基本信息
| 标准名称： | 舰船用VHF/UHF信道数字语言保密设备通用规范 |
| 中标分类： |
船舶 >>
船舶电气、观通、导航设备 >>
船舶通信设备 |
| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
船用电气设备
|
| 发布日期： | 1993-11-08 |
| 实施日期： | 1994-05-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 13页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 船舶 船舶电气 观通 导航设备 船舶通信设备 造船和海上建筑物 船舶和海上建筑物综合 船用电气设备
【英文标准名称】:StandardSpecificationforCoextrudedCompositeDrain,Waste,andVentPipe(DWV)
【原文标准名称】:共挤制复合排水、排污、通风管(DWV)的标准规范
【标准号】:ASTMF1499-2001(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:F17.63
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:ABS;cellular;coextruded;composite;PVC;Acrylonitrile-butadiene-styrene(ABS)pipe/fittings--specifications;Coextrudedcompositepipe;Composites--pipingapplications(specifications);Drain/waste/vent(DWV)--thermoplastics;Poly(vinylchloride)(P
【摘要】:1.1Thisspecificationcoverscoextrudedcompositedrain,waste,andventpipe(DWV).ThepipeisproducedinSchedule40IPSsizesbyacoextrusiondiesystem,inwhichtheconcentriclayersareformedandcombinedbeforeexitingthedie.1.1.1Coextrudedcompositedrain,waste,andventpipe,DWV,bydefinition,ispermittedtobeproducedwithtwoormorelayers.TheouterlayershallbeABS.ThemiddlelayerispermittedtobethermallyfoamedPVCorsolidPVCorablendofreworkmaterial,asspecifiedinthereworkmaterialsection.TheinnerlayerispermittedtobesolidPVCorABS,orablendofreworkmaterialasspecifiedinthereworkmaterialsection.1.1.2Thefunctionofthisspecificationistoprovidestandardizationofproduct,technicaldata,andserveasapurchasingguide.1.2DWVispermittedtobeproducedutilizingatwolayerorthreelayercoextrusiondie.1.3Materialsthatdonotmeettherequirementsofthematerialsectionareexcluded.1.4PipeproducedtothisspecificationispermittedtobejoinedusingmoldedfittingsmeetingtherequirementsofSpecificationD2661orSpecificationF628.ThefittingpatternsmustcomplywithSpecificationD3311.1.5Pipeproducedtothisspecificationispermittedtobeperforatedinaccordancewithanyspecifiedstandardorbyagreementbetweenthepurchaserandthesupplier.1.6Pipeproducedtothisspecificationispermittedtobebelledforjoiningbysolventcementingorbelledforjoiningbyanelastomericseal(gasket),inaccordancewithanyspecifiedstandardorbyagreementbetweenthepurchaserandthesupplier.1.7Recommendationsforstorage,joining,andinstallationareprovidedinAppendixX1,AppendixX2,andAppendixX3,respectively.1.8Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.9Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisspecification.1.10Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.11Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Specificationsrelatedtothisspecificationareasfollows:SpecificationsD2661,D2665,F628,andF891.
【中国标准分类号】:Q81
【国际标准分类号】:93_030
【页数】:9P.;A4
【正文语种】:英语