Wartsila ?31DF Series, Product Manual, Page: 107 / 216

● Sludge pump
●
Control cabinets including motor starters and monitoring
Fig 6-9 Fuel transfer and separating system (V76F6626G)
6.4.4.3 Separator feed pumps (1P02)
Feed pumps should be dimensioned for the actual fuel quality and recommended throughput
of the separator. The pump should be protected by a suction strainer (mesh size about 0.5
mm)
An approved system for control of the fuel feed rate to the separator is required.
MDF HFO Design data:
0.5 MPa (5 bar) 0.5 MPa (5 bar) Design pressure
50°C 100°C Design temperature
100 cSt 1000 cSt Viscosity for dimensioning electric motor
DBAE248994 6-23
6. Fuel Oil System Wärtsilä 31DF Product Guide