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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】:ISO18225-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:复合管;压合接头;连接件;连接;定义;设计;外部;燃气管路;燃气管;燃气供应;几何性质;作标记;材料;机械性能;多层系统;物理性能;管接头;管联接器;管连接件;管道配件;管道;管;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】:18P.;A4
【正文语种】:英语