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In 2013, WinGD introduced the X-DF engine series. Dual-fuel engines, using gas admitted at low pressure and ignited by a low volume of liquid pilot fuel was a breakthrough in the marine industry. The X-DF engines offer new marine standards with low-pressure gas technology.
Low-pressure X-DF technology is based on the lean-burn Otto-cycle combustion principle, in which fuel and air are premixed and burned at a relatively high air-to-fuel ratio; a concept already used widely on medium-speed engines.
WinGD has applied a depth of gas engine expertise and experience to its low-speed engines – a move that extends the benefits of DF technology across the broader marine industry. To date, this technology has proven effective and numerous orders have been placed for a variety of vessel types, including large and small LNG carriers, container vessels and tankers.
The X-DF principle with gas admission (left) Emission reduction examples – switching to gas and ignition (right)
The low-pressure X-DF engines provide the following benefits:
Find out more about the simple gas supply system that our X-DF technology uses, to reduce system complexity and auxiliary power consumption.
In a world of stringent emission targets, WinGD offers a smarter perspective. Find out more about the benefits of using benchmark, low-pressure technology to offer compliance capabilities and viable solutions for new regulations.
The new iGPR system has been developed to simplify the engine gas regulation system, incorporating the full function of the external gas pressure regulation system into every new X-DF engine.