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DIN EN 545-2007 水管用球墨铸铁管、配件、附件及其接头.要求和试验方法

作者:标准资料网 时间:2024-05-16 05:57:28  浏览:8617   来源:标准资料网
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【英文标准名称】:Ductileironpipes,fittings,accessoriesandtheirjointsforwaterpipelines-Requirementsandtestmethods;GermanversionEN545:2006
【原文标准名称】:水管用球墨铸铁管、配件、附件及其接头.要求和试验方法
【标准号】:DINEN545-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;铸铁管;铸铁;铸铁管道;覆层;定义;尺寸;配件;功能效率;功能可靠性;功能;内部覆层;作标记;机械性能;公称尺寸;管道配件;管道;管;管道工程系统;质量保证;规范(验收);球墨铸铁;表(数据);试验;输水管道;水常规;水常规(实验)
【英文主题词】:Accessories;Castironpipes;Cast-iron;Cast-ironpipe;Cast-ironpipelines;Coatings;Definitions;Dimensions;Fittings;Functionalefficiency;Functionalreliability;Functions;Internalcoatings;Marking;Mechanicalproperties;Nominalsize;Pipefittings;Pipelines;Pipes;Pipeworksystems;Qualityassurance;Specification(approval);Spheroidal-graphitecast-iron;Tables(data);Testing;Waterpipelines;Waterpractice
【摘要】:ThisEuropeanStandardspecifiestherequirementsandassociatedtestmethodsapplicabletoductileironpipes,fittings,accessoriesandtheirjointsfortheconstructionofpipelines:-toconveywater(e.g.potablewater);-withorwithoutpressure;-tobeinstalledbeloworaboveground.Thisstandardisapplicabletopipes,fittingsandaccessorieswhichare:-manufacturedwithsocketed,flangedorspigotends;-normallydeliveredexternallyandinternallycoated;-suitableforfluidtemperaturesbetween0℃and50℃,excludingfrost.Thisstandardcoverspipes,fittingsandaccessoriescastbyanytypeoffoundryprocessormanufacturedbyfabricationofcastcomponents,aswellascorrespondingjoints,inasizerangeextendingfromDN40toDN2000,inclusive.Thisstandardspecifiesrequirementsformaterials,dimensionsandtolerances,mechanicalpropertiesandstandardcoatingsofductileironpipesandfittings.Italsogivesperformancerequirementsforallcomponentsincludingjoints.Jointdesignandgasketshapesareoutsidethescopeofthisstandard.NOTEInthisstandard,allpressuresarerelativepressures,expressedinbars(100kPa=1bar).
【中国标准分类号】:J15
【国际标准分类号】:23_040_10;23_040_40
【页数】:91P.;A4
【正文语种】:德语


