SAE AS3436 Spacer, Sleeve - For .250 Inch Bolt, AMS4901 or AMS4921
作者:标准资料网 时间:2024-05-09 00:03:04 浏览:8229
来源:标准资料网
Product Code:SAE AS3436
Title:Spacer, Sleeve - For .250 Inch Bolt, AMS4901 or AMS4921
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
【英文标准名称】:SeallessCentrifugalPumpsforNomenclature,Definitions,Application,OperationandTest
【原文标准名称】:无密封离心泵.术语、定义、应用、操作和测试
【标准号】:ANSI/HI5.1-5.6-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:离心泵;定义;定义;命名;术语;操作;抽油装置;泵
【英文主题词】:Centrifugalpumps;Definitions;Nomenclature;Operation;Pumpinginstallation;Pumps
【摘要】:Thisstandardisforseallesscentrifugalpumpsthataredrivenbycannedmotorsormagneticcouplings.Itincludestypesandnomenclature,definitions;designandapplication;installation,operationandmaintenance,andtest.ThefollowingchangeshavebeenmadeastheresultofsuggestionsfromacanvassinitiatedonJanuary7,1999.5.3.2.2.3-LiquidContainmentShells:Thefollowingcautionstatementhasbeenadded:CAUTION:Theelectricalleadsfromthemotorstatorshallbesealedbetweentheterminalboxandthestatorelectricalcore.However,inthepossibleeventofthecombinedfailureofthesesealsandruptureofthestatorliner,itispossiblethattheprocessliquidbeingpumpedcanmigrateintotheatmosphericsideoftheterminalbox.Forthisreasonitisrecommendedthatelectricalconduitleadsealsshallbeutilizedtoprovidefurthersealredundancyagainstprocessliquidmigration,orthattheatmosphericsideoftheterminalboxshallbeventedtoasuitablesafelocation.Additionally,cautionshouldbeexercisedwhenopeningtheterminalboxinlightofthispossibility.5.3.2.2.6-LiquidContainmentShells:Theparagraphhasbeenrevisedtoreplace"pumpflangeratings"with"maximumoperatingpressureofthepump"andnowreadsasfollows:Primaryandsecondarycontainmentshells,staticsealsandmechanicalsealsusedforsecondarycontainmentshaftsealingshallhaveoperationalpressureratingsequalto,orgreaterthan,themaximumoperatingpressureofthepumpatratedconditions.5.3.2.4.3-VentandDrainBosses:Theminimumhasbeenchangedfrom1/2inchto3/8inch.5.3.3.5-MagnetTemperatureLimits:ForSamariumColbaltchangefrom260Cto300C.
【中国标准分类号】:J71
【国际标准分类号】:01_040_23;23_080
【页数】:
【正文语种】:英语
基本信息
标准名称: | 天敌防治靶标生物田间药效试验准则 第2部分:平腹小蜂防治荔枝、龙眼树荔枝蝽 |
发布部门: | 中华人民共和国农业部 |
发布日期: | 2012-02-21 |
实施日期: | 2012-05-01 |
首发日期: | |
作废日期: | |
出版社: | 中国农业出版社 |
出版日期: | 2012-05-01 |
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所属分类: 农业 林业 经济作物 其他经济作物