Flexible steel pipe solves Canadian rehabilitation

When deterioration of existing pipes precludes cost-effective traditional repair, slip-lining the old pipe with flexible steel pipe provides a ready alternative. The flexible steel pipe contains the pressure, making the structural condition of the pre-existing steel pipe unimportant.Rehabilitation application of flexible steel pipe typically results in significant cost savings, minimal environmental disruption, and elimination of the need for new pipeline permits. Field sweeps of about 90° are generally acceptable in rehabilitation lines. Elbows are cut out because their bends of radius are too narrow for flexible pipes.This article examines a specific field application of flexible st...

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