Clock Spring Repair Targets Weakness in Pipeline Bends
Clock Spring Repair Targets Weakness in Pipeline Bends
2 PagesTHE HIGH-PERFORMANCE CRITICAL INFRASTRUCTURE COMPANY Easy to Install | Cost Effective to Deploy | Durable for Decades Clock Spring Repair Targets Weakness in Pipeline Bends PIPE DETAIL 6-inch (153-mm) ethylene line 40 bar (580 psi) operating pressure Ambient temperature SUMMARY Extensive external corrosion of up to 80% metal loss on 12- foot (3.7-m) bend radii on both sides of an ethylene pipeline at a canal crossing The line was under 580 psi (40 bar) pressure in an ambient operating environment 18 Clock Spring units were installed on the damaged bend sections with the line under pressure A single Clock Spring trained technician carried out the repair in less than 5 hours The repair restored the pipeline to safe service without interrupting operations Pipelines that cross open areas are s
