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【英文标准名称】:Testsoffireresistivegreaseductenclosure
【原文标准名称】:耐火润滑脂输送管道附件的试验
【标准号】:UL2221-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001-09-17
【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】:管廊(建筑实施);设计;门;润滑;管道;定义;配件;可燃性;润滑脂;燃料;建筑物;试验
【英文主题词】:Buildings;Combustibility;Combustible;Definitions;Design;Doors;Ducts;Ducts(buildingservices);Fittings;Grease;Lubrication;Testing
【摘要】:1.1Thesetestsareintendedtodeterminethefireresistanceofgreaseductenclosureassemblies.Theserequirementslimitthecombustibility,thesurfaceflammability,andthesmokegenerationpotentialofthecoveringsusedtoenclosethegreaseduct.Inaddition,theserequirementsevaluatetheeffectivenessofthecombinationofthegreaseductandtheenclosureasafireratedenclosuresystemandthroughpenetrationfirestopsystem,aswellastheenclosure''seffectonthegreaseduct.1.2Thefireenduranceratingsforgreaseductenclosureassembliesareintendedtoregisterperformanceduringtheperiodoffireexposureandarenotintendedtobeinterpretedashavingdeterminedtheacceptabilityofthegreaseductassemblyforusebeforeorafterfireexposure.Theintentofthesemethodsistodevelopdatatoassistothersindeterminingthesuitabilityofthegreaseductassemblywherefireresistanceisrequired.1.3Theserequirementsareintendedtoevaluatetheabilityofgreaseductenclosureassembliesspecifiedin1.1tocontainaninternalfireorrepelanexternalfireduringpredeterminedtestexposures.Thetestevaluatesthegreaseductassembly'sresistancetofire,heat,andtoahosestream.1.4RequirementscoveringtheconstructionandperformancerequirementsofproprietarygreaseductsarecontainedintheStandardforGreaseDucts,UL1978.Allducts,bothproprietaryandnon-proprietary,shallcomplywithinstallationrequirementsoftheStandardforVentilationControlandFireProtectionofCommercialCookingOperations,NFPA96,andtheInternationalMechanicalCode.1.5Undertheserequirementsagreaseductenclosureassemblyissubjectedtostandardinternalandexternalfireexposurescontrolledtoachievespecifiedtemperaturesthroughoutaspecifiedtimeperiod.1.6Duringtheinternalfireexposure,oneoftwoinstallationconditionmethodsistobeselectedtomeasuretemperaturesnearoronthesurfaceofthegreaseductenclosurematerialawayfromthegreaseduct.Onemethodoftemperaturemeasurementisintendedforallinstallationsexceptforinstallationswithinnon-ventilatedcombustibleenclosures.Thesecondmethodoftemperaturemeasurementisintendedforinstallationswithinnon-ventilatedcombustibleenclosures.1.7Theseexposuresbythemselvesarenotintendedtoberepresentativeofallfireconditions;conditionsvarywithchangesintheamount,nature,anddistributionoffireloading,ventilation,compartmentsizeandconfiguration,andheatsinkcharacteristicsofthecompartment.1.8Theserequirementscoverthemeasurementofthetransmissionofheatthroughthegreaseductassemblyandthepassageofheatandgaseshotenoughtoignitecottonwaste.1.9Theserequirementsprovidearelativemeasureoffireperformanceunderthesespecifiedfireexposureconditions.Anyvariationfromtheconstructionorconditionsthataretested,suchasmethodofassemblyandmaterials,isnotwithinthescopeofthistestmethod.1.10Theresultsofthesetestsrepresentonefactorinassessingfireperformanceofgreaseductassemblies.Theserequirementsprescribestandardfireexposuresforassessingtheperformanceofgreaseductassemblies.Applicationofthesetestresultstopredicttheperformanceofactualbuildingconstructionrequirescarefulevaluationoftestdata.
【中国标准分类号】:P94
【国际标准分类号】:91_140_30
【页数】:46P.;A4
【正文语种】:英语

标准名称：	平板玻璃能耗等级定额
中标分类：	建材 >> 陶瓷、玻璃 >> 建筑玻璃
ICS分类：	玻璃和陶瓷工业 >> 玻璃
发布日期：	1900-01-01
实施日期：	1991-12-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	4页

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