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ASTM F37-2006 衬垫材料密封性的标准试验方法

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【英文标准名称】:StandardTestMethodsforSealabilityofGasketMaterials
【原文标准名称】:衬垫材料密封性的标准试验方法
【标准号】:ASTMF37-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F03.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密封;密封材料;密封件;试验
【英文主题词】:flange;fluid;gas;gasketmaterials;leakage;manometer;pressure;sealability
【摘要】:Thesetestmethodsaredesignedtocomparegasketmaterialsundercontrolledconditionsandtoprovideaprecisemeasureofleakagerate.Thesetestmethodsaresuitableformeasuringleakageratesashighas6L/handaslowas0.3mL/h.Inmanycases,x201C;zerox201D;leakagemaynotbeattainable.Thesetestmethodsevaluateleakageratesaftertimeperiodsthataretypically5to30minunderload.Holdingagasketmaterialunderloadforextendedtimeperiodsmaygivedifferentresults.Ifthefluidbeingusedinthetestcauseschanges,suchasswelling,inthegasketmaterial,thenunpredictableresultsmaybeobtained.1.1Thesetestmethodsprovideameansofevaluatingthesealingpropertiesofsheetandsolidform-in-placegasketmaterialsatroomtemperature.TestMethodAisrestrictedtoliquidleakagemeasurements,whereasTestMethodBmaybeusedforbothliquidandgasleakagemeasurements.1.2Thesetestmethodsaresuitableforevaluatingthesealingcharacteristicsofagasketmaterialunderdifferentcompressiveflangeloads.Thetestmethodmaybeusedasanacceptancetestwhentheproduceranduserhaveagreedtospecifictestconditionsforthefollowingparameters:testmedium,internalpressureonmedium,andflangeloadongasketspecimens.1.3Thesetestmethodsuseasmall-diameternarrow-widthgasketasthetestspecimenunderrelativelylowgasketloadsandrelativelylowpressures.TestMethodF2378isanothersealabilitytestmethodthatusesalargergasketspecimenandhigherinternalpressuresandflangeloads.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Forspecifichazardorwarningstatements,orboth,see5.2.11,Section6,6.3,8.2.4,11.3.2,and11.4.2.)
【中国标准分类号】:J22
【国际标准分类号】:21_140
【页数】:8P.;A4
【正文语种】:


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【英文标准名称】:Extrudedparticleboards-Specifications
【原文标准名称】:挤压碎料板.规范
【标准号】:BSEN14755-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-01-11
【实施或试行日期】:2006-01-11
【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】:抗弯强度;建筑材料;木屑板;施工材料;建筑产品;定义;尺寸变化;干燥地区;挤压板;作标记;机械性能;碎料板;生产控制;特性;规范(验收);试件;测试;横向拉伸强度;木材技术;木质薄板材
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiestherequirementsfornonload-bearingextrudedparticleboardsforuseindryconditions.NOTEDryconditionsaredefinedintermsofserviceclass1ofEN1995-1-1whichischaracterizedbyamoisturecontentinthematerialcorrespondingtoatemperatureof20°Candarelativehumidityofthesurroundingaironlyexceeding65%forafewweeksperyear.Boardsofthistypeareonlysuitableinbiologicalhazardclass1ofEN335-3.
【中国标准分类号】:B70
【国际标准分类号】:79_060_20
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforSaturatedWaterPermeabilityofGranularDrainageMedia[Falling-HeadMethod]forGreenRoofSystems
【原文标准名称】:新暴露顶板系统用粒状排水介质(落差法)的饱和水渗透性的标准试验方法
【标准号】:ASTME2396-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E60.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:granular,coarseaggregate;greenroof;low-head;waterpermeability
【摘要】:Thistestmethodaddressesperformancecharacteristicsforgreenroofsystemswithrespecttothewaterpermeabilityofthedrainagemedia.5.1.1Waterpermeabilityofcoarsematerialsishighlyinfluencedbytheheadconditionsunderwhichitismeasured.Ingreenroofs,coarsematerialsarefrequentlyusedtocreatedrainagezonesforpercolatedrainfall.5.1.2Thistestmethodisintendedtoprovidewaterpermeabilitydatathatisrelevanttothisdesignconditionthatischaracterizedbyhorizontalflowunderlow-head.Thiswillalsoallowtheperformanceofgranulardrainagelayersingreenroofsystemstobecompareddirectlytoalternativecomponents,suchasgeocompositedrainlayers.Determiningtheperformancecharacteristicsofgreenroofsystemsprovidesinformationtofacilitatetheassessmentofrelatedengineeringaspectsofthefacility.Suchaspectsmayincludestructuraldesignrequirements,mechanicalengineeringandthermaldesignrequirements,andfireandlifesafetyrequirements.Determiningtheperformancecharacteristicsofgreenroofsystemsprovidesinformationtofacilitateassessmentoftheperformanceofonegreenroofsystemrelativetoanother.1.1Thistestmethodcoversaprocedurefordeterminingthewaterpermeabilityofcoarsegranularmaterialsusedinthedrainagelayersofgreenroofsystems.1.2Thistestmethodaddresseswaterpermeabilityunderthelow-headconditionsthattypifyhorizontalflowingreenroofapplications.1.3Thistestmethodissuitableforcoarse-grainedmaterialswith100%ofthematerialretainedontheU.S.8(2.25mm)sieve.Itisnotsuitableforfiner-grainedmaterials.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:65_020_20;91_060_20
【页数】:3P.;A4
【正文语种】: