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Wärtsilä LNGPac

Wärtsilä LNGPac is a complete system that includes the bunkering station, LNG tank and tank room compartment, process skid, glycol-water heating unit, and the control and monitoring system



Natural gas is becoming increasingly viable as a propulsion fuel in marine applications. Wärtsilä is a leader in developing dual-fuel engine and LNG fuel system technologies that have enabled this change.
We offer the LNG fuel system on its own, as well as a part of a complete propulsion system. Wärtsilä Hamworthy can deliver LNG fuel gas systems for propulsion and power generation for any applicable types of ship or engine.

Standard solution
Bunkering takes place from the bunkering station to the LNG tank via an insulated pipe. The LNG tank connection space compartment is mounted directly on the LNG tank. The tank connection space contains all the piping penetrations through the tank shell, as well as all heating media connections to the LNG evaporators.
The process inside the tank connection space includes all the connections and valves between the tank and the Pressure Build-up Evaporator (PBE), and between the tank and the Main Gas Evaporator (MGE), together with the evaporators themselves. The evaporators are heated by glycol-water that is circulated within a glycol-water heating unit.
Wärtsilä is proposing as a standard a proven design with no rotating machine with a pressurised vacuum insulated tank type C.

Customised solution
The LNGPac gas supply system can be customised to the needs of each project on a case to case basis by Wärtsilä Fuel Gas Handling’s expert team. Some dedicated engineering has to be performed at the beginning of the project to match the specific operational requirements, safety regulations, and the rules of each classification society qualifying the vessel.


Wärtsilä LNGPac™ standard dimensions and weights

Wärtsilä LNGPac™ ISO can be easily transported for refilling