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Wartsila-O-E-W-46F,0 - 2 Pages

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Catalogue excerpts

Wärtsilä 46F The technologically advanced WÄRTSILÄ© 46F is a four-stroke diesel engine that can be run on either heavy fuel oil (HFO), marine diesel oil (MDO), or on light diesel when being operated within strict coastal or port emissions areas. This fuel switching can take place smoothly and without power interruption across all engine loads. This flexibility enables the operator to select the fuel according to price, availability, and the need to meet local emissions regulations. The Wärtsilä 46F offers best-inclass fuel economy, as well as outstanding power-to-weight and power-to-space ratios in its 7.2–19.2 MW power range at 600 rpm. KEY BENEFITS OF WÄRTSILÄ 46F: •• Proven and reliable heavy fuel technology from an industry leader •• Thermal efficiency for complete combustion and minimal exhaust gas emissions •• Fuel economy throughout entire engine operational range, thanks to efficient twin-plunger fuel injection system, to give significant cost savings •• Advanced modular design means fewer components, lower inventory costs, less maintenance, and faster crew training •• Extended overhaul intervals provides greater engine availability and reduced operational costs •• Embedded automation system for optimal operating efficiencies TYPICAL APPLICATION AREAS The Wärtsilä 46F is designed to meet specific customer needs in a wide range of shipping and power plant applications. For example, its modular and compact design makes it suitable for installation as the prime mover on most general cargo and passenger ships. Plus the outstanding power to weight and space ratios, as well as its wide power range, often mean that fewer engines are needed, thereby creating significant savings in capital investment. The Wärtsilä 46F engine can be installed and optimized for constant diesel electric propulsion, as well as direct drive main engine applications. It can operate at either constant speed or along a combinatory curve. OPERATIONAL FEATURES Its flexibility in fuel choice allows the Wärtsilä 46F to operate on a broad range of fuel viscosities, from 2.0 cSt up to 730 cSt HFO (at 50 °C / 122 °F).

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The engine is able to operate efficiently and economically on low Sulphur fuel oils (<0,1 % S), making it suitable for operation in emission-controlled areas. The engine can also be equipped with a SCR catalyst, which can reduce the NOx emissions by up to 95%, thereby enabling the machinery to be IMO Tier III compliant already The Wartsila' 46F is equipped with a Variable Inlet Valve (VIC) system for improved overall engine performance at partial and low engine loads. It is also available with a twin pump (TP) fuel injection system as standard. With TP, the fuel injection process can be adjusted...

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