【英文标准名称】:StandardSpecificationforThermoplasticWellCasingPipeandCouplingsMadeinStandardDimensionRatios(SDR),SCH40andSCH80
【原文标准名称】:按标准尺寸比(SDR)制作的热塑性壁铸造管和耦合件规范(表40和表80)
【标准号】:ASTMF480-2006b
【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】:F17.61
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:耦合器;管;塑料管;热塑性聚合物
【英文主题词】:couplings;flushthread;groundwater;poly(vinylchloride);PVC;thermoplastic;well-casing;wellscreen
【摘要】:1.1Thisspecificationcoverswaterwellcasingpipeandcouplingsmadefromthermoplasticmaterialsinstandarddimensionratios(SDR),SCH40andSCH80.1.2Specificationsareprovidedfortheapplicationofthesematerialstowaterwellandgroundwatermonitoringapplications.Flushthreadedjointsystemsareincludedforscreenandcasingusedprimarilyintheconstructionofgroundwatermonitoringwells(seePracticeD5092).1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesareprovidedforinformationonlyIEEE/ASTMSI10).Note18212;Certainfieldconditionsmayrequirealternativematerialstoensuresafelong-termuse.Theusershouldconsultfederal,state,andlocalcodesgoverningtheuseofthermoplasticmaterialsforwellcasingormonitorpipe.Note28212;Thisstandardspecifiesdimensional,performanceandtestrequirementsforplumbingandfluidhandlingapplications,butdoesnotaddressventingofcombustiongases.1.4AlthoughthepipesizesandSDRvalueslistedinthisspecificationaregenerallyavailable,numerousotherplasticpipesinSchedule40and80wall,otherSDRvaluesandvariousoutsidediametershavebeenusedforwellcasing.SuchproductsareoftenselectedbecausetheyfulfillcertainneedsandincludesalistofthesePlasticPipeWellCasingSpecials.Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section6,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33;E92
【国际标准分类号】:23_040_20
【页数】:26P.;A4
【正文语种】: