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Areas of Use / Maritime

Ships are isolated vehicles that sail for long periods with their own resources, so it is vital that they be self-sufficient and that all systems operate efficiently. The areas where we operate in the maritime field with our plate heat exchangers and complementary products are as follows.

Cooling Systems on Ships
Motor cooling systems are divided into two: direct and indirect, two-circuit (indirect) cooling. Direct cooling is trouble-free and suitable for engines designed as marine engines from the start. Cylinder blocks and other equipment with circulating water are protected with sea water resistant alloys and coatings. Most externally mounted marine engines and small internally mounted engines are made this way. A sea water pump that is connected to the engine drives water through the engine and provides cooling. This pump is designed to provide adequate cooling even in the most demanding conditions, so the engine runs cold without reaching the ideal operating temperature required during normal use. Therefore, such ship engines are equipped with bypass lines and thermostats to adjust the flow of water sent to the engine and ensure that the engine heats up enough.

In two-circuit cooling systems, fresh water circulates inside the engine as in land vehicles or stationary industrial engines. Thus, the internal components of the engine are protected from the effects of seawater. The sea water pump (which can also supply water to the exhaust system and bearing sleeves with water) sends sea water to a MIT Plate Heat Exchanger. The heated fresh water from the engine circulates through the plates inside the MIT Plate Heat Exchanger, transferring its heat to the sea water, cooling down, and returning to the engine.

Central Cooling Systems
In central cooling systems, sea water is used to cool the circulating fresh water in the secondary circuit. The cooled fresh water acts as a coolant for heat exchangers in systems that require cooling such as engine cooling water and jacket cooling water. The use of fresh water in the secondary circuit reduces corrosion and wear on circuit elements in machinery lines and minimizes backup and maintenance costs. MIT Plate Heat Exchangers offer the most suitable solutions for all capacities, keeping initial investment costs at minimum levels. Our heat exchangers, which can work perfectly with different plate angles and types in all systems, come with standard stainless steel, titanium plates, as well as different plate materials tailored to your needs. Standard bodies can be used in the maritime sector, but in cases where weight is critical, specially designed lightweight aluminum and aluminum alloy bodies can be used.

Corrosion-Resistant Heat Exchangers
The most significant problem in the maritime sector is the highly corrosive nature of seawater. MIT Plate Heat Exchangers provide a definitive solution to this problem with their corrosion-resistant complete titanium and titanium alloy 316 plates. MIT Plate Heat Exchangers are the industry's sole solution point with plate, gasket, and body options suitable for any process that may be needed on a ship.