An extensive review of safety measures recommended by the MB Lai Committee in India, following an accidental fire at the IOCL Jaipur Terminal, has resulted in the introduction of electro-hydraulic failsafe actuators for critical tank farm Emergency Shutdown (ESD) applications. These valves, known as ROSOV (Remote Operated Shut-off Valves), now provide tank overfill protection at the majority of storage facilities owned by the Indian oil industry. The application required the valves to be electrically operated, spring-return failsafe with SIL2 functional safety and certification for use in hazardous areas. During the two-year specification writing period, Rotork worked closely with the three main oil companies in India, providing live product presentations, technical advice and performance reports, leading to the selection of Rotork Skilmatic electro-hydraulic actuators operating triple-offset butterfly valves as the standard for the critical ROSOV application.
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