This European Standard specifies general requirements for pipes and their joints intended for use in drains and sewers which are installed using trenchless construction methods ""pipe jacking"", ""microtunnelling"" and ""pilot jacking""as defined in EN 12889 as gravity systems, according to EN 476 where any pressure to occur is a maximum of 40 kPa or operated under pressure according to EN 773 where pressure can be more than 40 kPa.
DS/EN 14457-2004由丹麦标准化协会 DK-DS 发布于 2004-11-30,并于 2004-09-30 实施。
DS/EN 14457-2004在国际标准分类中归属于: 93.030 外部污水排放系统。
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