【英文标准名称】:Weldingconsumables.Fluxesforsubmergedarcwelding.Classification.
【原文标准名称】:焊接消耗材料.埋弧焊用焊剂.分类
【标准号】:NFA81-319-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-06-01
【实施或试行日期】:1996-06-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Arcwelding;Characteristics;Classification;Classificationsystems;Exponents;Fillerwire;Fluxes;High-alloysteels;Low-alloysteels;Marking;Specification(approval);Submergedarcwelding;Symbols;Unalloyedsteels;Welding;Weldingfillermetals
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_20
【页数】:15P.;A4
【正文语种】:其他


【英文标准名称】:Securestorageunits-Classificationandmethodsoftestforresistancetofire-Part1:Datacabinetsanddisketteinserts
【原文标准名称】:安全存储装置.耐火性能的分类和试验方法.资料柜和磁盘衬套
【标准号】:BSEN1047-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-01
【实施或试行日期】:2005-12-01
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;内容;柜橱;数据;数据媒体;数据保护;数据安全;数据安全库;定义;文献存储;文献工作;防火;防火安全;耐火性;等级(质量);冲击强度;信息;作标记;耐力;保险柜;安全存储单元;规范(验收);储藏家具;火焰表面传播;试验方法;试验报告;试样;试验;热稳定性;贵重物品
【英文主题词】:
【摘要】:ThispartofthisEuropeanStandardspecifiesrequirementsforfireresistingdatacabinetsanddisketteinserts.Twomethodsoftestarespecifiedtodeterminetheabilityoffireresistingdatacabinetstoprotecttemperatureandhumiditysensitivecontentsfromtheeffectsoffire:afireendurancetestandafireshockandimpacttest.Twolevelsoffireseverity(S60andS120)basedupontimeoffireexposure;andthreeprotectionclasses(P,DandDIS)arespecifiedusingthemaximumtemperatureincreasesandhumidityvaluespermittedwithinthestoragespaceofthedatacabinet.Disketteinserts(DI60P/DISandDI120P/DIS)areinstalledindatacabinetsofprotectionclassS60PorS120P,respectively,andsubjectedtoafireendurancetest(see5.1.2).Requirementsarealsospecifiedfortestspecimens,thetechnicaldocumentationforthetestspecimen,correlationofthetestspecimenwiththetechnicaldocumentation,preparationfortypetestingandtestprocedures.Aschemetoclassifythefireresistingdatacabinetsanddisketteinsertsfromthetestresultsisalsogiven(seeTable1).Cabinetshavingthesamedesign,protectionandconstructionfeatures(typeandthicknessofconstructionandprotectivematerials,rebategeometry,locking,etc.)willonlygivethesamefireprotectionclassificationasthatofatestspecimeniftheyareofsimilarinternaldimensions.Themaximumdifferenceininternaldimensions(height,widthanddepthofthestoragespace,measuredfromwalltowall)towhichthetestclassificationcouldapplyis+15%.Cabinetshavinginternaldimensionswhichdifferbymorethanthisamountfromthatofthetestedspecimenshouldbesubmittedtoanextratest.Thewall,ceilinganddoorthicknessesshouldnotbebelowthespecifiedminimumlimitofthetype-testedthicknessbymorethan3%.DisketteinsertsshouldonlybeinstalledindatacabinetshavingthesamedesignastheseriesofprotectionclassS60PandS120P,respectively,inwhichtheinserthasbeentestedinaccordancewith5.1.2.Whereseveralinsertsareinstalled,theyshouldbebuiltinonebesidetheotheroroneabovetheotherfrombottomtotop,respectively.Thevolumeandtotalheightoftheinstalledinsertsshouldnotexceed50%ofthetotalinternalvolumeor50%oftheinternalheight,respectively,ofthedatacabinetsintowhichtheyareinstalled.Thedimensionsoftheinsertcanbeadaptedbyincreasingthewidthanddepthtothecorrespondingdimensionsofthedatacabinets.Areductionofthesedimensionsaswellasachangeoftheheightisonlyadmittedwithinthespecifiedtolerance.Thetemperatureincreasesduringtype-testsondatacabinetsanddisketteinsertswillbeconsideredindecidingthepermitteddisketteinsertinstallations.Forapermittedinstallation,thetemperatureincreaseoftheintendeddatacabinet(?TaK)shouldnotexceedthetemperatureincreaseofthetesteddatacabinet(?TbK)inwhichthedisketteinserthasbeentype-testedbymorethanthedifferencebetweenthemaximumvalueforthedisketteinsert(?TiK)andthemaximumadmissibletemperatureincrease(30K),i.e:?Ta-?Tb≤30K-?Ti(SeeexampleinAnnexB).Adescriptionoftheinstallationofthedisketteinsertsshouldbegiveninthetechnicaldocumentationofthemanufacturer.
【中国标准分类号】:A91;Y80
【国际标准分类号】:13_220_40;13_310;35_020
【页数】:26P;A4
【正文语种】:英语