BS ISO 18225-2007 塑料管道系统.室外气体装置用多层管道系统.系统规范

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【英文标准名称】:Plasticspipingsystems.Multilayerpipingsystemsforoutdoorgasinstallations.Specificationsforsystems
【原文标准名称】:塑料管道系统.室外气体装置用多层管道系统.系统规范
【标准号】:BSISO18225-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:合成管;压合接头;连接件;连接;定义(术语);设计;外部;燃气管路;燃气管;燃气供应;几何特性;作标记;材料;机械性能;多层系统;物理性能;管接头;管连接件;管道配件;管道;管线;塑料管;塑料;特性;异径接头;规范(验收);热塑性聚合物;
【英文主题词】:Compositetubes;Compressionfittings;Connectingpieces;Connections;Definitions;Design;External;Gascircuits;Gaspipes;Gassupply;Geometricalproperties;Marking;Materials;Mechanicalproperties;Multilayersystem;Physicalproperties;Pipeconnections;Pipecouplings;Pipefittings;Pipelines;Pipes;Plasticpipes;Plastics;Properties;Reducers;Specification(approval);Thermoplasticpolymers;
【摘要】:ThisInternationalStandardspecifiesgeneralandperformancerequirementsformultilayerpipesystemsbasedonpipesmadefromthermoplasticsandintendedtobeusedforgassupply.Itgivesrequirementsforthedesignofpipesystemsconsistingofmultilayerpipesbasedonthermoplasticsandforwhichatleast60%ofthewallthicknessisofapolymericmaterial.Thepolymericmaterialusedforstressdesignlayersandallinnerlayersmustbepolyethylene(PE)and/orcrosslinkedpolyethylene(PE-X),inaccordancewithAnnexA.TheouterlayersofmetalmultilayerpipesmustbeofeitherPEorPE-X.ThisInternationalStandardisapplicabletosystemsintendedtobeoperatedattemperaturesrangingfrom?20°Cto40°C.Itisapplicabletopipesinthesesystemshavinganominaldiameteruptoandincluding630mm,andtothesupplyofgaseousfuelsofcategoriesD(naturalgas)andE(LPGvapourandnaturalgasorLPGvapour)(seeISO13623).
【中国标准分类号】:Q82
【国际标准分类号】:23_040_20;23_040_45;75_200
【页数】:28P.;A4
【正文语种】:英语