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Colour coding used on-board Ships

Engine room has maze of pipe lines so for better understanding for the crew. The pipe line are generally coloured depending of type of fluid they are carrying. This is not only important for the crew, but also for the people less familiar with the ship. To achieve this all the pipes have colour either painted or coloured tape that stands for the liquid in that pipe.




Blue                        Fresh Water



Green                      Sea Water



Sliver                      Steam
   


Brown                    Bunker                          


Maroon                  Heavy fuel oil or Residual oil                                                      

Pink                        Diesel oil



Yellow                    Lube oil



White                      Compressed Air



Black                       Sludge or Bilge 

Red                          Fire Main



For some ships it may vary slightly , but in general it remains same.

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