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Safety Alert – Failure of pipeline emergency shut-down valve

This alert is issued following the failure of a spring return pipeline emergency shut down valve (ESDV). The failure left the primary platform isolation device inoperable with the valve failed in the open position.

Other ESDVs have been examined and have found to be at risk of failing in this manner. Spring return valves other than ESDVs are equally vulnerable.

View Safety Alert ‘Failure of pipeline emergency shut-down valve’