BOOST EFFICIENCY & LOWER EMISSIONS

Exhaust Gas Recirculation Cooler

The Exhaust Gas Recirculation Cooler, developed in close collaboration with our customers for medium and low speed engines, ensures that the recirculation exhaust-gas is mixed at the lowest possible temperature with the air for the combustion process. EURO and other bodies have set limits on NOx from marine diesel engines. Our recirculation cooler sets standards, meeting the requirement to reduce NOx emissions by 80% on 2-stroke engines, plus 4-stroke engines.

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The Exhaust Gas Recirculation Cooler, developed in close collaboration with our customers for medium and low speed engines, ensures that the recirculation exhaust-gas is mixed at the lowest possible temperature with the air for the combustion process. EURO and other bodies have set limits on NOx from marine diesel engines. Our recirculation cooler sets standards, meeting the requirement to reduce NOx emissions by 80% on 2-stroke engines, plus 4-stroke engines.

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EGR Coolers are an essential element of EGR systems for the next engine generation, which already fulfills future emission guidelines according to IMO (International Maritime Organization), EPA (US Emission Protection Agency), EURO, etc. We have developed various cooler designs to meet the different requirements of EGR Coolers in 2-stroke and 4-stroke engines.

The patented design for the 4-stroke engine’s high-pressure EGR system enables cooling of exhaust gas, some of which are over 700 °C, down to 100 °C. All tests conducted with customers at their facilities have shown conformity with pollution results. These tests have verified the operational characteristics, especially pollution behavior and transferred heat output. High-end software tools are implemented to predict the lifetime and reliability of the cooler under extreme operating conditions.