Fig 6-8
Example of fuel oil system (HFO) for low sulphur operation, multiple engine
installation (DAAF040653A)
System components
Day tank (HFO)
1T03
Diesel engine Wärtsilä L20
01
Leak fuel tank (MDF clean fuel)
1T04
Heater (Booster unit)
1E02
Leak fuel tank (HFO clean fuel)
1T04-1
Cooler (Booster unit)
1E03
Day tank (MDF)
1T06
Cooler (MDF return line)
1E04
Leak fuel tank (Dirty fuel)
1T07
Safety filter (HFO)
1F03
De-aeration tank (Booster unit)
1T08
Fine filter (MDF)
1F05
Settling tank (MDF)
1T10
Suction filter (Booster unit)
1F06
Settling tank (LSHFO)
1T17
Suction strainer (MDF)
1F07
Day tank (LSHFO)
1T18
Automatic filter (Booster unit)
1F08
Day tank (LSMDF)
1T21
Flow meter (Booster unit)
1I01
Settling tank (LSMDF)
1T22
Viscosity meter (Booster unit)
1I02
Changeover valve
1V01
Circulation pump (MDF)
1P03
Pressure control valve (MDF)
1V02
Fuel feed pump (Booster unit)
1P04
Pressure control valve (HFO)
1V04
Circulation pump (Booster unit)
1P06
Overflow valve (HFO/MDF)
1V05
Transfer pump (HFO)
1P09
Overflow valve (HFO/MDF)
1V05-1
Transfer pump (MDF)
1P10
Changeover valve
1V08
Settling tank (HFO)
1T02
Size
Pipe connections
Pos
OD18
Fuel inlet
101
OD18
Fuel outlet
102
OD18
Leak fuel drain, clean fuel
103
OD22
Leak fuel drain, dirty fuel free end
1041
OD18
Leak fuel drain, dirty fuel FW-end
1043
Wärtsilä 20 Product Guide - a13 - 6 September 2016
6-23
6. Fuel Oil System
Wärtsilä 20 Product Guide
Summary of Contents for WARTSILA 20
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