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Intelligent electric actuators for Irish Water site
12 June 2018
As part of a modernisation programme at Kilkit Water Treatment Plant in County Monaghan, Irish Water has installed Rotork’s intelligent CKc range of modular electric actuators. In a contract awarded to Rotork by Coffey Water, inlet penstocks have been automated with CKc actuators to provide reliable on/off control, position monitoring and data logging of operating history to support asset management.

CKc actuators provided a fully compliant and cost effective solution, which included quick delivery. In addition to supplying, installing and commissioning the actuators, Rotork’s responsibilities included design and fabrication of the adaptation components required to automate the previously hand-operated penstocks. Rotork worked closely with the contractor to provide a comprehensive and fully engineered solution.
The penstocks are now fitted with CKc double-sealed actuators which are certified IP68 watertight and temporarily submersible (8m for 96h). Increased penstock protection is provided by independent torque and position sensing, continuous valve position indication, even during power loss, and a safe, motor-independent handwheel.
CKc actuators incorporate Centronik integral starter and control module providing local control switches, monitor relay and a datalogger enabling data extraction for analysis, diagnostics and asset management. They also feature simple, rapid and secure commissioning and configuration using local controls or a Rotork Bluetooth setting tool. The modular CK design provides flexibility, whilst plug and socket connections between modules assist efficient installation, commissioning and maintenance.
The penstock project is part of a contract for Irish Water to upgrade the Lough Egish Regional Water Supply which will see a €4.5 million investment in the Kilkit Water Treatment Plant to benefit approximately 12,000 consumers in County Monaghan. Once completed the upgraded treatment plant will have an increased design output of 5.5 million litres per day (MLD) which will ensure that current water demands can be met, with capacity to meet future development needs.
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