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【英文标准名称】:Footwear-Testmethodforaccessories:touchandclosefasteners-Peelstrenghtbeforeandafterrepeatedclosingstmethodforaccessories-Touchandclosefasteners-Peelstrengthbeforeandafterrepeatedclosing
【原文标准名称】:鞋靴.附件的试验方法:粘扣.附件用反复粘合前后的剥离强度法.粘扣.反复粘合前后的剥离强度
【标准号】:BSENISO22777-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-01-06
【实施或试行日期】:2005-01-06
【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】:抗磨损耐力;鞋厂;规范(验收);定义;试验;特性;靴;评定;处理;线环;附件;耐力;鞋带;鞋靴;温度;耐腐蚀性;金属;温湿度预调节;材料强度;变化;湿度;适用性;紧固件;试验大气环境;闭塞物;剪切强度;皮革制品;偏差;鞋;剥离强度
【英文主题词】:
【摘要】:Thisdocumentspecifiesatestmethodfordeterminingthepeelstrengthoftouchandclosefastenersbeforeandafterrepeateduse.
【中国标准分类号】:Y78
【国际标准分类号】:61_060
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforEvaluatingtheInfluenceofThermalInsulationsonExternalStressCorrosionCrackingTendencyofAusteniticStainlessSteel
【原文标准名称】:评定奥氏体钢热绝缘材料对外应力腐蚀开裂趋势的影响的标准试验方法
【标准号】:ASTMC692-2008e1
【标准状态】:现行
【国别】:
【发布日期】:2008
【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】:C16.31
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:奥氏体不锈钢;氯化物;德纳试验;滴水试验;外应力腐蚀裂痕(ESCC);鉴定试验;隔热;奥氏体不锈钢热绝缘;毛细作用
【英文主题词】:austeniticstainlesssteel;chloride;Danatest;Driptest;externalstresscorrosioncracking(ESCC);qualificationtest;thermalinsulation;Austeniticstainlesssteelthermalinsulation;Wicking
【摘要】:Aninherentcharacteristicofsomealloysofausteniticstainlesssteelistheirtendencytocrackatstresspointswhenexposedtocertaincorrosiveenvironments.ThemechanismsofESCCarecomplexandnotcompletelyunderstoodbutareapparentlyrelatedtocertainmetallurgicalproperties.Chlorideionsconcentratedatastresspointwillcatalyzecrackformation.IthasbeenreportedthatotherhalideionsdonotpromoteESCCtothesamedegreeasdoeschlorideusingthetesttechnologyofTestMethodC692(driptest).Chloridesarecommontomanyenvironments,sogreatcareshallbetakentoprotectausteniticstainlesssteelfromchloridecontamination.Mostthermalinsulationswillnot,ofthemselves,causestresscorrosioncrackingasshownbyqualificationtests.Whenexposedtoelevated-temperature(boilingpointrange),environmentscontainingchlorides,moisture,andoxygen,however,someinsulationsystemsactascollectingmedia,transmigratingandconcentratingchloridesonheatedstainlesssteelsurfaces.Ifmoistureisnotpresent,thechloridesaltscannotmigrate,andstresscorrosioncrackingbecauseofchloride-contaminatedinsulationcannottakeplace.Insulationmaterialsareavailablethatarespeciallyformulatedtoinhibitstresscorrosioncrackinginthepresenceofchloridesthroughmodificationsinbasiccompositionorincorporationofcertainchemicaladditives.Theabilityofthe28-daytesttomeasurethecorrosionpotentialofinsulationmaterialsisdocumentedbyKarnes,whosedataappeartohavebeenusedforconstructionoftheacceptabilitycurveusedinSpecificationC795andotherspecifications.Themetalforallofthecouponsusedinthistestmethod(C692)shallbequalified(seeSection14)toascertainthatunderconditionsofthetest,chlorideionswillcausethemetaltocrack,anddeionizedwateralonewillnotcausecracks.1.1Thistestmethodcoverstwoproceduresforthelaboratoryevaluationofthermalinsulationmaterialstodeterminewhethertheycontributetoexternalstresscorrosioncracking(ESCC)ofausteniticstainlesssteelduetosolublechlorideswithintheinsulation.ThislaboratoryprocedureisnotintendedtocoverallofthepossiblefieldconditionsthatcontributetoESCC.1.2Whilethe1977editionofthistestmethod(Danatest)isapplicableonlytowicking-typeinsulations,theproceduresinthiseditionareintendedtobeapplicabletoallinsulatingmaterials,includingcements,someofwhichdisintegratewhentestedinaccordancewiththe1977edition.Wickinginsulationsarematerialsthatwetthroughandthroughwhenpartially(50to75%)immersedinwaterforashortperiodoftime(10minorless).1.3Theseproceduresareintendedprimarilyasapreproductiontestforqualificationofthebasicchemicalcompositionofaparticularmanufacturer''sproductandarenotintendedtoberoutinetestsforongoingqualityassuranceorproductionlotcompliance.TestMethodsC871,ontheotherhand,isusedforconfirmationofacceptablechemicalpropertiesofsubsequentlotsofinsulationpreviouslyfoundacceptablebythistestmethod.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitat......
【中国标准分类号】:
【国际标准分类号】:77_060
【页数】:7P.;A4
【正文语种】:



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