Guldagers antifouling units prevent sea water intake system, lift pumps, pipe systems, filters and heat exchangers from being clogged with mussels, barnacles and slime. Based on electrolytic treatment of the seawater, copper and chlorine are released in small concentrations by electrolytic treatment of the seawater thereby effectively eliminating the growth of mussels in the systems. Left untreated even big seawater pipes may be clogged by mussels after only a short time leading to problems and possible production shutdown.

Antifouling Units

  • Offshore platforms for oil and gas production, drilling rigs, FPSO’s etc. Treating of cooling water, fire water, injection water, technical water, potable water intake etc.
  • Accomodation and windmill transformer platforms
  • Marine vessels
  • Onshore seawater intakes for power plants, cooling systems, desalination/RO plants, industry


Guldager is a Danish family owned company. The company was founded in 1946 and is today a modern company, represented internationally through subsidiaries, agents and dealers. We apply decades of experience, up-to-date knowhow and cutting-edge technology to meet the many needs of our customers.


Guldager A/S is an international company committed to its customers. We are used to provide service and support to our customers all over the world. Please feel free to contact any member of the Guldager team, we are looking forward to hearing from you.

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GULDAGER A/S HEJREVANG 1-5 DK-3450 ALLERØD +45 48 13 44 00