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Retrobuoy is a high-capacity impressed-current cathodic protection system, designed primarily as a retrofit for existing structures. It utilises impressed-current titanium-anode rods housed in buoyant floats. This configuration keeps the anodes in constant contact with seawater, maximising the efficiency of the cathodic protection.

Retrobuoy provides the lowest installed cost per ampere/year of any CP system available.
To maintain appropriate levels of protection, individual Retrobuoy anode sleds can be rated anywhere from 150 to 500 amps.

The compact size and remote location of the Retrobuoy on the seabed simplifies the installation procedure and increases the cost-effectiveness of the retrofit.

These installation costs typically dominate a large offshore cathodic protection upgrade and the Retrobuoy eliminates most superfluous work.

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