ANSI/UL 51-1999 用于液化石油气和无水氨的动力操作泵

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【英文标准名称】:Power-OperatedPumpsforAnhydrousAmmoniaandLP-Gas
【原文标准名称】:用于液化石油气和无水氨的动力操作泵
【标准号】:ANSI/UL51-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【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】:氨;设计;电泵;搬运;液化石油气;液氨;抽油装置;泵;储存;运输
【英文主题词】:Ammonia;Design;Electricalpumps;Handling;Liquefiedpetroleumgas;Liquidammonia;Pumpinginstallation;Pumps;Storage;Transport
【摘要】:Coverspower-operatedpumpsforanhydrousammoniaandliquefiedpetroleumgas(LP-Gas)foruseinliquidtransferoperationsinnonrefrigeratedsystemsininstallationscoveredbythefollowingStandards:SafetyRequirementsfortheStorageandHandlingofAnhydrousAmmonia,ANSI/K61.1.StorageandHandlingofLiquefiedPetroleumGases,ANSI/NFPANo.58.SUMMARYOFCHANGESTOUL51UL51wasoriginallylistedforcommentintheFebruary16,1996issueofStandardsAction.Onlytherevisedtextoutlinedbelowisbeingresubmittedduetosubstantivechangesinthetext.Therevisionsinclude:changesbasedonthereplacementoftheMercurousNitrateImmersionTestwitha10-DayMoistAmmoniaAirStressCrackingTest;changesduetothereplacementoftheoxygenbombtestwiththeair-ovenagingtest;reinstatementofrequirementsforproductiontests.(Revised)5.11Apartmadeofdrawnbrassormachinedfrombrassrodshallbecapableofwithstanding,withoutcracking,the10-DayMoistAmmoniaAirStressCrackingTest,Section19A.(DeletedSection)19Mercurous-NitrateImmersionTest(Added)19A10-DayMoistAmmoniaAirStressCrackingTest19A.1Afterbeingsubjectedtotheconditionsdescribedin19A.2C19A.4,abrasspartcontainingmorethan15percentzincshallshownoevidenceofcrackingwhenexaminedusing25Xmagnification.19A.2Eachsampleistobesubjectedtothephysicalstressesnormallyimposedonorwithinapartastheresultofassemblywithothercomponents.Suchstressesaretobeappliedtothesamplepriortoandmaintainedduringthetest.Sampleswiththreads,intendedtobeusedforinstallingtheproductinthefield,aretohavethethreadsengagedandtightenedtothetorquespecifiedinTable14.1.Teflontapeorpipecompoundisnottobeusedonthethreads.19A.3Threesamplesaretobedegreasedandthencontinuouslyexposedinasetpositionfortendaystoamoistammonia-airmixturemaintainedinaglasschamberapproximately12by12by12inches(305by305by305mm)havingaglasscover.19A.4Approximately600mlofaqueousammoniahavingaspecificgravityof0.94istobemaintainedatthebottomoftheglasschamberbelowthesamples.Thesamplesaretobepositioned1-1/2inches(38.1mm)abovetheaqueousammoniasolutionandsupportedbyaninerttray.Themoistammonia-airmixtureinthechamberistobemaintainedatatmosphericpressureandatatemperatureof34"2EC(93"3.5EF).(Revised)20.1.3Apartmadeofsyntheticrubbershallnotcrackorshowvisibleevidenceofdeteriorationfollowingexposurefor70hourstoatemperatureof100"2EC(212"3.5EF)inanair-circulatingoven.(Revised)21.2Eachpumpistobeoperatedanddeterminedtobeinconditionbeforeshipment.
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:
【正文语种】:英语


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Product Code:SAE ARP4402
Title:Eddy Current Inspection of Open Fastener Holes in Aluminum Aircraft Structure
Issuing Committee:Ams K Non Destructive Methods And Processes Committee
Scope:This SAE Aerospace Recommended Practice establishes the requirements and procedures for eddy current inspection of open fastener holes in aluminum aircraft structures. This process has been used typically by maintenance and overhaul facilities personnel to inspect aluminum aircraft structures for service-induced cracks, but usage is not limited to such applications.
基本信息
标准名称:手或动力驱动的压接工具总规范
英文名称:General specification for crimping tools hand or power actuated
中标分类: 农业、林业 >> 农业、林业综合 >> 技术管理
替代情况:原标准号GB 9022-88
发布部门:国家标准局
发布日期:1988-04-13
实施日期:1997-01-01
首发日期:1900-01-01
作废日期:1900-01-01
提出单位:中华人民共和国电子工业部
起草单位:电子工业部标准化研究所
起草人:余玉芳、常明山
出版日期:1900-01-01
页数:16页
适用范围

本标准规定了成套压接工具和标准规的一般要求。压接工具使导线的导体与电连接器、接线端连接系统及其它电子或电气元件中的可拆卸接触件、同轴连接器、套圈、接线端、端头套和拼接件实现连接。

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所属分类: 农业 林业 农业 林业综合 技术管理