SAE AMS2431/1 Peening Media (ASR), Cast Steel Shot, Regular Hardness (45 to 52 HRC)

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Product Code:SAE AMS2431/1
Title:Peening Media (ASR), Cast Steel Shot, Regular Hardness (45 to 52 HRC)
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:The complete requirements for procuring the product shall consist of this document and the latest issue of the basic specification, AMS2431.
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【英文标准名称】:ULStandardforSafetyGasandVaporDetectorsandSensorsCOMMENTSDUE:FEBRUARY19,2006
【原文标准名称】:气体和蒸气探测器和传感器UL安全性标准.评议提交截止日期:2006年2月19日
【标准号】:UL2075BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-01-19
【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】:
【英文主题词】:
【摘要】:TheserequirementscovertoxicandcombustiblegasandvapordetectorsandsensorsintendedtobeportableoremployedinindoororoutdoorlocationsinaccordancewiththeNationalElectricalCode,NFPA70.Agasdetectorand/orsensorand/orvapordetector,ascoveredbytheserequirements,consistsofanassemblyofelectricalcomponentscoupledwithasensingmeansinsideachamber,orbyseparatecomponentstodetecttoxicand/orcombustiblegasesorvapors.Thedetectorincludesprovisionfortheconnectiontoasourceofpowerandsignalingcircuits.Theserequirementscoverthefollowingtypesofdetectors:a)Detectorsintendedformonitoringtheenvironmentanddetectorsintendedforopenareaprotectionandforconnectiontoacompatiblepowersupplyorcontrolunitforoperationaspartofgasdetectionoremergencysignalingsystems;b)Detectorsintendedsolelyforcontrolofventilationorshutoffdevicessuchasfansorcontrolvalves;c)Detectorsintendedforboththeaboveapplications;d)Sensorsandsensingcircuitsintendedforusewithoringasdetectors,alarmsorgasdetectioncircuitswithinfuelcellsystems;e)Portablegasdetectors;f)Multi-gasgasdetectors;g)Multi-gassensorsandh)Equipmentintendedforuseinhazardouslocations.Note,theequipmentmustcomplywiththeapplicablehazardouslocationrequirementspriortoevaluationtoUL2075.1.3Theserequirementsalsocoverallremoteaccessoriesthatareintendedtobeconnectedtoagasorvapordetectorand/orsensor.1.4Thisstandarddoesnotcoverthefollowing:a)ControlunitstowhichthedetectorsareintendedtobeconnectedthatarecoveredbytheStandardforControlUnitsforFire-ProtectiveSignalingSystems,UL864;b)ControlunitstowhichthedetectorsareintendedtobeconnectedthatarecoveredbytheStandardforGeneralPurposeSignalingDevicesandSystems,UL2017;c)Self-containedsingleandmultiplestationcarbonmonoxidealarmsorresidentialcombustiblegasdetectors,notintendedforconnectiontoasystemcontrolunit,thatarecoveredbytheStandardforSingleandMultipleStationCarbonMonoxideAlarms,UL2034orResidentialGasDetectors,UL1484.1.5Usersoftheserequirementswilladditionallyneedtoensurethatinfluencingfactorsnotaddressedinthisstandardfortheendproductinstallation,suchasmechanicalmovement,fieldplacementofconductivematerial,andproductdamage,willnotaffectthesystemforinsulationcoordinationorperformanceoperation.Examplesarethedeformationoftheenclosure,movementofthefittingsforconduitorarmoredcable,ortheimproperinstallationoffieldwiring.
【中国标准分类号】:N56
【国际标准分类号】:13_320
【页数】:
【正文语种】:英语


基本信息
标准名称:土石坝安全监测资料整编规程 SL 169-96
英文名称:The regulation of data compilation for earth -- rockfill dam safety monitoring
中标分类: 工程建设 >> 水利、水电工程 >> 水电工程
替代情况:被SL 551-2012代替
发布日期:1996-08-26
实施日期:1997-01-01
首发日期:1900-01-01
作废日期:2012-06-28
出版日期:1900-01-01
页数:45页
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所属分类: 工程建设 水利 水电工程 水电工程