Sea Marconi was established in Turin in 1968 based on a business concept by Vander Tumiatti. The company now operates in the key sectors of energy and the environment, with sustainable solutions for the management of transformers and other electrical equipment filled with insulating fluids (core business).
Sea Marconi occupies a leading market position in the sector, with 3000 clients across 5 continents. We have offices in Italy, France, Spain and Argentina, and operate in other areas of the world through qualified partners.
Over the years the company has become a trusted partner to major industrial groups and utilities in the field of energy production, transmission and distribution. Our clients include: Terna, Gruppo EDF Italia, GDS Italia, Eni, Enipower, Edipower, Enel in Italia; EDF, ERDF, RTE, Rio Tinto Alcan, SNCF, Total and Arkema in France; ADIF, Endesa e Repsol in Spain and many other players on the international arena.

85.000
Analyses carried out every year

10.000
Transformers analysed every year

587
Transformers treated last year

5.480.000 lt
Oil treated every year

+ 240.000
Diagnoses in our database
Our strengths
- Pioneers in excellence since 1968
- Approximately 100 employees
- Independent from manufacturers of oil and transformers
- Full range of technical services (design, construction, sales and management)
- Continuous innovation by R & D; 40 patents
- In line with the latest regulations (IEC, BAT & BEP; ie the best available techniques and the best environmental practices, Stockholm convention, etc.)
- Accredited laboratory (Accredia, IAF, EA, ILAC)
- Integrated approach to asset and environmental protection
Quality and accreditation
The Sea Marconi laboratory is one of the most advanced in its field and is accredited by the internationally-recognised ACCREDIA

Core Business
TransfoClean is the new “sustainable” solution designed to support owners of electrical transformers containing insulating oils through every stage of the machine’s life cycle (LCM), from initial purchase and choice of oil to decontamination and disposal at the end of its useful life.
… 1976 particles, 1978 DGA, 1979 PCBs HRGC-ECD, 1982 PCBs Dehalogenation, 1984 ICP – metals dissolved, 1989 2Fal and CO2 investigation…
2005 “DBDS & Corrosive Sulfur” discover and solution with Selective Depolarisation
2006 fingerprinting – AED profile
2008 “NON DBDS & Corrosive Sulfur”. Discover of quantitative determination of Total Corrosive Sulfur – TCS
2010 “SDBP & Corrosive Sulfur”. Sulfur Degradation ByProducts – DBTP, H2S, Mercaptans, etc.
2012 consumed “Thermal Life” for deep investigation relation to 2Fal, CO2 and Methanol and oxidation byproducts
2013 Multi-Detection System, Smart DMU (Decontamination Mobile Unit) for integrated treatments, Remote Control,….
Accreditated in standardization activity as Officer, Convenor or Member. Follow some examples:
IEC TC 10 / MT 20 – Revision/Amendment of IEC 60599, Ed.2 (1999-03) Convenor: Dr. Michel DUVAL (CA)
IEC TC 10 / MT 21 – Revision of IEC 60296
TC 1 IEC 0 / MT 22 – Revision / Amendment of IEC 60422 (2005-10) Ed 3 – Supervision and maintenance guide for insulating mineral oils in electrical equipment – Convenor: Prof. Dr. Behrooz PAHLAVANPOUR (GB)
IEC TC 10 / MT 24 – Maintenance of IEC 60666 (1979): Detection and determination of specified anti-oxidant additives in insulating oil – Convenor: Prof. Dr. Behrooz PAHLAVANPOUR (GB)
IEC TC 10 / MT 25 – Revision / Amendment of IEC 61181 (1993-06) Ed. 1 – Impregnated insulating materials – Application of dissolved gas analysis (DGA) to factory tests on electrical equipment – Convenor: Dr. Michel DUVAL (CA)
IEC TC 10 / MT 31 – Maintenance of IEC 60970 (1989): Methods for counting and sizing particles in insulating liquids – Convenor: Mr. Vander TUMIATTI (IT)
IEC TC 10 / JWG 32 – Condition Assessment and Life Cycle Analyses of electrical equipment derived from oil analyses – Convenor: Prof. Massimo POMPILI (IT)
IEC TC 10 / JWG 33 – Thermal life analysis of insulating paper through oil analysis – Convenor: Dr. Riccardo MAINA (IT)
IEC TC 10 / WG 34 – Analysis of dissolved and suspended metals – Convenor: Dr. Riccardo MAINA (IT)
IEC TC 10 / WG 35 – Detection of potentially corrosive sulphur in used and unused mineral oil – Convenor: Prof. Dr. Behrooz PAHLAVANPOUR (GB)
CIGRE WG A2.32 – Cooper Sulphide in Power Transformer Insulation
Here below last 5 items:
Sustainable Solutions for Life Cycle Management of Oils & Transformers (LCM-O&T) – V. Tumiatti, M. Tumiatti, R. Maina – PITTCON 2013 Conference Philadelphia USA– Session 2630 (Rapid Methods for Determination of Additives, By-Products and contaminants in Technical Oils) – March 21, 2013
Solutions for Life Cycle Management of Oils & Transformers (LCM-O&T) – V. Tumiatti, M. Tumiatti, R. Maina – PITTCON 2013 Conference Philadelphia USA – Session 2630 (Rapid Methods for Determination of Additives, By-Products and contaminants in Technical Oils) – March 21, 2013
Copper Contaminated Insulating Mineral Oils Testing and Investigations – R.M. De Carlo, M.C. Bruzzoniti, C. Sarzanini, R. Maina and V. Tumiatti – January 2013
IEC 62697-2012 : State of the art methods for quantification of DBDS and other corrosive sulfur compounds in unused and used insulating liquids – V. Tumiatti, C.M. Roggero, M. Tumiatti, S. Di Carlo, R. Maina, S. Kapila – IEEE Transactions on Dielectrics and Electrical Insulation, VOL. 9, OCTOBER 2012 pp. 1633-1641
Fast low-pressure microwave assisted extraction and gas chromatographic determination of polychlorinated biphenyls in soil samples – M.C. Bruzzoniti, R. Maina, V. Tumiatti, C. Sarzanini, L. Rivoira, R.M. De Carlo – Journal of Chromatography A – 25 September 2012
Offices around the world
Besides the core business
Sea Marconi is dynamic and multidisciplinary: we operate in the field of bioenergy, thermochemical conversion and advanced materials, with a constant commitment to research and development and participation in several European and international research projects.