热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

UL 21 BULLETIN-2007 液化石油气用软管UL安全性标准.评议提交截止日期:2007年11月19日

作者:标准资料网 时间:2024-05-20 04:05:18  浏览:9306   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:ULStandardforSafetyLP-GasHoseCOMMENTSDUE:NOVEMBER19,2007
【原文标准名称】:液化石油气用软管UL安全性标准.评议提交截止日期:2007年11月19日
【标准号】:UL21BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:Theserequirementscoverhoseinsizesuptoandincludinganominalinternaldiameterof4in(102mm)forconductingliquefiedpetroleumgasintendedtobeinstalledinclosedsystemsincompliancewiththeStandardoftheNationalFireProtectionAssociationfortheStorageandHandlingofLiquefiedPetroleumGases,NFPA58.Thehoseismadeforamaximumworkingpressureof350poundspersquareinchgauge(psig)(2400kPa).Hoseinsizeslargerthan2in(50.8mm)isnotintendedforuseonreels.Hosescoveredbythisstandardareintendedforuseattemperatureswithintherangeofminus40?C(minus40?F)toplus60?C(140?F),orminus54?C(minus65?F)toplus60?C.Thisstandarddoesnotapplyto:a)Couplingsnortheirmethodofattachment;b)Gasapplianceconnectorsforhandlingfuelgasesat5psig(34.5kPa)orless,nortometallichoseintendedforuseinoiltransportationpiping,inpetroleumrefinerypiping,oringastransmissionanddistributionpipingsystems;orc)Hoseintendedforuseinautomotiveapplicationsorhoseintendedforuseinconfinedareas.HoseforuseinautomotiveapplicationsisinvestigatedundertheOutlineofInvestigationforLP-GasFuelHoseandHoseAssembliesforVehicleEngines,Subject1785.
【中国标准分类号】:G42
【国际标准分类号】:23_040_70
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:ULStandardforSafetyPowerUnitsOtherThanClass2SeventhEdition;ReprintwithRevisionsThroughandIncluding2/23/2006
【原文标准名称】:除2级以外的电源设备
【标准号】:UL1012-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005-04-29
【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】:电力网供电;电性质和电现象;规范(验收);蓄电池组;电气安全;电流;充电设备;发电厂;蓄电池充电器;电源;电力系统;防电击
【英文主题词】:Batteries;Batterychargers;Chargingequipment;Currents;Electricpowersystems;Electricalpropertiesandphenomena;Electricalsafety;Mainspowersupply;Powergeneratingplant;Powersupply;Protectionagainstelectricshocks;Specification(approval)
【摘要】:1.1Theserequirementscoverportable,stationary,andfixedpowerunitshavinganinputratingof600voltsorless,direct-andalternating-current,withatleastoneoutputnotmarkedClass2,andthatareintendedtobeemployedinordinarylocationsinaccordancewiththeNationalElectricalCode,ANSI/NFPA70.1.2Theserequirementscovergeneralpurposepowersuppliesandpowersuppliesforusessuchastosupplysomehouseholdappliances,schoollaboratories,cathodicprotectionequipment;powersupply-batterychargercombinations;andindustrialequipment,includinginverters,dividedintotwoclasses-thoserated10kilovolt-amperesorlessandthoseratedmorethan10kilovolt-amperes.1.3PowerunitswithalloutputsidentifiedasClass2arecoveredundertheStandardforClass2PowerUnits,UL1310.1.4Theserequirementsdonotcoverthefollowingtypesofbatterychargers:a)Batterychargersintendedtochargemotor-startingbatteriesascoveredbyStandardforBatteryChargersforChargingEngine-StarterBatteries,UL1236;b)Batterychargersforchargingindustrialbatterieswhichpowermaterialhandlingtrucks,tractors,personnelcarriers,andsimilarmotiveequipment,ascoveredbytheStandardforIndustrialBatteryChargers,UL1564;c)Chargersorchargingfunctionsincorporatedintoconverterorinvertersforuseinrecreationalvehiclesandboats,ascoveredbytheStandardforPowerConverters/InvertersandPowerConverter/InverterSystemsforLandVehiclesandMarineCrafts,UL458;andd)Chargecontrollersorchargingfunctionsincorporatedintoequipmentforuseinindependentpowersystems,ascoveredbytheStandardforInverters,Converters,andControllersforUseinIndependentPowerSystems,UL1741.1.5Abatterychargernotwhollywithinthescopeofoneofthestandardsspecifiedin1.4shallbeinvestigatedtotherequirementsofthisStandardsupplementedbytheapplicablerequirementsofwhicheverofthestandardsin1.4ismostapplicable.1.6Theserequirementsdonotcoverapowersupplyforafire-protectiveorburglary-protectivesignalingsystem,electrostatic-aircleaningequipment,recreationalvehicles,electricdischargeorneontubing,testequipmentforcommercialorindustriallaboratories;oranapplianceorsysteminwhichthepowersupplyisused.1.7Theserequirementscoverpowersuppliesforcentralizedacordcpowersystems,includingdcpowersupplies,rectifiers,andthelike,thatformpartofthesesystems.1.8Apowersupplythatisintendedforusewithaspecifictypeofproductotherthanasreferencedin1.2isinvestigatedunderthestandardforthatendproduct.1.9Theserequirementsdonotcovertheeffectthatapowersupplymayhaveonanequipmentorasystemtowhichitisconnected.1.10Apowersystem,theprimaryfunctionofwhichismaintainingcontinuityofanalternatingpowersourceincaseofinputpowerfailure,iscoveredundertheStandardforUninterruptiblePowerSystems,UL1778.
【中国标准分类号】:K85
【国际标准分类号】:29_200
【页数】:
【正文语种】:英语


【英文标准名称】:Wheelchairs-Powerandcontrolsystemsforelectricallypoweredwheelchairsandscooters-Requirementsandtestmethods
【原文标准名称】:轮椅.电动轮椅和小型摩托车的动力和控制系统.要求和试验方法
【标准号】:BSISO7176-14-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:残疾人辅助器具;蓄电池充电器;线路图;色码;控制系统;电连接器;电连接;电气安全;电气测试;电驱动装置;设备安全;熔断器;作标记;过电压保护装置;病人运送设备;防护电气设备;安全措施;短路电流试验;试验设备;轮椅
【英文主题词】:Controldevices;Defects;Definition;Definitions;Disabledpeople;Electricwheelchairs;Electricalsafety;Failure;Handicapedpersons;Handlings;Safety;Specification;Testing;Wheelchairs
【摘要】:
【中国标准分类号】:Y14
【国际标准分类号】:11_180_10
【页数】:64P;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1