The sea chests are in the space between the side of the ship and the sea suction valve. The sea chests are protected by grids, called sea chest gratings, which prevent the passage of large objects such as large fish, nets etc.
The main issues of having a damaged sea chest:
- Inadequate intake of water
- Not cooling the main engine and other machinery
- Increasing the temperature of the main engine
The main reason of damage is the fouled sea chests, from mussels and other marine elements, which really occupy all the space and clog. When within the sea chests there is any damage, it results in the inadequate intake of water which can be catastrophic for the ship, since the water entering is used for cooling the main engine and other machinery for ballasting tanks for the ships firefighting unit.
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