PE 管安装后接口渗水如何定位?精准查找漏点的技巧​

2025-09-22

在给排水工程或燃气输送等领域,PE管凭借其耐腐蚀、柔韧性好等优点被广泛应用。然而,安装后接口渗水问题却时有发生。那如何精准定位漏点呢?

首先可进行外观检查。仔细查看管道接口周围,若有潮湿、水渍或水流渗出,初步标记可疑区域。因PE管材质特性,渗水可能沿管壁扩散,所以检查范围可适当扩大。

接着是压力测试法。关闭渗水管道相关的所有出水口,用打压泵对管道系统加压至规定压力(如工作压力的1.5倍左右),并保持压力稳定。观察压力变化,若压力快速下降,结合外观检查标记处,进一步排查。

还有分段排查法。将管道系统分成若干段,依次关闭各段阀门,对每段单独进行压力测试。若某段压力下降明显,重点检查该段接口。

在定位过程中,借助检测工具能更精准。如超声波检漏仪,它可检测到渗水产生的微小振动信号,帮助确定漏点位置。

此外,留意安装细节也很关键。检查接口连接是否规范,热熔或电熔连接的参数(如温度、时间)是否符合要求。

总之,通过外观检查、压力测试、分段排查及工具辅助等方法,可有效精准定位PE管安装后接口渗水的漏点,为管道维修提供依据,确保管道系统正常运行。



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