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Development of innovative pipe coiling process minimises field welding in HDPE gas pipelines [PE]

 

Plastic Pipes Conference Association # 2012 Barcelona

Connolly Rodger

This paper outlines a process for deforming high-density polyethylene pipe into an elliptical form to permit pipes >DN160, up to DN315, to be factory-coiled on small diameter reels. The coiled pipe may then be transported to its installation site on conventional semi trailers, in continuous lengths of up to 300 metres. After arrival on site, the coiled pipe may be transferred to a high ground-clearance trailer fitted with despoiling and re-rounding equipment for string along the pipeline alignment.

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