Main Engine Exhaust Valve

The Main Engine Exhaust valve works under stress and in a high-temperature environment. The exhaust valves are fitted in a separate casing which allows the exhaust valve to be opened and overhauled without removing the cylinder head.

The Construction of the exhaust valve is done using high-temperature resistant alloys of steel having anti-corrosive and high-stress absorption properties. Marine engine exhaust valve is an integral part of the main engine and failure of any one of the exhaust valve may result in halting the operation of the whole engine and will bring the ship in no propulsion power condition. It is important for marine engineers to understand the construction and working or marine engine exhaust valves for efficient engine operation.

The operating system has been evolved from mechanical (rocker arm) to the hydraulic system, making it more reliable and long-lasting. This video shows the main engine exhaust valve working animation including its construction.

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Video Credit - @hake_lee (instagram)
C/E Maksym Veshnevetskyi