料;塑料制品;聚氯乙烯;污水管
【英文主题词】:Construction;Fittings;Pipes;Plasticpipes;Plastics;Plasticsproducts;Polyvinylchloride;Sewerpipes
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:Electricductheaters
【原文标准名称】:电管道加热器
【标准号】:UL1996-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004-11-12
【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】:加热器;空调系统;继电器;通风管道系统;遥控系统;控制装置;通气道;空气加热系统
【英文主题词】:Airductingsystems;Airducts;Airheatingsystems;Air-conditioningsystems;Controldevices;Heaters;Relays;Remotecontrolsystems
【摘要】:Theserequirementscoverfixedelectricductheaters,andremotecontrolassembliesforsuchequipment,ratedat600voltsorlesstobeemployedinordinarylocationsinaccordancewiththeNationalElectricalCode,ANSI/NFPA70.Theserequirementsdonotcoverfan-coilunits,centralheatingfurnaces,panelorcabletyperadiantheatingequipment,electricboilers,baseboardheaters,airheaters,noranyotherelectricheatingequipmentorapplianceswhicharecoveredinorasapartofseparate,individualrequirements.Ductheatersintendedforuseinahazardouslocationarejudgedonthebasisofitscompliancewiththerequirementsinthisstandard,togetherwiththerequirementsforhazardouslocationequipmentincludedinotherapplicablestandards.Ductheatersdesignedtobeconnectedtoair-ductsystemsareintendedforinstallationinaccordancewiththeStandardfortheInstallationofAirConditioningandVentilatingSystems,NFPA90A,andtheStandardfortheInstallationofWarmAirHeatingandAirConditioningSystems,NFPA90B.Theserequirementsapplytorelaysandotherauxiliarycontroldevicesthatmaybeprovidedaspartofaductheatertomakeitusablewithotherheatingorcoolingequipment,andareintendedtotakeintoaccounttheeffectsofoperatingtheductheaterinconjunctionwithorinproximitytosuchequipment.Aductheaterisaself-containedheaterdesignedtobeinstalledinthefieldintheairstreamofaductedsystem,externaltotheair-movingunit.Itisdesignedtobeinstalledinaductwhereanadequateflowofairfromaseparate,interlockedfanorblowersystemisprovided.Suchaheatermaybelocatedinthemainsupplyductofanairheatingsystem,orinoneofthebranchducts.Twoormoreductheatersmaybeinstalledinagroup(inproximitytooneanotherintheduct)iftestsindicateacceptableresultswhentheheatersareinstalledinaccordancewiththemanufacturer'sinstructions.Aductheaterintendedtobeemployedinconjunctionwithanothersourceofheatisjudgedonthebasisofitscompliancewiththerequirementsinthisstandard,andfurtherexaminationandteststodeterminewhetherornotthecombinationisacceptable.
【中国标准分类号】:K61
【国际标准分类号】:91_140_30
【页数】:
【正文语种】:英语