Clock Spring Pipeline Bend Repair
6” ethylene line
40 bar operating pressure
Extensive external corrosion of up to 80% metal loss on 12’ bend radius either side of canal crossing.
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.
The complete 36 units were installed in under 5 hours with no shut down of the pipeline.
Clock Spring units being installed using the hand spool technique.
Coils cut to width to suit the bend radius.
One of the completed bend repairs on one side of the canal crossing.
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