GB/T 9120.1-2000 突面对焊环板式松套钢制管法兰
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来源:标准资料网
基本信息
标准名称: | 突面对焊环板式松套钢制管法兰 |
英文名称: | Loose plate steel pipe flanges with welding neck collar with raised face |
中标分类: |
机械 >>
通用零部件 >>
管路附件 |
ICS分类: |
流体系统和通用件 >>
管道部件和管道 >>
法兰、管接头及其连接件
|
替代情况: | GB/T 9120.1-1988 GB/T 9120.2-1988;被GB/T 9120-2010代替 |
发布部门: | 国家质量技术监督局 |
发布日期: | 2000-09-02 |
实施日期: | 2001-07-01 |
首发日期: | 1988-04-25 |
作废日期: | 2011-10-01 |
主管部门: | 中国机械工业联合会 |
归口单位: | 全国管路附件标准化技术委员会 |
起草单位: | 化工机械研究院 |
出版社: | 中国标准出版社 |
出版日期: | 1900-01-01 |
页数: | 7页 |
适用范围
本标准规定了公称压力PN为1.0、1.6、2.5和4.0MPa的突面对焊环板式松套钢制管法兰的型式和尺寸。本标准适用于公称压力PN1.0~PN4.0MPa的突面对焊环板式松套钢制管法兰。
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引用标准
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所属分类: 机械 通用零部件 管路附件 流体系统和通用件 管道部件和管道 法兰 管接头及其连接件
【英文标准名称】:StandardPracticeforElectromagnetic(Eddy-Current)ExaminationofCopperandCopper-AlloyTubes
【原文标准名称】:铜及铜合金管的电磁(涡流)检验的标准实施规程
【标准号】:ASTME243-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:electromagnetic(eddycurrent)testing;NDT;nondestructivetesting;copper;tubing;Copper(electromagnetictesting);Eddycurrentexamination;Electromagnetic(eddycurrent)testing;Nondestructiveevaluation(NDE);SeamlessCu/Cualloytube;Conden
【摘要】:Eddy-currentexaminationisanondestructivemethodoflocatingdiscontinuitiesinaproduct.Signalscanbeproducedbydiscontinuitieslocatedeitherontheexternalorinternalsurfaceofthetubeorbydiscontinuitiestotallycontainedwithinthewalls.Sincethedensityofeddycurrentsdecreasesnearlyexponentiallyasthedistancefromtheexternalsurfaceincreases,theresponsetodeep-seateddefectsdecreases.Someindicationsobtainedbythismethodmaynotberelevanttoproductquality;forexample,arejectsignalmaybecausedbyminutedentsortoolchattermarksthatarenotdetrimentaltotheenduseoftheproduct.Irrelevantindicationscanmaskunacceptablediscontinuities.Relevantindicationsarethosewhichresultfromnonacceptablediscontinuities.Anyindicationabovetherejectlevelthatisbelievedtobeirrelevantshallberegardedasunacceptableuntilitisdemonstratedbyre-examinationorothermeanstobeirrelevant(see10.3.2).Eddy-currentexaminationsystemsaregenerallynotsensitivetodiscontinuitiesadjacenttotheendsofthetube(endeffect).On-lineeddy-currentexaminingwouldnotbesubjecttoendeffect.Discontinuitiessuchasscratchesorseamsthatarecontinuousanduniformforthefulllengthofthetubemaynotalwaysbedetected.1.1Thispracticecoverstheproceduresthatshallbefollowedineddy-currentexaminationofcopperandcopper-alloytubesfordetectingdiscontinuitiesofaseveritylikelytocausefailureofthetube.Theseproceduresareapplicablefortubeswithoutsidediametersto31/8in.(79.4mm),inclusive,andwallthicknessesfrom0.017in.(0.432mm)to0.120in.(3.04mm),inclusive,orasotherwisestatedinASTMproductspecifications;orbyotherusersofthispractice.Theseproceduresmaybeusedfortubesbeyondthesizerangerecommended,uponcontractualagreementbetweenthepurchaserandthemanufacturer.1.2Theproceduresdescribedinthispracticearebasedonmethodsmakinguseofencirclingannularexaminationcoilsystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Note18212;Thispracticemaybeusedasaguidelinefortheexamination,bymeansofinternalprobeexaminationcoilsystems,ofinstallationsusingtubularproductswheretheoutersurfaceofthetubeisnotaccessible.Forsuchapplications,thetechnicaldifferencesassociatedwiththeuseofinternalprobecoilsshouldberecognizedandaccommodated.Theeffectofforeignmaterialsonthetubesurfaceandsignalsduetotubesupportsaretypicalofthefactorsthatmustbeconsidered.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:23_040_15
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Phenol,o-cresol,m-cresolandp-cresolforindustrialuse;Determinationofcrystallizingpointafterdryingwithamolecularsieve
【原文标准名称】:工业用苯酚、邻甲酚、间甲酚和对甲酚用分子筛干燥后结晶点测定
【标准号】:ISO2208-1973
【标准状态】:作废
【国别】:国际
【发布日期】:1973-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;干燥;物理试验;筛分设备;结晶;苯酚;酚类;甲酚
【英文主题词】:physicaltesting;phenol;cresol;sievingequipment;testing;phenols;tests;crystallization;drying
【摘要】:
【中国标准分类号】:G15
【国际标准分类号】:71_080_90;71_080_15
【页数】:2P;A4
【正文语种】:英语