ASTM F679-2008 大直径聚氯乙烯(PVC)塑料重力污水管和配件的标准规范

时间:2024-03-29 14:53:16 来源: 标准资料网 作者:标准资料网 阅读:9261
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforPoly(VinylChloride)(PVC)Large-DiameterPlasticGravitySewerPipeandFittings
【原文标准名称】:大直径聚氯乙烯(PVC)塑料重力污水管和配件的标准规范
【标准号】:ASTMF679-2008
【标准状态】:现行
【国别】:美国
【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】:F17.62
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Gravitysewerpipe--specifications;Largediameterplasticpipe--specifications;Poly(vinylchloride)(PVC)fittings--specifications;Poly(vinylchloride)(PVC)pipe--specifications;Sewerpipe(thermoplastic)--specifications
【摘要】:1.1Thisspecificationcoversrequirementsandtestmethodsformaterials,dimensions,workmanship,flatteningresistance,impactresistance,pipestiffness,extrusionquality,joiningsystem,andaformofmarkingforlargediameters,18to48in.poly(vinylchloride)(PVC)sewerpipeandfittingswithintegralbellelastomericsealjointsandsmoothinnerwalls.1.2Therequirementsofthisspecificationareintendedtoprovidepipeandfittingssuitablefornonpressuredrainageofsewageandsurfacewater.PipeandfittingsproducedtothisspecificationshouldbeinstalledinaccordancewithPracticeD2321.Note18212;Industrialwastedisposallinesshouldbeinstalledonlywiththespecificapprovalofthegoverningcodeauthoritysincetemperaturesinexcessof140x00B0;F(60x00B0;C)andchemicalsnotcommonlyfoundindrainsandsewersmaybeencountered.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareprovidedforinformationpurposesonly.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section7,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Rubberlatices-Methodsoftest-Determinationofdensityofnaturalrubberlatices
【原文标准名称】:橡胶乳.第3部分:试验方法.第7节:天然橡胶乳密度测定
【标准号】:BS6057-3.7-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-02-15
【实施或试行日期】:1995-02-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:胶乳;天然橡胶;密度测量;合成橡胶;试验条件;密度
【英文主题词】:Definition;Definitions;Densimetry;Density;Latices;Naturalrubber;Naturalrubberlatex;Plastics;Rubber;Temperature;Testing;Vulcanizedrubber
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthedensityofnaturalrubberlatexconcentratebetweenthetemperaturesof5℃and40℃.Thestandardisintendedforusewhendensitydeterminationsareusedtocalculatethemassofameasuredvolumeoflatexinlocationswhereitisnotpracticaltoweighdirectlyortocontrolthetempera-tureofthelaboratory.Forsuchpurposes,itisessen-tialthatthedensitybedeterminedonalatexsamplecontainingthesameamountofairasitcontainedwhenthevolumewasmeasured.Therefore,thelatexbulkisallowedtostandforaminimumperiodof24hbeforesamplingtoensuretheremovalofairbubbles.Thedensitydeterminationispreferablymadeatthesametemperatureasthevolumemeasurement,otherwiseacorrectionmustbeap-plied.Thismethodissuitableforalllaticesfromnaturalsources,forsyntheticlatexandforcompoundedorprevulcanizedlatex,aswellasforartificialdispersionsofrubber;however,thetemperaturecorrectiongivenin7.2isnotnecessarilyvalidforallthese.Formeasurementsmadeatstandardtemperatures,ISO8962:1987,Plastics—Polymerdispersions—Determinationofdensityshouldbeused.NOTE1ItisintendedthatfutureeditionsofISO8962willbemodifiedtoincludelatexinthescope.
【中国标准分类号】:B72
【国际标准分类号】:83_040_10
【页数】:8P;A4
【正文语种】:英语


【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixturesusingdynamicvolumetricmethods-Permeationmethod
【原文标准名称】:气体分析.用动态容积法校准气体混合物的准备.渗透法
【标准号】:BSENISO6145-10-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2002-03-25
【实施或试行日期】:2002-03-25
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;校准;校准气体;化学分析和试验;控制样品;动态的;气体分析;气体混合物;气体;检验设备;数学计算;方法;渗透;试验气体;容量;容量分析
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Controlsamples;Dynamic;Gasanalysis;Gasmixtures;Gases;Inspectionequipment;Mathematicalcalculations;Methods;Permeation;Testgases;Volumetric;Volumetricanalysis
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:26P;A4
【正文语种】:英语