ASTM F1417-1992(2005) 使用低压空气对塑料自流排水管道安装验收方法
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【英文标准名称】:StandardTestMethodforInstallationAcceptanceofPlasticGravitySewerLinesUsingLow-PressureAir
【原文标准名称】:使用低压空气对塑料自流排水管道安装验收方法
【标准号】:ASTMF1417-1992(2005)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:F17.62
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料管;下水道;试验
【英文主题词】:airtest;plastic;sewer
【摘要】:Thislow-pressureairtestdetectsdamagedpipingorimproperjointingbymeasuringtherateatwhichairunderpressureescapesfromanisolatedsectionofsewer.Therateofairlosswillindicatethepresenceorabsenceofdamagedpipingorleakingjoints.Thistestmethodisnotintendedtoshowtotalsystemwaterleakagelimitsandcannotbeusedasaquantitativemeasureofleakageunderserviceconditionsforinfiltrationorexfiltration.Note18212;Afindingofacceptableairlossspecifiedinthistestmethodcanbeinterpretedasaninstallationacceptancetestinlieuofinfiltrationorexfiltrationtest.Thistestmethodwillensurethebestpossibleinitialconditionandqualityworkmanshipofallproperty-installedsewerpipe.1.1Thistestmethodprovidesproceduresfortestingplasticpipesewerlines,usinglow-pressureairtoprovetheintegrityoftheinstalledmaterialandtheconstructionprocedures.Twoproceduresareincludedtofindtherateofairleakage-theconstant-pressuremethodandthetime-pressuredropmethod.1.2Thistestmethodshallbeperformedonlinesafterallconnectionsandservicelateralshavebeenpluggedandbracedadequatelytowithstandthetestpressure.Thetimebetweencompletionofthebackfilloperationandlow-pressureairtestingmaybespecifiedbytheapprovingauthority.1.3Thistestmethodalsomaybeusedasapreliminarytest,whichenablestheinstallertoshowtheconditionofaburiedlinepriortofinalbackfill,paving,andotherconstructionactivities.1.4Thistestmethodisapplicabletoallgravitysewerlinesmadeofthermoplasticpipe,reinforcedthermosettingresin(RTRP)pipe,andreinforcedplasticmortar(RPM)pipe,definedinTerminologyD883,D1600,andF412.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection5.
【中国标准分类号】:Q81
【国际标准分类号】:91_140_80
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Nuclearpowerplants-Instrumentationandcontrolimportanttosafety-Managementofagingofelectricalcablingsystems
【原文标准名称】:核电站.仪器使用和控制安全性重要事项.电力电缆系统老化管理
【标准号】:IEC62465-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC45A
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;电缆系统;电缆;控制工艺学;铜导线;定义;效率;电气工程;电绝缘材料;监控;核电厂;核反应堆;核技术;运行监控系统;性能;过程测量和控制设备;过程测量和控制技术;反应时间;反应堆装置;反应堆安全;安全性;安全系统
【英文主题词】:Ageing(materials);Cablesystems;Cables;Controltechnology;Copperconductors;Definitions;Efficiency;Electricalengineering;Electricalinsulatingmaterials;Monitoring;Nuclearpowerplants;Nuclearreactors;Nucleartechnology;Operationalmonitoringsystems;Performance;Processmeasuringandcontrolequipment;Processmeasuringandcontroltechnology;Reactiontime;Reactorinstrumentation;Reactorsafety;Safety;Safetysystems
【摘要】:ThisInternationalStandardprovidesstrategies,technicalrequirements,andrecommendedpracticesforthemanagementofnormalageingofcablingsystemsthatareimportanttosafetyinnuclearpowerplants.ThemainrequirementsarepresentedinthebodyofthisInternationalStandardfollowedbyanumberofinformativeannexeswithexamplesofcabletestingtechniques,procedures,andequipmentthatareavailableforthenuclearindustrytousetoensurethatageingdegradationwillnotimpactplantsafety.ThisInternationalStandardcoverscablesandtheiraccessories(e.g.,connectors)installedinnuclearpowerplants(insideandoutsidethecontainment).Itprovidesrequirementstoperformcabletestingforthepurposesofpredictivemaintenance,troubleshooting,ageingmanagement,andassuranceofplantsafety.ItisconcernedwithInstrumentationandControl(I&C)cables,signalcables,andpowercablesofvoltageslessthan1kV.Morespecifically,thisInternationalStandardfocusesonin-situtestingtechniquesthathavebeenestablishedfordeterminingproblemsincableconductors(i.e.,copperwire)and,toalesserextent,oninsulationmaterial(i.e.,polymer).ItfollowstheIEC62342standardon“ManagementofAgeing”thatwaspreparedtoprovidegeneralguidelinesformanagementofageingofI&Ccomponentsinnuclearpowerplants,includingcables.ItshouldbepointedoutthatcabletestingtechnologiesareevolvingandnewmethodsarebecomingavailablethatarenotcoveredinthisInternationalStandard.Morespecifically,thisInternationalStandardcoverstypicalcabletestingmethodsthathavebeeninuseinthenuclearpowerindustryoverthelastdecade.Itshouldalsobepointedoutthatasinglecabletestingtechniqueisunlikelytoprovideconclusiveresults,andareliablediagnosisnormallyrequiresacombinationoftechniques.
【中国标准分类号】:F83
【国际标准分类号】:27_120_20
【页数】:70P.;A4
【正文语种】:英语
Product Code:SAE AS4892
Title:Insert, Screw Thread, Self-Locking, Uns S66286, Locked In, Key Locked, Procurement Specification For
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:Type: This procurement specification covers inserts made from A286 alloy of the type identified under the Unified Numbering System as UNS S66286 which have self-locking internal threads and integrated locking keys to positively secure the insert against rotation when properly installed in threaded holes.