Fuel switching system - designed by Lemag, Germany

Recently, Lemag Lehmann & Michels, based in Hamburg, Germany, said that the company has received a letter of no objection from Mann Diesel & Turbo, arguing that the MAN engine can use the company's CONTROLmag fuel switching system.

The company designed this fuel switching system at the request of Mann in 2008 to safely switch between heavy fuel oil (HFO) and marine distillate (MDO). For example, when a ship enters or exits a pollution emission control zone, the Lemag system can control the entire process of fuel switching. The system is designed to include a DIESEL diverter switch valve with a magnetically coupled seal and a feedback sensor at the rotor position.

It is reported that the three special valve designs can also be used to switch between the different levels of the HFO and MDO fuel tanks, with a liquid level difference of 20 meters. The entire switching process is equipped with more than 50 alarm systems to control the switching process and protect the engine.

The CONTROLmag system has been registered with several patents, and Mann's no-objection letters represent valuable and timely opportunities.

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