Clock Spring Pipeline Bend Repair

Clock Spring Pipeline Bend Repair

United States


6” ethylene line
40 bar operating pressure
Ambient temperature


Defect Details:

Extensive external corrosion of up to 80% metal loss on 12’ bend radius either side of canal crossing.

Repair Application:

Clock Spring were cut to suit the specific bend radius and in total 18 units were installed on both bend sections.  Hand spool technique was used to install the coils due to tight clearances.

Clock Spring units being installed using the hand spool technique
Coils cut to width to suit the bend radius

Repair Time:

The complete 36 units were installed in under 5 hours with no shut down of the pipeline.

One of the completed bend repairs on one side of the canal crossing

There are nearly 3,000 trained Clock Spring installers around the world who are qualified to provide repairs with Clock Spring products. Clock Spring regularly offers training classes for installers and can custom design training for individual company needs.