【英文标准名称】:Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems.Productspecifications.TypeSC/APCsimplex8°terminatedonIEC60793-2-50oftypesB1.1andB1.3singlemodefibre,withfullzirconiaferrulecategoryU
【原文标准名称】:光纤通信系统用连接器组件和互连组件.产品规范.带有全氧化锆套圈U类SC/APC型单工8°端接在IEC60793-2-50的类型B1.1和B1.3单模光纤
【标准号】:BSEN50377-4-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-04-30
【实施或试行日期】:2011-04-30
【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】:适配器;颜色;色码;通信系统;数据连接系统;数据传送;尺寸规格;电插头;电气工程;电子工程;电子设备及元件;衔接按钮开关;紧固件;光纤;玻璃纤维电缆;寿命;作标记;机械性能;单模纤维;多模纤维;光学特性;光波导;工作性能;性能要求;插头;产品规范;产品标准;质量保证;试验;类型
【英文主题词】:Adapters;Colour;Colourcodes;Communicationsystems;Datalinksystem;Datatransfer;Dimensions;Electricplugs;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Engagementfacecontact;Fasteners;Fibreoptics;Glassfibrecables;Life(durability);Marking;Mechanicalproperties;Monomodefibres;Multimodefibres;Opticalproperties;Opticalwaveguides;Performanceinservice;Performancerequirements;Plugs;Productspecifications;Productstandards;Qualityassurance;Testing;Types
【摘要】:1.1ProductdefinitionThisEuropeanStandardcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalperformancerequirementswhichaconnectorterminatedwithcylindricalzirconia8°angledPCferruleandassembledsinglemoderesilientalignmentsleeveSC-APCsimplexconnectorset(plug/adaptor/plug),adaptorandpatchcordmustmeetinorderforittobecategorisedasanENstandardproduct.Sincedifferentvariantsandgradesofperformancearepermitted,productmarkingdetailsaregivenin3.6.1.2IntermateabilityAlthoughallproductsconformingtotherequirementsofthisstandardwillintermate,theresultinglevelofrandomattenuationperformancewillonlybeensuredinaccordancewithTable1.Theintentionisthatthiswillbetrueirrespectiveofthemanufacturingsource(s)oftheproduct.Whenintermatingplugvariantshavingdifferentattenuationgrades,theresultinglevelofattenuationcannotbeassuredtobeanybetterthantheworstattenuationgrade.TheintermatingofagradeCplugwithagradeBplugwillresultinanuncertainlevelofrandomattenuationperformance.1.3OperatingenvironmentThetestsselectedcombinedwiththeseveritiesanddurationsarerepresentativeofacategoryUenvironmentdescribedinEN61753-1.1.4ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisstandarddoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogramme.1.5QualityassuranceCompliancewiththisstandarddoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogramme.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:38P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforPipingFittingsofWroughtCarbonSteelandAlloySteelforModerateandHighTemperatureService
【原文标准名称】:中温与高温设备用锻制碳素钢和合金钢管道配件的标准规范
【标准号】:ASTMA234/A234M-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】:合金;碳素钢;配件;管道配件;管道;管;钢;温度
【英文主题词】:Alloys;Carbonsteels;Fittings;Pipefittings;Pipelines;Pipes;Steels;Temperature
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_40
【页数】:8P;A4
【正文语种】:英语