Maritime sector

Maritime sector

Dead stop on the high seas without HX-Factor


More than 90 % of global transportation of goods is carried out on the high seas; the maritime arteries of the world economy. People also enjoy spending their leisure time on the water and the cruise business is the fastest growing travel market. The reliability and efficiency of ship propulsion systems, the cooling of provisions, and the feel-good climate of the passengers are some important application areas for Kelvion technology in this sector. Our heat exchangers are installed on the Queen Mary 2, the AIDA fleet, and on countless cargo ships to name but a few.


Major engine manufacturers throughout the world have learned to count on our heat exchangers. For 50 years now, we have been one of the leading specialists in the development and manufacture of finned tube heat exchangers, designed for diesel and gas engines. They have gained recognition over the world for their great performance and their reliability. Thanks to the use of special materials, advanced coating technologies, and innovative finned-tube systems, they can also be used in engines that use biogas or other gaseous fuels.

In accordance with the directives of the International Maritime Organizations of the United Nations (IMO), it will be necessary to radically reduce pollutant emissions in maritime transport by the year 2016: i.e., in stages by 80 %. With its finned tube heat exchangers for exhaust-gas recirculation, we offer the technically most efficient solution for reduction of nitrogen oxides.

Engine rooms

Our plate exchangers are often found in the engine rooms of ships. They are used in central cooling systems, as well as for cooling of lubrication oil, and for preheating of heavy oil and of sea water for supply of fresh water.

Restricted space, vibrations, and high pressure: technical systems on board a ship must be rugged and yet small. Shell and tube heat exchangers from us for cooling of turbine, machine, gear, and other oils are optimally designed for maritime applications. Box coolers from us are virtually maintenance-free. They use sea water as cooling medium and require no costly periphery, because – for example – they use the flow velocity of the water surrounding the ship during sailing.
In the machine room, our filter systems assure effective cleaning of the process and extract air.

As a rule, steam turbines are no longer used as ship propulsion systems. For energy conversion, however, they are still frequently on board. In order that the condensers required for cooling can be operated with sea water as cooling medium, expertise in the field of materials engineering is critical here. We offer decades of expertise and uses, for example, titanium and copper-nickel alloys to minimize wear and maintenance on these systems.

Gas transport

Plate heat exchangers assure on land and at sea that no problems arise with the compression, cooling, and regasification of liquid-gas freight. Natural gas changes to liquefied natural gas (LNG) by cooling down. The benefit: LNG has only a fraction of the volume of natural gas in its original, gaseous state. As a result, LNG offers major advantages, especially for transport and storage.

Room air

Our finned tube heat exchangers are also designed for the rugged conditions on board seagoing ships. They are planned to withstand horizontal and vertical ship rolling even at the most turbulent sea conditions. 

Wherever people make use of technology, heat exchangers are critical. On ships and offshore platforms, a great number and variety of media must be cooled and warmed. And internal-combustion engines and electrical motors must be cooled just as steam turbines – or simply the winch systems on deck.

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