DIN 40628 T.1-1975 硅橡胶绝缘软管.尺寸
时间:2024-05-18 05:22:56 来源: 标准资料网 作者：标准资料网 阅读：8142
【英文标准名称】:Sleevingsbasedonsilicone-rubber;dimensions
【原文标准名称】:硅橡胶绝缘软管.尺寸
【标准号】:DIN40628T.1-1975
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardPracticesforSamplingElectricalInsulatingLiquids
【原文标准名称】:电绝缘液体抽样的标准实施规程
【标准号】:ASTMD923-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D27.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:电气工程;电绝缘材料;电绝缘;绝缘液体;绝缘;抽样方法
【英文主题词】:bottles;cans;dissolved-gas-inoil;dissolvedgases-in-oil;electricalinsulatingliquid;particle;sampling;samplingelectricalapparatus;samplingprocedures;syringes;watercontent
【摘要】:1.1Thesepracticescoversamplingofnewelectricalinsulatingliquidsincludingoils,askarels,silicones,syntheticliquids,andnaturalesterinsulatingliquidsaswellasthoseinsulatingliquidsinserviceorsubsequenttoserviceincables,transformers,circuitbreakers,andotherelectricalapparatus.Thesepracticesapplytoliquidshavingaviscosityoflessthan6.47610-4m2/s(540cSt)at40176;C(104176;F).1.2Representativesamplesofelectricalinsulatingliquidsaretakenfortestspecimenssothatthequalitypertinenttotheirusemaybedetermined.Thequalityindifferentportionsofagivencontainer,ortheaveragequalityofthewholebulkmaybeascertainedifdesired.1.3ThevaluesstatedinSIunitsareregardedasthestandardwhereapplicable.InchpoundunitsareusedwherethereisnoSIequivalent.1.4Thesepracticesalsoincludespecialtechniquesanddevicesforsamplingfordissolvedgases-in-oil(DGA)(D3612),water(D1533)andparticles(D6786).1.5Foreaseofuse,thisdocumenthasbeenindexedasfollows:1.6Handleaskarelscontainingpolychlorinatedbiphenyls(PCBs)accordingtofederalandlocalregulationsexistingforthatcountry.Forexample,thefederalregulationsconcerningPCBsintheUnitedStatescanbefoundin40CFRPart761.1.7Properlycontain,packageanddisposeofanyliquidormaterialresultingfromtheuseofthesepracticesinamannerthatisinaccordancewithlocalandstateregulationsspecifictothecountryinwhichthesamplesaretaken.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificwarningstatementsaregivenin1.6,1.7,Section5,10.1,13.2,15.2.3,Section16,and18.2.Thesepracticesinvolveclosecontactwiththeelectricalinsulatingliquidsbeingsampledaswellasliquidsandothermaterialsusedtocleanthesamplingtoolsanddevices.Whenrequired,orasamatterofdiligencetopersonalsafety,usepersonalprotectiveequipment(PPE).
【中国标准分类号】:E38
【国际标准分类号】:29_040_10
【页数】:14P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforLoadTestingRefractoryShapesatHighTemperatures
【原文标准名称】:在高温下耐火异型砖负荷试验的标准试验方法
【标准号】:ASTMC16-2003e1
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:C08.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:承重砖;试验;高温;耐火材料;砖;负荷
【英文主题词】:compressiveload;deformationresistance;hightemperature;refractorybrick;refractoryshapes;
【摘要】:Theabilityofarefractoryshapestowithstandprescribedloadsatelevatedtemperaturesisameasureofthehigh-temperatureservicepotentialofthematerial.Bydefinition,refractoryshapesmustresistchangeduetohightemperature;andtheabilitytowithstanddeformationorshapechangewhensubjectedtosignificantloadingatelevatedtemperaturesisclearlydemonstratedwhenrefractoryshapesaresubjectedtothistestmethod.Thetestmethodisnormallyrunatsufficientlyhightemperaturetoallowsomeliquidstoformwithinthetestbrickortocauseweakeningofthebondingsystem.Theresultisusuallyadecreaseinsampledimensionparalleltotheappliedloadandincreaseinsampledimensionsperpendiculartotheloadingdirection.Occasionally,shearfracturecanoccur.Sincethetestprovideseasilymeasurablechangesindimensions,prescribedlimitscanbeestablished,andthetestmethodhasbeenlongusedtodeterminerefractoryquality.Thetestmethodhasoftenbeenusedintheestablishmentofwrittenspecificationsbetweenproducersandconsumers.Thistestmethodisnotapplicableforrefractorymaterialsthatareunstableinanoxidizingatmosphereunlessmeansareprovidedtoprotectthespecimens.1.1Thistestmethodcoversthedeterminationoftheresistancetodeformationorshearofrefractoryshapeswhensubjectedtoaspecifiedcompressiveloadataspecifiedtemperatureforaspecifiedtime.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q46
【国际标准分类号】:81_080
【页数】:5P.;A4
【正文语种】: