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Impressed current cathodic protection examples

There are a number of methods to protect metal structures, such as pipelines or storage tanks from corrosion and one common method is that known as impressed current cathodic protection. This works by running a low voltage electrical current through the surface of the metal, effectively keeping rust and corrosion at bay as years move along. The impressed current cathodic protection system allows businesses to prolong the life cycle of their assets, while avoiding expensive repairs. 

Impressed current cathodic protection utilizes an external power source, i. e., rectifier, to supply a predetermined amount of electrical charge to the metal member. This electricity opposes the metal’s natural tendency to corrode, thereby preserving the metal. Companies rely on constant readings and adjustments of current levels to protect vital assets from the degrading effects of rust.

Impressed current cathodic protection technology

The advantages of using the impressed current cathodic protection include extend asset life, lower maintenance cost and enhanced safety. Through utilization of this technology, for instance, businesses can eliminate the need to make regular repairs/replacements on account of corrosion damage. This is not only a long term cost saving, but also reduces potential accidents and leaks that could pose an environmental or public safety hazard. 

And impressed current protection technology is more efficient and effective than sacrificial anode systems as well. Sacrificial anodes are used up over time while impressed current systems offer constant protection, even if less maintenance is needed. This creates a consistent and durable corrosion protection solution for industrial investments.

Why choose SME Impressed current cathodic protection examples?

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