An ageing VTR turbocharger can affect engine performance, increase specific fuel oil consumption (SFOC) and limit the maximun power output. The
Wärtsilä Performance upgrade for Vasa 32 engines is a comprehensive, tailored package that boost engine performance, reduces operating costs and increases operational flesibility - all while helping you to comply with increasingly strict emission
The upgrade is suitable for all Wärtsilä Vasa 6R32 and 12V32 installations that mainly operate between 50% and 100% load and is particularly recommended for installations operating in extreme environmental conditions. In addition, Vasa 32 engines manufactured after 1991 may also be upgraded following a Low NOx conversion. The process involves replacing the VTR turbocharger with a modern, state-of-the-art, high-efficiency turbocharger, enabling the use of earlier inlet valve closing, known as the Miller concept. The upgrade reduces SFOC by up to 5 g/kWh, according to laboratory tests performed with an engine running at 85% load.
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The upgrade is a package solution that includes all the necessary parts. The need for engine tuning will be determined on a case-by-case basis.
The upgrade is particularly recommended for installations operating in extreme conditions where high environmental temperatures limit the engine’s maximum continuous rating.
The upgrade is suitable for all Wärtsilä Vasa 6R32 and 12V32 installations that mainly operate between 50% and 100% load.