Marimpress ICCP

Our ICCP system operates by continually measuring the potential of the submerged steel surface using hull-mounted zinc reference electrodes.

If the potential changes from the preset value (normally + 220mV) the control panel releases a dc current to the titanium anodes. MARIMPRESS ICCP uses titanium anodes. MARIMPRESS ICCP  works automatically, according to external conditions  that affect the rate of corrosion, such as:

• changes in temperature and salinity of seawater;
• ship's speed;
• condition of the paintwork.

How the system operates

Zinc reference cells continuously monitor the potential of the hull and send measurements back to the control panel, which uses high technology to calculate the correct compensating current to be supply to the activated titanium anodes, strategically positioned on the surface. 

If this potential starts to rise above the preset value (+220 mV for steel hulls, because at higher potentials corrosion will occurs), the rectifier supplies the correct amount of dc current to the activated titanium anodesm in order to maintain hull potential to preset value. In this way, not only the hull, but, when earthed also the rudder, propeller, shaft and stabiliser fins are completely protected from corrosion.

The system consists of three parts:

• Control panel (located in the engine room);
• Titanium anodes (located strategically on the hull);
• Zinc reference cells (located on the hull).