JB/T 7065-2004 变压器用压力释放阀
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来源:标准资料网
基本信息
| 标准名称： | 变压器用压力释放阀 |
| 英文名称： | Pressure relief devices for transformers |
| 中标分类： |
电工 >>
输变电设备 >>
变压器 |
| ICS分类： |
电气工程 >>
变压器、电抗器
|
| 替代情况： | JB/T 7065-1993 |
| 发布部门： | 中华人民共和国国家发展和改革委员会 |
| 发布日期： | 2004-06-17 |
| 实施日期： | 2004-11-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 中国机械工业联合会 |
| 归口单位： | 全国变压器标委会 |
| 起草单位： | 沈阳变压器研究所 |
| 起草人： | 王新建、韩庆恒 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 2004-11-01 |
| 页数： | 10页 |
| 批文号： | 发改委2004-30 |
| 书号： | 15111.7368 |
适用范围
本标准规定了变压器用压力释放阀的术语和定义、结构型式、产品型号、安装尺寸、性能参数、技术要求、试验方法、检验规则及标志、包装、运输和贮存。本标准适用于油浸式变压器、互感器、电抗器、开关等电器产品上安装的释放阀。
前言
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目录
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引用标准
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所属分类： 电工 输变电设备 变压器 电气工程 变压器 电抗器
MIL-PRF-39014/5F, PERFORMANCE SPECIFICATION SHEET, CAPACITORS, FIXED, CERAMIC DIELECTRIC (GENERAL PURPOSE), ESTABLISHED RELIABILITY STYLE CKR11, CKR14, CKR15, AND CKR16 (16 SEP 1997)., This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-39014.【英文标准名称】:StandardTestMethodforDensityofSoilandRockIn-PlaceatDepthsBelowSurfacebyNuclearMethods
【原文标准名称】:采用核子法现场测定土壤及集料密度的标准试验方法(深层)
【标准号】:ASTMD5195-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:depthprobe;in-placedensity;insitudensity;nuclearmethods;Attenuation(ofgammaradiation);Calibration--soil/rockanalysisinstrumentation;Density--soil/rock/relatedmaterials;Depthprofiling;Gammaradiation--soil/rock;In-placedensity(of
【摘要】:Thistestmethodisusefulasarapid,nondestructivetechniqueforthecalculationofthein-placedensityofsoilandrockatdesireddepthsbelowthesurfaceasopposedtosurfacemeasurementsinaccordancewithTestMethodD6938.Thistestmethodisusefulforinformationalandresearchpurposes.ItshouldonlybeusedforqualitycontrolandacceptancetestingwhencorrelatedtootheracceptedmethodssuchasTestMethodD2937.Thenon-destructivenatureofthetestmethodallowsrepetitivemeasurementstobemadeatasingletestlocationforstatisticalanalysisandtomonitorchangesovertime.ThefundamentalassumptionsinherentinthistestmethodarethatComptonscatteringandphotoelectricabsorptionarethedominantinteractionsofthegammarayswiththematerialundertest.Note18212;Thequalityoftheresultproducedbythisstandardtestmethodisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection,andthelike.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodcoversthecalculationofthedensityofsoilandrockbytheattenuationofgammaradiation,wherethegammasourceandthegammadetectorareplacedatthedesireddepthinaboredholelinedbyanaccesstube.1.1.1ForlimitationsseeSection5onInterference.1.2Thedensity,inmassperunitvolumeofthematerialundertest,iscalculatedbycomparingthedetectedrateofgammaradiationwithpreviouslyestablishedcalibrationdata(seeAnnexA1).1.3Aprecisionstatementhasnotbeendevelopedforthisstandardatthistime.Therefore,thisstandardshouldnotbeusedforacceptanceorrejectionofamaterialforpurchasignpurposesunlesscorrelatedtootheracceptedASTMstandards.1.4ThevaluesstatedinSIunitsareregardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonlyandmaybeapproximate.1.5AllobservedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.5.1Theproceduresusedtospecifyhowdataarecollected,recorded,andcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsiderationsfortheuserx2019;sobjectives;anditiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderations.Itisbeyondthescopeofthisstandardtoconsidersignificantdigitsusedinanalysismethodsforengineeringdesign.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7,x201C;Hazards.x201D;
【中国标准分类号】:Q13
【国际标准分类号】:93_020
【页数】:5P.;A4
【正文语种】:英语
