Pietro Fiorentini’s experience in cathodic protection

In order to comply with the latest specifications and the new technical standards within the sector, Pietro Fiorentini is now working to develop latest-generation dataloggers for remote monitoring with communication modules that can support the new 4G/LTE technology and an on-board cyclic switch for EOFF measurements.

The Company started developing and creating cathodic protection monitoring systems in 2016 with the acquisition of the Tecnosystem Group, a renowned Italian company in data acquisition services for the sector. Pietro Fiorentini’s product portfolio therefore expanded to easily installable field acquisition units that automatically record and send the main electrical parameters to data collection centres without any kind of manual control.

Hardware and software for cathodic protection

In 2019, Pietro Fiorentini provided new cathodic protection monitoring software to its French customer GRTgaz: Service2Business. The platform fulfils all the characteristics of remote monitoring while also improving the centre and service procedures offered. Since 2020, S2B has also been available to customers in the Italian market and is able to interface with NEXT and Drone Kompact, Pietro Fiorentini’s devices for the monitoring and remote control of cathodic protection systems.

The cathodic protection test field in Rosate

In 2019, Pietro Fiorentini built a cathodic protection test field at its factory in Rosate (Milan), certified in accordance with UNI EN ISO 15257. The facility meets the training needs of internal and external staff and is used to develop applications and new products. It is also available to polytechnics, universities and research institutions that request to use it to carry out tests, studies and measurements of various kinds.

The new cathodic protection test field at Pietro Fiorentini’s Rosate factory has been opened


Cathodic protection
When iron and steel come into contact with an electrolyte, such as soil, a phenomenon called electrolytic corrosion occurs in any infrastructure made of metal. Electrolytic corrosion cannot be completely eliminated, but specific measures can be taken in the design and construction phases to significantly reduce its effects.
Passive and active cathodic protection

Depending on the technology used, it is possible to implement passive cathodic protection with coatings and inhibitors, or active cathodic protection using sacrificial anodes or impressed current to counteract faults and gaps in the coating caused during installation or by deterioration.

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Regulatory and operational aspects for the cathodic protection

The quality of the cathodic protection service is determined in different ways. There are international standards that require the use of the electric potential between the metal structure and the ground as a criterion for defining its protection.

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