ISO/ASME-compliant composite pipe repair system

Y. Nishi, Belzona

Pipelines, especially those of large diameter, can efficiently transport large volumes of liquids and gases over long distances. Operating over long distances through various landscapes, environments and conditions, pipelines can be subject to internal and external effects from numerous factors. Differences in height cause internal pressure fluctuations, while changes in temperature cause the pipe material to expand and contract; from these behaviors, pipelines are subjected to physical loads such as bending, shear, torsion and fatigue. At the same time, the inner walls of pipes can be exposed to corrosion and chemical attack, depending on the chemicals involved in the media. Similarly, unde


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