How to avoid the thermal expansion problem of PE pipes

PE Pipes

During the installation process, the following measures can be taken to avoid thermal expansion problems of PE pipes:

Snake laying

It is recommended to install the PE pipe in a snake laying mode. Leave a stretch margin, and slightly curved arc. In this way, in the case of thermal expansion and cold contraction, there will be a expansion margin at the joint of the welding port or PE pipe fitting. It is not easy to fracture by longitudinal stretching.

Avoid scaling compensation

When installing PE pipes, no expansion compensation should set as far as possible. To reduce the impact of thermal expansion and cold contraction on the pipeline. If expansion compensation must set up. Ensure that it is reliably to connect the pipe. Install correctly according to the product instructions.

Simultaneous construction

Both sides of PE pipe and pipe fittings support pier should simultaneously pour with concrete at one time. And fill the bottom of the trench with at least 10cm of clean soil or fine sand before running the pipe. This ensures that the pipe does not shift due to temperature changes during installation.

Backfill compaction

After the PE pipe is placed, it must be backfilled and tamped. For PE pipe laid in the area with serious settlement. Soft soil foundation treatment must carry out. Reduce uneven settlement of backfill parts. Prevent PE pipe displacement tensile fracture.

Other notes

During the installation, avoid excessive bending or twisting of the PE pipe. Prevent it from being subjected to excessive stress. At the same time, the appropriate support and fixing method should select according to the design requirements and actual situation. To ensure that the pipeline will not subject to excessive stress due to thermal expansion and contraction during operation.

In summary, by taking appropriate measures. The thermal expansion of PE pipes can be effectively avoided. Ensure its safe and reliable operation.

If you have read this article and have any questions, please feel free to contact IFAN. Below is our contact information:

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Email:[email protected]

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