Fuel Oil Separator · Separators & Purifiers
Alfa Laval Fuel Oil Treatment. The Alfa Laval Fuel Conditioning Module is a two-stage automated pressure booster system that conditions marine diesel fuel (HFO, MDO, MGO as well as alternative fuels such as methanol, LPG, ammonia and LNG). The system controls cleanliness, pressure, temperature, viscosity and flow to the ship engine manufacturer's specifications.
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| Filter element inspection/cleaning | per differential pressure indication, typically weekly to monthly depending on fuel quality |
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| Circulation pump seal service | annually or per running hours - confirm against the maker's schedule |
| Sensor calibration | annually |
| Full module service | typically every 8,000-12,000 running hours or per the maker's schedule - confirm against the MOPX service manual |
| Filter differential pressure alarm/trip | typically in the region of 1.0-2.0 bar depending on the specific filter element rating - confirm against the MOPX 405 instruction manual for the exact set point |
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Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Fuel oil treatment equipment feeding the main/auxiliary engines normally falls within Continuous Survey Machinery scope. Class reviews alarm/trip test records and the filter maintenance log, and checks that the VLSFO/MGO changeover procedure is documented in the ship's fuel changeover procedure per MARPOL Annex VI.
Estimated lifetime: Module service life is commonly 15-20+ years with scheduled component renewal (pumps, sensors, filter housings); wear-component life is condition- and fuel-quality-dependent - confirm against the maker's service schedule.
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