Wartsila ?31DF Series Product Manual page 129

Wärtsilä 31DF Product Guide
Fig 7-4
Design data:
Oil tank volume
Oil level at service
Oil level alarm
7.2.3 Suction strainers (2F01, 2F04, 2F06)
It is recommended to install a suction strainer before each pump to protect the pump from
damage. The suction strainer and the suction pipe must be amply dimensioned to minimize
pressure losses. The suction strainer should always be provided with alarm for high differential
pressure.
Design data:
Fineness
DBAE248994
Example of system oil tank arrangement (DAAE007020e)
1.2...1.5 l/kW, see also Technical data
75...80% of tank volume
60% of tank volume
0.5...1.0 mm
7. Lubricating Oil System
7-7