您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN ISO 21003-2-2008+A1-2011 建筑物内冷热水装置用多层管道系统.管道

时间:2024-05-18 08:26:04 来源: 标准资料网 作者:标准资料网 阅读:9646
下载地址: 点击此处下载
【英文标准名称】:Multilayerpipingsystemsforhotandcoldwaterinstallationsinsidebuildings.Pipes
【原文标准名称】:建筑物内冷热水装置用多层管道系统.管道
【标准号】:BSENISO21003-2-2008+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2008-09-30
【实施或试行日期】:2008-09-30
【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】:
【英文主题词】:Applications;Buildings;Classification;Coldwater;Coldwaterconduit;Drinkingwater;Heatedsystems;Heatingequipment;Hotwater;Hot-watercentralheating;Houseinstallations;Installations;Materials;Multilayersystem;Operatingconditions;PB;PE-X;Pipefittings;Pipelineinstallations;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyesterresins;Polyethylene;Polymericmaterials;Polypropylene;Polyvinylchloride;Potablewater;PP;PVC-C;Serviceinstallationsinbuildings;Servicewater;Specification(approval);Testing;Thermalenvironmentsystems;Use;Warmwater;Water;Waterpipelines;Waterpractice;Watersupply;Watersupplyinstallations
【摘要】:ThispartofISO21003specifiesthecharacteristicsofpipesformultilayerpipingsystemsintendedtobeusedforhotandcoldwaterinstallationsinsidebuildingsfortheconveyanceofwater—whetherornotthewaterisintendedforhumanconsumption(domesticsystems)orheatingsystems—underspecifieddesignpressuresandtemperaturesappropriatetotheclassofapplication(seeTable1ofISO21003-1:2008).ItalsospecifiesthetestparametersforthetestmethodsreferredtointhispartofISO21003.ISO21003isareferenceproductstandard.Itisapplicabletomultilayerpipes,fittings,theirjoints,andalsotojointswithcomponentsmadeofotherplasticsandnon-plasticsmaterialsintendedtobeusedforhotandcoldwaterinstallations.ThispartofISO21003isintendedforuseonlyinconjunctionwithalltheotherpartsofISO21003.ISO21003coversarangeofserviceconditions(applicationclasses)anddesignpressures.Itisnotapplicableforvaluesofdesigntemperature,TD,maximumdesigntemperature,Tmax,andmalfunctiontemperature,Tmal,inexcessofthoseinTable1ofISO21003-1:2008.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.Thepolymericmaterialsusedforthestress-designedlayersarethefollowing:polybutylene(PB),polyethyleneofraisedtemperatureresistance(PE-RT),crosslinkedpolyethylene(PE-X),polypropylene(PP)andchlorinatedpoly(vinylchloride)(PVC-C).ThePE-Xusedshallbefullycrosslinkedandshallcomplywiththerequirementsoftherelevantreferenceproductstandard(ISO15875).NOTE2ForthepurposesofISO21003,crosslinkedpolyethylene(PE-X)aswellasadhesivesareconsideredasthermoplasticmaterials.Solid-wallpipeswiththinouterlayers(appliedasprotectionlayersorbarrierlayers,forinstance)arenotcoveredbyISO21003butarespecifiedintheAmendmentstoISO15874-2,ISO15875-2andISO15876-2.Thetotalthicknessofsuchouterlayers,includingthethicknessoftheadhesivesused,shallbe≤0,4mm.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20;91_140_60
【页数】:30P.;A4
【正文语种】:英语


【英文标准名称】:FrameworkforKeyManagementExtensions
【原文标准名称】:密钥管理扩展用框架
【标准号】:ANSIX9.69-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-07-31
【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】:ASCX9
【标准类型】:()
【标准水平】:()
【中文主题词】:数据交换;数据安全;信息处理;信息技术
【英文主题词】:Dataexchange;Datasecurity;Informationprocessing;Informationtechnology
【摘要】:ThisStandarddefinesmethodsforthegenerationandcontrolofkeysusedinsymmetriccryptographicalgorithms.TheStandarddefinesaconstructivemethodforthecreationofsymmetrickeys,bycombiningtwoormoresecretkeycomponents.TheStandarda
【中国标准分类号】:L80
【国际标准分类号】:35_240_40
【页数】:
【正文语种】:英语


【英文标准名称】:OilandGasSeparators
【原文标准名称】:油气分离器
【标准号】:ANSI/APISPEC12J-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:油分离器;分离器;石油工业
【英文主题词】:separators;oilseparators;oilindustries
【摘要】:
【中国标准分类号】:E97
【国际标准分类号】:97_100_01
【页数】:
【正文语种】:英语