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Rotork: New addition to the electro-hydraulic actuator range

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Author: Michael Heeg

Date: 09. Jun. 2023

Typical applications include functional safety-related Emergency Shutdown (ESD) inputs and Remotely Operated Shutoff Valve (ROSoV) duties.
Source: Rotork
Rotork: New addition to the electro-hydraulic actuator range

Rotork has unveiled a compact and robust quarter-turn design for its Skilmatic SI range of independent 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“, the company announces.

Typical applications for Skilmatic SI actuators include functional safety-related Emergency Shutdown (ESD) inputs and Remotely Operated Shutoff Valve (ROSoV) duties.

Suitable for use in SIL 2/3 systems

Robustly constructed for challenging environments, SI actuators deliver a highly reliable means of safety valve positioning and intelligent management. All actuators are available with hazardous area certification and are suitable for use in SIL 2/3 systems.

The actuators share the same intelligent features as Rotork’s IQ3 range. It includes non-intrusive commissioning by means of an intrinsically safe handheld Bluetooth wireless setting tool, performance monitoring and configurable data logging, increased functionality, and enhanced availability of valve and process data for asset management and data analysis.

Reduce anomalies

The actuator data logger can store up to 3,000 events. Users can export data logs to Insight 2 or Rotork’s cloud-based Intelligent Asset Management (iAM) system. iAM enables proactive maintenance to help reduce unplanned downtime through advanced analytics of valves/flow control assets and anomaly detection.

With Insight 2 software, users can review, configure and analyse actuator setup configuration and data logger information easily and quickly.

Integration into the Rotork network

Offering the flexibility of customisation to suit the application, SI range actuators can be integrated into most digital bus control systems, including Rotork’s Pakscan™ network, Foundation Fieldbus®, DeviceNet®, Profibus®, Modbus® and HART®.

The SI range delivers quarter-turn torque output up to 200,000 Nm (147,500 lbf.ft) and linear thrust output up to 400 kN (90,000 lbf) that are suitable for valves of virtually any size and design.

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