Sacrificial Anodes
Galvanic cathodic protection for submerged and immersed steel structures without any external power supply.
Immersed Steel Corrodes From The Day It Enters The Water
Hulls, tanks, offshore structures and pipelines lose steel continuously wherever coating breaks down, and the cost is discovered at drydock rather than in service.
Protection That Needs No Power, Cabling Or Hull Penetration
Anode alloy, mass and distribution are designed against your protected areas, design life and coating data, so the structure stays at a protective potential across the full docking interval.
Galvanic Current From Anode To Hull
- Protective current
- Consumable anode alloy
Three Steps, Continuously
- 01
The anode alloy and the structure form a galvanic couple in the electrolyte.
- 02
Current flows from the anode into the electrolyte and onto the structure, polarising it to a protective potential.
- 03
The anode is consumed over the design life; the structure is preserved.
Designed Around Your Structure, Not A Catalogue
- Alloy selection matched to electrolyte, temperature and service
- Cast with steel insert or core designed for the specified fixing
- Documented chemistry and electrochemical performance
Specified On Ship Hulls And Appendages, Ballast And Cargo Tanks, Offshore Structures, Pipelines And Harbour Structures.
- Ship hulls and appendages
- Sea chests and thruster tunnels
- Ballast, cargo and selected service tanks
- FPSOs and fixed or floating offshore structures
Get An Anode Design For Your Structure
Send the protected areas, design life, coating data and fixing preference, and we will size the alloy, mass and distribution and issue an arrangement for approval.