穿插法修复金属旧管道通常使用管材级高密度聚乙烯(HDPE)作为塑料内衬管。
The intercrossing method in repairing old metal pipes usually USES pipe-class high density polyethylene (HDPE) as lining plastic-underlayer pipes.
介绍了玻璃内衬管的特性，对玻璃内衬管道与普通钢管道低温集油中的性能进行了对比分析。
Comparison and analysis on performance between glass liner pipeline and ordinary steel pipeline under low temperature oil gathering are carried out.
分析了聚乙烯内衬管从旧燃气管道内穿插跨越管道缝隙处，聚乙烯内衬承受管道内压的性能。
This paper analyzes the performance that the polyethylene lining resists the internal pressure of the pipeline at spanned gaps, during its insertion inside the old gas pipe.
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