Ship Pipes Colour Coding

Proper pipe colour coding on board is essential for safety, quick identification, and efficient ship operations. It enables crew members to instantly recognize the contents of a pipeline, reducing the risk of errors during maintenance, emergencies, and daily operations.

Systems Covered: • Fire Main • Fuel Oil • Sea Water • Bilge/Ballast • Fresh Water • Steam • Lube Oil • Compressed Air • Sanitary/Sewage • Inert Gas • Hydraulic Oil ️ • Vent/Overboard

Did You Know? Standard pipe colour coding, combined with flow direction arrows and clear markings, helps improve onboard safety and supports compliance with SOLAS, IMO, and company procedures.

Question for Mariners & Shipping Enthusiasts: Which pipe system do you work with most often on board?

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