![]() The LM2500+G4 marine gas turbine was introduced in 2012 with the commissioning of the French Navy’s FREMM multipurpose frigate AQUITAIN. ![]() The LM2500+G4 engine will be made in the US at GE’s manufacturing facility in Evendale, Ohio. GE also offers water mist fire suppression capability to the composite enclosure. By using lightweight composites versus the steel enclosure predecessor, wall temperatures are 25oF to 50oF degrees cooler so there is less heat rejected into the engine room. One of the most important design features of this new module is that it provides a safer environment and improved access for sailors. The LM2500+G4 will be supplied in GE’s state-of-the-art composite gas turbine module. GE will ensure the gas turbine and all associated auxiliary equipment is to specification compliance and fully integrated with the propulsion plant. The LM2500+G4 gas turbine is certified to a US Navy rating of 30.3 MW (US Navy standard day). The US Navy’s frigates will feature the same power dense GE LM2500+G4 gas turbine in a COmbined Diesel eLectric And Gas turbine (CODLAG) propulsion system. The new frigates are based on Fincantieri’s proven FREMM design already in operation as the Italian Navy’s CARLOS BERGAMINI class frigates (a 10 ship programme). GE will also provide the gas turbine auxiliary skids (electric start, fuel forwarding and water wash systems) and the gas turbine control system. ![]() GE Marine has announced a contract to provide Fincantieri Marinette Marine with a GE LM2500+G4 aeroderivative marine gas turbine to power the US Navy’s CONSTELLATION class (FFG 62) frigate. ![]()
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