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MAN Diesel & Turbo Develops Turbocharger Cut-Out Retrofit

Posted on July 28, 2010

MAN Diesel & Turbo has developed a turbocharger cut-out retrofit product in response to a growing interest from the shipping industry for slow steaming technologies. The turbocharger cut-out with swing gate valves was designed to reduce fuel consumption and expenses for vessels by allowing a frequent change between full- and part-load operation without having to manually install and remove blinding plates.

Recent tests have shown that large container vessels that are slow steaming at 40% MCR can save 8 g HFO per kWh when one out of three turbochargers is disconnected. When there is a need for increased power, the turbocharger cut-out can be opened.

“The big advantage is that you have a flexible solution to save on fuel oil,” said Peter Jensen, manager of the retrofit department in PrimeServ Copenhagen, which handles the retrofit installations. “A lot of customers need to be able to continue to have the possibility of running on full load, but at the same time saving fuel oil when they are slow steaming.”

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