您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN 14276-1-2006+A1-2011 制冷系统和热泵用压力设备.容器.一般要求

作者:标准资料网 时间:2024-05-16 08:55:24  浏览:9345   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Pressureequipmentforrefrigeratingsystemsandheatpumps.Vessels.Generalrequirements
【原文标准名称】:制冷系统和热泵用压力设备.容器.一般要求
【标准号】:BSEN14276-1-2006+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2006-07-31
【实施或试行日期】:2006-07-31
【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】:
【英文主题词】:Definitions;Design;Documentations;Heatpumps;Materials;Materialsspecification;Pressureequipment;Pressurevessels;Production;Refrigerants;Refrigeratingplant;Refrigeratingplants;Refrigeration;Safetyrequirements;Specification(approval);Stationary;Stress;Testing;Thermalstress;Vessels
【摘要】:ThisEuropeanStandardspecifiestherequirementsformaterial,design,manufacturing,testinganddocumentationforstationarypressurevesselsintendedforuseinrefrigeratingsystemsandheatpumps.ThesesystemsarereferencedinthisstandardasrefrigeratingsystemsasdefinedinEN378-1.ThisEuropeanStandardappliestovesselsincludingweldedorbrazedattachmentsuptoandincludingthenozzleflanges,screwed,weldedorbrazedconnectorsortotheedgetobeweldedorbrazedatthefirstcircumferentialjointconnectingpipingorotherelements.ThisEuropeanStandardappliestopressurevesselswithaninternalpressuredownto–1bar,toaccountfortheevacuationofthevesselpriortochargingwithrefrigerant.ThisEuropeanStandardappliestoboththemechanicalloadingconditionsandthermalconditionsasdefinedinEN13445-3associatedwithrefrigeratingsystems.ItappliestopressurevesselssubjecttothemaximumallowabletemperaturesforwhichnominaldesignstressesformaterialsarederivedusingEN13445-2andEN13445-3orasspecifiedinthisstandard.Inadditionvesselsdesignedtothisstandardshouldhaveamaximumdesigntemperaturenotexceeding200°Candamaximumdesignpressurenotexceeding64bars.Outsideoftheselimits,itisimportantthatEN13445beusedforthedesign,constructionandinspectionofthevessel.Underthesecircumstancesitisimportantthattheuniquenatureofrefrigeratingplant,asindicatedintheintroductiontothisstandard,alsobetakenintoaccount.ItisimportantthatpressurevesselsusedinrefrigeratingsystemsandheatpumpsofcategorylessthanIIasdefinedinAnnexHcomplywithotherrelevantclausesofEN378-2forvessels.ThisEuropeanStandardappliestopressurevesselswherethemainpressurebearingpartsaremanufacturedfrommetallicductilematerialsasdefinedinClause4andAnnexIofthisstandard.ThisEuropeanStandarddoesnotapplytovesselsofthefollowingtypes:—vesselsofrivetedconstruction;—multilayered,autofrettagedorprestressedvessels;—vesselsdirectlyheatedbyaflame;—?rollbond?heatexchangers.
【中国标准分类号】:Q76;J74
【国际标准分类号】:23_020_30;27_080;27_200
【页数】:90P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodsforinvitroPulsatileDurabilityTestingofVascularStents
【原文标准名称】:血管支架的体外脉动持久性测试用标准试验方法
【标准号】:ASTMF2477-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F04.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:磨损;通路;合金;特征;充气囊;弯曲;生物降解能力;血管;校准;涂覆的;条件;导(线)管;遮盖物;破碎;曲线的;周期的;测定;偏差;疾病;持久性;持续时间;动态的;血管内的;可扩张的;扩张件;水力的;仪器;实验室测试;极限;负荷;测量装置;金属;重叠;个人保健;生理学的;高聚物;压力容器;公
【英文主题词】:durabilitytest;endovascularcardiology;fatiguetest;interventionalcardiology;intravasculardevicetest;pressurecontrol;pulsatilefatigue;stentdurability;stentfatigue;stenttest;straincontrol;vascularstent
【摘要】:1.1Thesetestmethodscoverthedeterminationofthedurabilityofavascularstentbyexposingittophysiologicallyrelevantdiametricdistensionlevelsbymeansofhydrodynamicpulsatileloading.Thistestingoccursonastenttestspecimenthathasbeendeployedintoamock(elasticallysimulated)vessel.Thetypicaldurationofthistestis10yearsofequivalentuse(at72beatsperminute),oratleast380millioncycles.1.2Thesetestmethodsareapplicabletoballoon-expandableandself-expandingstentsfabricatedfrommetalsandmetalalloys.Itdoesnotspecificallyaddressanyattributesuniquetocoatedstents,polymericstents,orbiodegradablestents,althoughtheapplicationofthistestmethodtothoseproductsisnotprecluded.1.3Thesetestmethodsdonotincluderecommendationsforendovasculargrafts("stent-grafts")orotherconduitproductscommonlyusedtotreataneurismaldiseaseorperipheralvesseltraumaortoprovidevascularaccess,althoughsomeinformationincludedhereinmaybeapplicabletothosedevices.1.4Thesetestmethodsarevalidfordeterminingstentfailureduetotypicalcyclicbloodvesseldiametricdistension.Thesetestmethodsdonotaddressothermodesoffailuresuchasdynamicbending,torsion,extension,crushing,orabrasion.1.5Thesetestmethodsdonotaddresstestconditionsforcurvedmockvessels.1.6Thesetestmethodsdonotaddresstestconditionsforoverlappingstents.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.8GeneralCaveat8212;Thisdocumentcontainsguidancefortestingasiscurrentlycarriedoutinmostlaboratories.Othertestingtechniquesmayprovetobemoreeffectiveandareencouraged.Whichevertechniqueisused,itisincumbentuponthetestertojustifytheuseoftheparticulartechnique,instrument,andprotocol.Thisincludesthechoiceofandpropercalibrationofallmeasuringdevices.Deviationsfromanyofthesuggestionsinthisdocumentmaybeappropriatebutmayrequirethesamelevelofcomprehensivejustificationthatthetechniquesdescribedhereinwillrequire.
【中国标准分类号】:C30
【国际标准分类号】:11_040_25
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:QUALITYMANAGEMENT.GUIDELINESFORCONFIGURATIONMANAGEMENT.(EUROPEANSTANDARDENISO10007).
【原文标准名称】:质量管理.设备配制管理指南
【标准号】:NFX50-122-7-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-10
【实施或试行日期】:1996-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A00
【国际标准分类号】:03_120_10
【页数】:25P;A4
【正文语种】:其他