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Intelligent non-intrusive electric valve actuator launched

12 June 2012

Rotork has introduced the third generation of its flagship IQ range of intelligent non-intrusive heavy duty electric valve actuators.

The IQ3 valve actuator promises new levels of functionality and asset management abilities combined with further refinements to its mechanical design.

Features of the actuator include a large toughened glass wide-angle indication window, attention two-way wireless communication and multi-functional indication, and user-friendly menus for setting-up, configuration and commissioning, local position indication, valve and actuator status, asset management and diagnostic operating information.

An LCD segment display provides positional and warning icon information, while actuator setup and operating menus, along with detailed diagnostic and operational data screens, are clearly displayed in dot matrix format. Four selectable home-screens provide a quick view of operational status and process information in real-time without having to navigate to the diagnostic screens. The four selectable screens include: Position with text status, Torque (analogue scale) & Position, Torque (numerical scale) & Position and Demand & Position.

Diagnostic graphics show the valve torque and usage profiles, along with service logs, facilitating real time analysis directly at the actuator.

The new hand-held setting tool uses an infrared signal to check that both items (actuator and setting tool) are Rotork devices before pairing them together using Bluetooth wireless technology. A security feature gives the ability to enable or disable the Bluetooth link as the method of further communication.

An absolute encoder with built-in redundancy and self checking mechanically tracks valve positions if the actuator is manually operated when the power is off. No power is required for the actuator to measure position. The IQ absolute encoder has only four moving parts and can measure up to 8,000 output turns. Local LCD and remote contact indication is maintained and full configuration of the actuator settings during a power outage is enabled by the standard battery.

Mechanical improvements include new handwheel assemblies, new non-intrusive local control switches and optimised corrosion protection by material and coating selection. Thrust bases have been re-engineered as separate components on all models in the IQ range, enabling actuators to be removed from the valve without altering the valve position. The IP68 watertight and temporarily submersible double-sealed enclosure is universal to all actuators, including those with explosion-proof certification, ensuring long-term reliable performance in the most challenging environments.

http://www.iqactuator.com


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