- Changeover from preheated HFO to cold MDO/ MGO and vice versa represents a risk of fuel pump sticking or seizure due to the very small clearances in the fuel pump.
- The Diesel Switch is able to do the changeover in a controlled way so that rapid temperature deviations are avoided.
- The changeover between HFO and distillate fuels can give problems for the fuel equipment, the process will need a high degree of automation to avoid incidents. MAN Diesel now offers the Diesel Switch, which ensures the necessary the flexibility and safety when changing between HFO and MDO/MGO.
The principle of the Diesel Switch-
- MAN Diesel recommends to reduce the load to 25-40% to control the changeover.
- The Diesel Switch ensures a controlled and safe changeover independent of the engine load.
- The Diesel Switch operates on a combination of the temperature at the engine and the time.
- If the fuel temperature at the engine inlet exceeds 2 degrees/minute the Diesel Switch will give an alarm and put the process on hold.
- The process will be logged in the Diesel Switch so that it can be used as documentation to port authorities after the changeover.
The Diesel Switch offers:
- Touch screen control panel
- Control handle for the changeover
- Safety
- Data logging
- Changeover valve
- Magnetic coupling
- Integrated sensor for actual position
- Integrated sensors for end positions
- Integrated connection box
- Manual override
- Controlling an MGO cooler or chiller
- Data logging of temperatures and pressures
- Remote operation with second touch screen
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