BS EN 1759-3-2004 法兰及其连接件.标注等级的管道、阀门、配件和附件用圆形法兰.铜合金法兰

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【英文标准名称】:Flangesandtheirjoints-Circularflangesforpipes,valves,fittingsandaccessories,classdesignated-Copperalloyflanges
【原文标准名称】:法兰及其连接件.标注等级的管道、阀门、配件和附件用圆形法兰.铜合金法兰
【标准号】:BSEN1759-3-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-03-12
【实施或试行日期】:2004-03-12
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:密封件;铜合金;试验;规范(验收);法兰;作标记;附件;配件;管连接件;定义;尺寸;接触面;阀门;温度关系;名称与符号;复合材料;管;法兰管件;精整;压力;公差(测量);材料;质量保证
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesrequirementsforcircularcopperalloyflangesandcopperalloycollarscombinedwithloosesteelplateflangesinClassdesignationsClass150andClass300andnominalsizesfromDN10toDN900(NPS1/2toNPS36)inthetypesshowninTable1.Thisstandardalsospecifiesdimensionsandtolerances,materialsandtheirassociatedpressure/temperature(p/T)ratings,flangefacingsandrelatedsurfacefinish,weldrepairsandmarkingtogetherwithinformationonbolting,gaskets,applicationandinstallationandapproximateflangemasses.Theflangesspecified,withtheexceptionofintegral(type21)flanges,areforattachmenttocopperorcopperalloytubesinaccordancewithEN12449.NOTE1Thesizeofcopperandcopperalloytubesisdesignatedbyreferencetotheoutsidediameterinmillimetres.NOTE2SeealsoannexB.NOTE3Non-gasketedpipejointsareoutsidethescopeofthisstandard.
【中国标准分类号】:J15
【国际标准分类号】:23_040_60
【页数】:32P;A4
【正文语种】:英语


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【英文标准名称】:Oilseedresidues;determinationoftotalisothiocyanatecontentandvinylthiooxazolidonecontent
【原文标准名称】:油料种子残渣.全部异硫氰酸盐和乙烯基硫代恶唑烷酮含量的测量
【标准号】:ISO5504-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;氰酸盐;化学分析和试验;硫代乙酰胺;萃取种子;油料种子残渣;含量测定;农产品;油料种子;植物制品
【英文主题词】:agriculturalproducts;plantproducts;analysis;thioacetamide;cyanates;extractiongrists;oilseedresidues;determinationofcontent;chemicalanalysisandtesting;oilseeds
【摘要】:
【中国标准分类号】:X14
【国际标准分类号】:5295
【页数】:10P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforRubber-DeterminationofResidualUnsaturationinHydrogenatedNitrileRubber(HNBR)byInfraredSpectrophotometry
【原文标准名称】:橡胶的标准试验方法.加氢丁腈橡胶(HNBR)中残余不饱和的红外分光光度法测定
【标准号】:ASTMD5670-1995(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D11.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:橡胶化学制品;加氢丁腈橡胶HNBR;红外的;残余不饱和;试验;橡胶;材料;分光光度法;不饱和;化学分析;丁腈橡胶;红外分光光度法
【英文主题词】:unsaturation;hydrogenatednitrilerubber;(HNBR);infra-redspectrometry,IR
【摘要】:Hydrogenatednitrilerubbersareavailableatdifferentlevelsofunsaturationanddifferentacrylonitrilecontent.Highlysaturatedgradesofferoptimumresistancetoaging,suchasexposuretoheat,ozone,andchemicals,andcanbeeffectivelycuredonlywithperoxidesorhighenergyradiation.Partiallyunsaturatedgradescanbecuredbysulfursystemsinadditiontoperoxidesandhighenergyradiation.Thistestmethodprovidesaninfraredtechniquetodeterminetheunsaturationlevelofhydrogenatednitrilerubbersintherawstate.Itcanbeusedforresearchanddevelopment,qualitycontrol,andrefereepurposes.1.1Thistestmethod,basedoninfraredexaminationofrubberfilmscastfromsolution,coversthepercentageofresidualunsaturation(doublebondsinunhydrogenatedbutadiene)inhydrogenatednitrilerubber.1.2Thistestmethodisapplicabletoallgradesofhydrogenatednitrilerubberintherawstate.1.3Thistestmethodassumesthatspecimensandinfraredspectraarepreparedandanalyzedbyexperiencedpersonnelandthattheequipmentisoperatedaccordingtothemanufacturer'sdirectionforoptimumperformance.Nodetailsforoperationofinfraredspectrophotometersareincludedinthistestmethod.1.4Sinceitiscustomaryininfraredspectrophotometrytousewavenumbers(cm-1)ratherthanHertz(Hz),theunitforfrequencyintheSIsystem,theformerisemployedthroughoutthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G40
【国际标准分类号】:83_060
【页数】:5P.;A4
【正文语种】: