Skilmatic SI

Rotork May 1, 2023

Rotork introduces a compact and robust quarter-turn design to its Skilmatic SI range of self-contained electro-hydraulic actuators. The new actuator uses a rack and pinion drive for a torque output of up to 1,000 Nm (737 lbf.ft).

The SI range of actuators combine the simplicity of electrical operation with the precision of hydraulic control and the reliability of mechanical spring-return fail-safe action. Typical applications for Skilmatic SI actuators include functional safety-related Emergency Shutdown (ESD) inputs and Remotely Operated Shutoff Valve (ROSoV) duties.

Robustly constructed for challenging environments, SI actuators deliver a highly reliable means of safety valve positioning and intelligent management. With a wide choice of operating speeds, ESD options with single or dual inputs and partial stroke testing (PST) to meet a wide range of applications. All actuators are available with hazardous area certification and are suitable for use in SIL 2/3 systems.


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