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JB/T 7744-2011 阀门密封面等离子弧堆焊用合金粉末

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基本信息
标准名称:阀门密封面等离子弧堆焊用合金粉末
英文名称:Alloy powder used plasma arc overlaying welding for valve sealing surface
中标分类: 机械 >> 通用零部件 >> 阀门
ICS分类: 流体系统和通用件 >> 阀门 >> 阀门综合
替代情况:替代JB/T 7744-1995
发布部门:中华人民共和国工业和信息化部
发布日期:2011-05-18
实施日期:2011-08-01
首发日期:
作废日期:
归口单位:全国阀门标委会
起草单位:合肥通用机械研究院、沈阳阀门研究所
出版社:机械工业出版社
出版日期:2011-08-01
适用范围

本标准规定了阀门密封面等离子弧堆焊用合金粉末的分类、牌号表示方法、技术要求、试验方法、检验规则、标志、包装、运输及贮存。
本标准适用于碳钢、合金钢、不锈钢等阀门密封面等离子弧堆焊用合金粉末。

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所属分类: 机械 通用零部件 阀门 流体系统和通用件 阀门 阀门综合
【英文标准名称】:StandardTestMethodforMicrobialRankingofPorousPackagingMaterials(ExposureChamberMethod)
【原文标准名称】:多孔包装材料的微生物分等标准试验方法(开放室法)
【标准号】:ASTMF1608-2000(2004)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:F02.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:biologicalbarrier;medicalpackaging;microbialbarrier;microbial-challenge;porouspackaging;sterilebarrier;sterilepackaging
【摘要】:Theexposure-chambermethodisaquantitativeprocedurefordeterminingthemicrobial-barrierpropertiesofporousmaterialsundertheconditionsspecifiedbythetest.Dataobtainedfromthistestareusefulinassessingtherelativepotentialofaparticularporousmaterialtocontributetothelossofsterilitytothecontentsofthepackageversusanotherporousmaterial.Thistestmethodisnotintendedtopredicttheperformanceofagivenmaterialinaspecificsterile-packagingapplication.Themaintenanceofsterilityinaparticularpackagingapplicationwilldependonanumberoffactors,including,butnotlimitedtothefollowing:5.1.1Thebacterialchallenge(numberandkindsofmicroorganisms)thatthepackagewillencounterinitsdistributionanduse.Thismaybeinfluencedbyfactorssuchasshippingmethods,expectedshelflife,geographiclocation,andstorageconditions.5.1.2Thepackagedesign,includingfactorssuchasadhesionbetweenmaterials,thepresenceorabsenceofsecondaryandtertiarypackaging,andthenatureofthedevicewithinthepackage.5.1.3Therateandvolumeexchangeofairthattheporouspackageencountersduringitsdistributionandshelflife.Thiscanbeinfluencedbyfactorsincludingthefree-airvolumewithinthepackageandpressurechangesoccurringasaresultoftransportation,manipulation,weather,ormechanicalinfluences(suchasroomdoorclosuresandHVACsystems).5.1.4Themicrostructureofaporousmaterialwhichinfluencestherelativeabilitytoadsorborentrapmicroorganisms,orboth,underdifferentair-flowconditions.1.1Thistestmethodisusedtodeterminethepassageofairbornebacteriathroughporousmaterialsintendedforuseinpackagingsterilemedicaldevices.Thistestmethodisdesignedtotestmaterialsunderconditionsthatresultinthedetectablepassageofbacterialsporesthroughthetestmaterial.1.1.1Around-robinstudywasconductedwithelevenlaboratoriesparticipating.EachlaboratorytestedduplicatesamplesofsixcommerciallyavailableporousmaterialstodeterminetheLRV.MaterialstestedunderthestandardconditionsdescribedinthistestmethodreturnedaveragevaluesthatrangefromLRV1.7to4.3.1.1.2Resultsofthisround-robinstudyindicatethatcautionshouldbeusedwhencomparingtestdataandrankingmaterials,especiallywhenasmallnumberofsamplereplicatesareused.Inaddition,furthercollaborativework(suchasdescribedinPracticeE691)shouldbeconductedbeforethistestmethodwouldbecondsideredadequateforpurposesofsettingperformancestandards.1.2Thistestmethodrequiresmanipulationofmicroorganismsandshouldbeperformedonlybytrainedpersonnel.TheU.S.DepartmentofHealthandHumanServicespublicationBiosafetyinMicrobiologicalandBiomedicalLaboratories(CDC/NIH-HHSPublicationNo.84-8395)shouldbeconsultedforguidance.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:07_100_01;55_040
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Tests-Screentestingofceramicalignmentsplitsleevebystressapplication
【原文标准名称】:光纤互连器件和无源元件.基本试验和测量规程.试验.通过施加压力陶瓷准直套管的试镜试验
【标准号】:BSEN61300-2-24-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-08-31
【实施或试行日期】:2010-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定心套筒;陶瓷;组件;尺寸规格;电气工程;电子工程;电子设备及元件;故障;光纤;玻璃纤维电缆;信息传递;测量;测量技术;光波导;应力;试验组织;试验;弱点
【英文主题词】:Centeringsleeves;Ceramic;Components;Dimensions;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Failure;Fibreoptics;Glassfibrecables;Informationtransfer;Measurement;Measuringtechniques;Opticalwaveguides;Stress;Testset-ups;Testing;Weakpoints
【摘要】:ThepurposeofthispartofIEC61300istoidentifyweaknessesinaceramicalignmentsplitsleevewhichcouldleadtoearlyfailureofthecomponent.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:18P;A4
【正文语种】:英语