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Work Marine House Dunston Road Chesterfield S41 8NY United Kingdom Company Phone: +44 (0)1246 457900 Work Fax: +44 (0)1246 457901 Website: Company Website


Cathelco provides impressed current systems to prevent corrosion of hull plating, pipework antifouling, and a variety of other products.


The following description comes from Cathelco’s website (

Cathelco are world leading designers and manufacturers of equipment for ships and offshore installations.

Their product range includes marine pipework anti-fouling (AF) systems and impressed current cathodic protection (ICCP) systems to safeguard the hulls of commercial and naval vessels against corrosion. Cathelco Seafresh specialises in the production of reverse osmosis desalinators (watermakers) for yachts, commercial and naval vessels.The offshore energy sector continues to gain in importance

Cathelco supply AF and ICCP systems for offshore platforms, semi-submersibles, FPSOs and FSOs.  In the renewable energy market they have developed advanced ICCP systems to protect monopile, jacket and tripod offshore wind turbines.

After considerable research and development, Cathelco are planning to launch a unique ballast water treatment (BWT) system in 2013 based on a combination of filtration and UV sterilisation.

Cathelco are represented globally through a network of agent/installers.

Impressed Cathodic Current Protection

Although modern hull coatings provide some protection against corrosion they do not offer a complete solution. For this reason, most operators choose to protect their vessels with a purpose designed impressed current cathodic protection system.

Using an arrangement of hull mounted anodes and reference cells connected to a control panel(s), the system produces a more powerful external current to suppress the natural electro-chemical activity on the wetted surface of the hull.

This eliminates the formation of aggressive corrosion cells on the surface of plates and avoids the problems which can exist where dissimilar metals are introduced through welding or brought into proximity by other components such as propellers.

An essential feature of ICCP systems is that they constantly monitor the electrical potential at the seawater/hull interface and carefully adjust the output to the anodes in relation to this. Therefore, the system is much more effective and reliable than sacrificial anode systems where the level of protection is unknown and uncontrollable.


Cathelco has ample samples and useful information on their website:


You can find detailed contact information for Cathelco on the company website.

Cathelco Ltd
Registered Office
Marine House
Dunston Road
Chesterfield S41 8NY
United Kingdom
+44 (0)1246 457900
+44 (0)1246 457901

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