Cathodic Protection System
K.C. LTD.
MARINE IMPRESSED CURRENT CATHODIC PROTECTION SYSTEM
ICCP DOCUMENT REV(E) : 14/04/06
NOTES : a) Do not attempt to service or readjust the system operating levels without first reading and understanding this Manual. b) The system operates at low d.c. voltage levels and may be severely damaged by high voltage test equipment such as a 500V Megger. Read the relevant section in this manual before carrying out any tests. c) There is no need of protective current as far as ship is well enclosed by a good hull coating (newbuildings or just repaired ships) or the temporary sacrificial anodes around ship’s bow and stern hull area are still alive, which means our system dissipates no current under fully automatic control realizing ship is well protected from corrosion. Then you may see protective current when ship's hull coating gets thinner and thinner or partly damaged. d) Should any information be required which is not covered by this manual, please contact K.C. LTD. immediately. (Address on cover)
CAUTION Customers are recommended for the purchase of genuine parts from us. Imitated parts make the system get fatally damaged.
-4``C:\Manual\ICCP\ICCP Document.doc
K.C. LTD.
1.0 INTRODUCTION:
1.0.1 PRINCIPLES OF CORROSION AND CATHODIC PROTECTION:
ICCP DOCUMENT REV(E) : 14/04/06
Metallic corrosion is an electro-chemical reaction in which the metal combines with a non metal, such as oxygen, to form a metal oxide or other compound. This depends upon the nature of the environment. Different metals have different tendencies to corrode, activity or potential. These potentials can be tabulated and form the electro-chemical series. A more practical approach is the determination of the tendency of certain metals to corrode in a particular electrolyte, such as sea water. This is termed the galvanic series of which the following table is an abridged form. Active or Anodic Magnesium Zinc Mild Steel Wrought Iron Cast Iron Ni-Resist 18.8.3% Molybdenum SS,
MARINE IMPRESSED CURRENT CATHODIC PROTECTION SYSTEM
ICCP DOCUMENT REV(E) : 14/04/06
NOTES : a) Do not attempt to service or readjust the system operating levels without first reading and understanding this Manual. b) The system operates at low d.c. voltage levels and may be severely damaged by high voltage test equipment such as a 500V Megger. Read the relevant section in this manual before carrying out any tests. c) There is no need of protective current as far as ship is well enclosed by a good hull coating (newbuildings or just repaired ships) or the temporary sacrificial anodes around ship’s bow and stern hull area are still alive, which means our system dissipates no current under fully automatic control realizing ship is well protected from corrosion. Then you may see protective current when ship's hull coating gets thinner and thinner or partly damaged. d) Should any information be required which is not covered by this manual, please contact K.C. LTD. immediately. (Address on cover)
CAUTION Customers are recommended for the purchase of genuine parts from us. Imitated parts make the system get fatally damaged.
-4``C:\Manual\ICCP\ICCP Document.doc
K.C. LTD.
1.0 INTRODUCTION:
1.0.1 PRINCIPLES OF CORROSION AND CATHODIC PROTECTION:
ICCP DOCUMENT REV(E) : 14/04/06
Metallic corrosion is an electro-chemical reaction in which the metal combines with a non metal, such as oxygen, to form a metal oxide or other compound. This depends upon the nature of the environment. Different metals have different tendencies to corrode, activity or potential. These potentials can be tabulated and form the electro-chemical series. A more practical approach is the determination of the tendency of certain metals to corrode in a particular electrolyte, such as sea water. This is termed the galvanic series of which the following table is an abridged form. Active or Anodic Magnesium Zinc Mild Steel Wrought Iron Cast Iron Ni-Resist 18.8.3% Molybdenum SS,