Why do insulated pipes and underground pipes still require patching after welding?
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This post was last edited by Shutong on 2024-1-19 20:54. Why do insulated pipes and underground pipes still require patching after welding? Let’s talk based on our own understanding
Address the stress caused by thermal expansion and contraction-induced creep in pipes.
Heating pipes and underground pipes require repair after welding, as minor cracks or uneven welds may occur as a result of welding, and these can lead to leaks during the use of the pipes. Sealing the welds ensures their integrity and strength, as well as long-term stability. This is especially important for underground pipelines, which are difficult to inspect and maintain; therefore, it is crucial to ensure high welding quality. Sealing gaps also helps prevent subsequent issues such as corrosion. .
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Prevent corrosion and extend the service life of pipelines
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