Rotork Skilmatic SI self-contained electro-hydraulic safety valve actuator

Friday, 30 January, 2015 | Supplied by: Rotork Australia


The Rotork Skilmatic SI self-contained electro-hydraulic valve actuator is said to combine all-electric simplicity with the precision of hydraulic actuation and the reliability of mechanical failsafe operation. Typical applications for Skilmatic actuators include functional safety-related emergency shutdown (ESD) and remotely operated shutoff valve (ROSoV) duties.

The updated SI actuator will consist of four models with multiple actuator sizes, enabling Rotork to offer quarter-turn failsafe actuation from 65 Nm up to 600 kNm for functional safety applications. Safe valve positioning is selectable for failsafe to open, failsafe to close or lock in position on either loss of power or a range of programmable ESD signal options.

The SI control module facilitates simple non-intrusive commissioning by means of an intrinsically safe handheld setting tool with infrared and Bluetooth interfaces. Settings including internal hydraulic pressure, position, limits, control, alarm and indication functions can be accessed and adjusted using user-friendly menus.

Data from the actuator can be transferred to a PC for storage and analysis by means of Rotork Insight2 software. The actuators can be integrated into the majority of digital bus control systems, including Pakscan, FOUNDATION Fieldbus, DeviceNet, Profibus, Modbus and HART.

Designed for functional safety applications to SIL2 (1oo1) and SIL3 (1oo2), the actuators are also offered with enhanced partial stroke testing, enabling valves to be function tested without affecting the process.

All actuators are available with hazardous area certification encompassing ATEX, INMETRO, IEC, FM, CSA and GOST. The double-sealed electric enclosure is watertight and dustproof in ratings up to IP68.

Online: www.rotork.com
Phone: 03 5322 5000
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