ME
AUX
AUX
DE
DE
Wärtsilä 10V31DF
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
750
750
720
750
720
rpm
Engine speed
550
550
530
550
530
kW
Cylinder output
Variable
Constant
Constant
Constant
Constant
Speed mode
6
6
6
6
6
m
3
Oil volume in separate system oil
tank
0.45
0.35
0.45
0.35
0.45
0.35
0.45
0.35
0.45
0.35
g/kWh
Oil consumption at 100% load,
approx.
2450
2450
2450
2450
2450
l/min
Crankcase ventilation flow rate at
full load
0.1
0.1
0.1
0.1
0.1
kPa
Crankcase ventilation backpres-
sure, max.
6.0...6.8
6.0...6.8
6.0...6.8
6.0...6.8
6.0...6.8
l
Oil volume in turning device
Cooling water system
HT cooling water system
383 + static
383 + static
383 + static
383 + static
383 + static
kPa
Pressure at engine, after pump,
nom. (PT 401)
600
600
600
600
600
kPa
Pressure at engine, after pump,
max. (PT 401)
83
83
83
83
83
°C
Temperature before cylinders,
approx. (TE 401)
96
96
96
96
96
°C
Temperature after engine, nom.
90
90
90
90
90
m
3
/h
Capacity of engine driven pump,
nom.
210
210
210
210
210
kPa
Pressure drop over engine, total
100
100
100
100
100
kPa
Pressure drop in external system,
max.
70...150
70...150
70...150
70...150
70...150
kPa
Pressure from expansion tank
0.4
0.4
0.4
0.4
0.4
m
3
Water volume in engine
390
390
390
390
390
kPa
Delivery head of stand-by pump
LT cooling water system
650+ static
650+ static
650+ static
650+ static
650+ static
kPa
Pressure at engine, after pump,
nom. (PT 451)
40/ 45
40/ 45
40/ 45
40/ 45
40/ 45
°C
Temperature before engine, nom
(TE 451)
90
90
90
90
90
m
3
/h
Capacity of engine driven pump,
nom.
110
110
110
110
110
kPa
Pressure drop over charge air
cooler (two-stage)
100
100
100
100
100
kPa
Pressure drop in external system,
max.
70...150
70...150
70...150
70...150
70...150
kPa
Pressure from expansion tank
Starting air system
3000
3000
3000
3000
3000
kPa
Pressure, nom.
1500
1500
1500
1500
1500
kPa
Pressure at engine during start,
min. (alarm) (20°C)
3000
3000
3000
3000
3000
kPa
Pressure, max.
1500
1500
1500
1500
1500
kPa
Low pressure limit in air vessels
6.1
6.1
6.1
6.1
6.1
Nm
3
Starting air consumption, start
(successful)
Notes:
DBAE248994
3-17
3. Technical Data
Wärtsilä 31DF Product Guide
Summary of Contents for ?31DF Series
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