【英文标准名称】:TestMethodforPressureRatingPoly(vinylChloride)(PVC)PlasticPipeFittings,Schedule40and80Socket-type
【原文标准名称】:表:40～80插接式氯化聚氯乙烯(PVC)塑料管配件的标准规范
【标准号】:ANSI/ASTMF2261-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-07-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:氯化物;配件;管道配件;塑料管;塑料管配件;额定压力;PVC;额定;座孔;试验;氯乙烯
【英文主题词】:Chlorides;Fittings;Pipefittings;Plasticpipes;Plasticsfittings;Pressureratings;PVC;Rating;Sockets;Testing;Vinylchloride
【摘要】:ThistestmethodcoversaprocedureforestablishingPressureRatingforPVCschedule40and80socket-typefittingsbyevaluatingfittingfailuretestdataderivedbytestingwater-filledassembliesofpipeandfittings.Unlessthedataapproximatesastraightline,whencalculatedusinglog-logcoordinates,itisnotpossibletoassignapressureratingtothatproductorsampleofproduct.Datathatexhibithighscatter,oradownwardcurve,duetolowlongtermdata,willgivelowextrapolatedvaluesthataremoreconservativewhencalculatedusinglog-logco-ordinates.Inaddition,thisdownwardcurvewillshowashigherscatter,andwherethelowerconfidencelevellimitsarenotmetthedatashallbeclassifiedasunsuitable.(SeeNote1)Note1ThistestmethodissimilartothatusedinTestMethodD2837,whichhasbeenusedforabout30yearstoestablishtheHDSofplasticpipematerialsandisthebasisforallpressureratingsassignedtoplasticpipes.Theproductscoveredbythistestmethodareschedule40or80moldedPVCfittingsthatconformtoSpecificationsD2466orD2467.Thepressureratingsdevelopedusingthistestmethodappliesonlytofittingsidenticaltotheonesthatweretested.Somevariablesthatwillaffectthepressureratingare-pipesize,pattern,molddesign,material,andmoldingconditions.Thevaluesininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.ThetestingprocedureusedtoobtainthefittingfailuredatashallbeasdescribedinthosesectionsofTestMethodD1598,thatarereferencedinSectionofthistestmethod.Theproductscoveredbythistestmethodareintendedforuseinthedistributionofpressurizedliquidsat73?F.Whenappropriate,thedesignengineermustconsidertheeffectsofelevatedtemperatureandchemicalcompatibilityoftheliquidwiththefittingmaterialandapplynecessarydesignfactors.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicationofregulatorylimitationspriortouse.Note2Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafetyhazardsshouldasystemfailforanyreason.
【中国标准分类号】:J15
【国际标准分类号】:23_040_45
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 汽缸鞲鞴修理等级 |
| 中标分类： |
铁路 >>
机车车辆通用标准 >>
机车车辆通用标准综合 |
| 发布日期： | |
| 实施日期： | 1992-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 2页 |
适用范围
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引用标准
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所属分类： 铁路 机车车辆通用标准 机车车辆通用标准综合