Technology Factsheet

Clock Spring

Category: Worker Health & Safety > Engineering Controls > Others
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Clock Spring is a composite repair sleeve and reinforcement system uniquely designed for high-pressure transmission pipelines. The Clock Spring has been tested and proven up to 8,000 psi and is expected to last 50 years or longer, deeming it a permanent repair by regulators. The Clock Spring repair sleeve is a three-part system designed to structurally reinforce and permanently repair external anomalies.

Benefits

Safety benefits include no hot work, no cranes or overhead lifts, and faster time to close the ditch
Environmental benefits include eliminating the need to empty, depressurize or off-gas the line, ensuring no contaminants enter the environment