Wärtsilä: Order for cylinder lubrication retrofits from Reederei NSB

The 2478 TEU container ship "Cap Ferrato" is one of the NSB ships to be retrofitted with the Wärtsilä Retrofit Pulse Lubricating System. Built in 2002, the vessel is powered by a 7-cylinder Wärtsilä RTA72U-B main engine.

The new cylinder lubricating system will be fitted to all Wärtsilä RTA84C and RTA72U engines in the owner's fleet of container ships.

As per Wärtsilä statement shipowners have shown considerable interest for retrofitting the electronically-controlled Retrofit Pulse Lubricating System (RPLS) to Wärtsilä RTA and RT-flex low-speed marine diesel engines. Orders have already been received for more than 150 complete engine installations. The first retrofit was completed in September 2006 while today more than 100 engines are in service with RPLS.

The Pulse Lubricating System delivers reduced cylinder oil consumption without compromising piston-running reliability, says Wärtilä. This is made possible through an improved distribution of cylinder lubricating oil to the cylinder liner, and the fully flexible, precise timing of oil delivery. The guide feed rate for RTA and RT-flex engines retrofitted with the Pulse Lubricating System is 0.8 g/kWh of cylinder lubricating oil. The Pulse Lubricating System is available now for retrofitting to all Wärtsilä two-stroke engines.

Wärtsilä won an order from the German shipowner NSB Niederelbe Schiffahrtsgesellschaft mbH & Co KG (Reederei NSB) for retrofitting another 23 ships with the Retrofit Pulse Lubricating System (RPLS) to cut lubricating oil consumption and saves engine operating costs.

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