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Insignia™ O-rings Couplers

Insignia™ O-rings can be attached to a liner that is inverted into the pipeline to provide a compression seal at the termination points of the liner. This procedure remotely positions the O-rings between the host pipe and the liner tube or between a cured liner and a new liner (cold joint), sealing any annular space and providing a long-term flexible seal. Insignia™ O-rings can be utilized for upper end of lateral liners, a lateral liner overlapping a connection seal, and each end of sectional liners.

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