Electric Actuators

IQ & IQT 3rd Generation Intelligent Actuator

Rotork’s flagship multi-turn and quarter-turn electric actuator solution for hazardous and non-hazardous applications.
The most robust actuator design in the industry providing exceptional reliability.

• Continuous position tracking at all times, even without power.
• On power loss, graphical interface, remote indication and datalogger are maintained and accessible.
• Oil bath lubrication provides extended life and ability to mount in any orientation.
• Water ingress protection, not reliant on terminal cover or gland sealing, double-sealed to IP66/68 20m for 10 days.
• Increased protection by using independent torque & position sensing.
• Remote operation, configuring and commissioning up to 100m from actuator, with Remote Hand Station.
• Safe, motor-independent, handwheel operation available at all times.
• Detailed trend analysis and diagnostic data available for asset management.
• Field upgradeable and configurable control & indication options, using the Bluetooth enabled setting tool.
• Real time valve and actuator performance information viewable on screen.
• Rapid & secure commissioning & configuration even without power, via non-intrusive intrinsically safe Rotork Bluetooth setting tool.
• Certified for safety applications (SIL).
• Easy installation & maintenance using detachable thrust bases.
• Explosion proof to international standards.
• 3-phase, single phase and direct current variants.

See IQ3 Range Catalogue (pub002-038)

CK Range

Technologically innovative while incorporating proven engineering, Rotork watertight CK range actuators are suitable for all valves in non-hazardous locations.

Rotork has developed the CK actuator range to provide a state-of-the-art product to the valve industry. The CK product range includes standard multi-turn actuators through to intelligent Centronik equipped actuators.

• Modular design providing flexibility and configurability to suit your application
• Safe motor-independent handwheel operation available at all times
• Suitable for high temperature and strong vibration environments using separately mounted controls
• Fast and efficient maintenance and commissioning due to plug and socket connections
• Oil bath lubrication for extended life and mounting in any orientation
• Local operation, configuration and commissioning with Centronik module, close coupled or remotely mounted up to 100 m from actuator
• IP68 8 m for 96 hours - double-sealing as standard
• Rapid and secure commissioning and configuration using local controls or setting tool
• Increased protection by using independent torque and position sensing
• Data extraction for analysis, diagnostics and asset management
• Continuous mechanical valve position indication even without power
• Hollow output drive to accept rising valve stems
• Detachable thrust and non-thrust base options
• Direct output torque range: 10 - 500 Nm
• Max. torque with multi-turn gearbox: 10,800 Nm
• Max. torque with quarter-turn gearbox: 205,600 Nm

See CK Range Catalogue (pub111-001)

ROM Range

Quarter-turn direct drive electric actuators. ROM actuators provide quiet and reliable operation for all kinds of small ball valves and butterfly valves, as well as dampers and ventilation louvres. They provide local indication and manual override options together with a wide range of voltages.

• Torque range 8 to 800 Nm
• Small, compact & lightweight
• Manual override
• Externally adjustable mechanical stops
• IP68 (10m / 100 hours)
• 12/24 VDC, 110/220 VAC 1-phase and 220/380/440 VAC 3-phase, 50 Hz and 60 Hz
• Position indication via local mechanical indicator
• -30 to +70 ºC operation

Stock locally available, subject to prior sale.

See ROM & ROMpak Range Catalogue (pub008-001)

CMA Control Valve Actuators

Rotork’s CMA range are compact modulating electric actuators for precise position control and modulation applications.

CMA actuators deliver a series of sizes suitable for linear, part-turn and multi-turn control valve and pump applications requiring precise position control and continuous modulation, providing for simple, safe and easy set-up via an internal electronic 6-segment LCD display and push button configuration.

• Accurate and repeatable position control using 4 to 20 mA signal with up to 0.1% accuracy
• Explosionproof to international standards
• Adjustable speed control
• Suitable for mounting in any orientation
• Optimized for linear, part-turn and multi-turn control valve and pump applications
• Permanently lubricated, maintenance-free drive train
• Optional Reserve Power Pack (RPP) supercapacitors for fail to position functionality
• Brushless DC motor provides reliable, accurate, continuous modulation capability
• Encoder technology provides dependable contactless feedback
• Less than 1 watt standby power
• Suitable for 1-phase or DC power supplies
• Built-in interface allows for quick and simple setup via six-segment LCD display and push buttons
• Optional integral Local Controls and positional display
• Compatible with a wide variety of fieldbus, hardwired and analogue site systems
• Linear: up to 20,017 N seating thrust
• Part-turn: up to 124 Nm seating torque
• Multi-turn: up to 45 Nm rated torque

See CMA Range Catalogue (pub094-001)

For more information or quotations on the above range of products, please contact the following EPC representative.

Contact Person: Mark Trevethan