September 2005

Trends and Resources

New Developments

Electric failsafe valve actuators Quarter-turn and linear Skilmatic SI electric valve actuators reportedly provide both modulating and two-position control for failsafe o..

Electric failsafe valve actuators Quarter-turn and linear Skilmatic SI electric valve actuators reportedly provide both modulating and two-position control for failsafe operation in various hydrocarbon processing applications. The compact, integrated units are electrically operated. A precise hydraulically powered internal spring-return mechanism provides proper valve positioning in a safe condition. They can be set to failsafe in either close/ open valve position, or to lock-in position on power or system failure. A quick-closure option is available. The actuators provide reliable closure for emergency shutdown and partial str

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