K Controls - Sub-Sea Valve Actuator Position Monitors
More than 300 IP68 (sub-sea) K4-20 Position transmitters have now been specified for use at a depth of 135 metres in the Caspian Sea. They are used to monitor the position of hydraulically actuated valves that flood the jackets on the legs of oil rigs. The legs of the rigs are positioned and then submerged using global positioning satellite technology.
Applications where the products are used include rig positioning, sub-sea emergency shut down or manifold valves, dry docks and tanker loading or balancing.
A variety of hermetically sealed solid state or reed style proximity switches can be fitted together with 4-20mA, HART®, PROFIBUS® or FOUNDATION™ fieldbus position transmitters. The options of noncontact sensing and component redundancy are available.
ATEX 11 2 G Ex ia certification is also available should the unit be required for intermittent submersion in a hazardous area. A standard M20 or ½" NPT conduit entry is provided. Alternatively the base can be machined to accept a customer specified sub-sea connector.
K Controls Ltd
Tel: 01895 449 601
Website: www.k-controls.co.uk
Published: 1st September 2011
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