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example of impressed current cathodic protection

Impressed current cathodic protection is one of the main means in industrial production to prevent metal structure from corrodible. This is done by imposing a protective electric current with the aid of an external source, which can cancel or neutralize the natural corrosion process. By understanding the impressed current cathodic protection process and searching for wholesale pricing on these systems, industries can retain their valuables and stretch its life.

Impressed current cathodic protection involves using an external power supply, such as a transformer-rectifier, to induce a protective electrical potential between the anode and the metallic structure that is in need of protection. This flow countervails the tendency for metal within the strip to corrode when exposed to environmental elements such as moisture and chemicals. Impressed current CP prevents the formation of corrosion on a metal surface by supplying a continous flow of electrons to it, prolonging its life and decreasing repair or replacement expenses.

How impressed current cathodic protection works

Anode, one of the necessary accessory for impressed current cathodic protection system, usually is made to be consumable types like graphite or mixed metal oxide. The anode is electrically coupled to the external power source and located adjacent to the metal structure that requires protection. The protective current passes from the anode to the metal structure, forming a boundary that blocks access for oxidation and corrosion does not occur.

Broadly speaking, impressed current cathodic protection system cost will encompass materials (anodes, reference electrodes and cable) in addition to the TR, which power these anodes and other components. Cost of Installing and Maintaining a Cathodic Protection System Companies may also have to allocate funds for installation and maintenance expenses, not to mention other equipment or services necessary to keep the cathodic protection system at its best.

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