Wartsila ?31DF Series Product Manual page 56

3. Technical Data
Wärtsilä 14V31DF
Engine speed
Cylinder output
Speed mode
Fuel gas consumption at 75%
load
Fuel gas consumption at 50%
load
Fuel oil consumption at 100%
load
Fuel oil consumption at 85% load
Fuel oil consumption at 75% load
Fuel oil consumption 50% load
Fuel gas system
Gas pressure at engine inlet, min
(PT901)
Gas pressure to Gas Valve Unit,
min
Gas temperature before Gas Valve
Unit
Fuel oil system
Pressure before HP pumps (PT
101)
Engine driven pump capacity
(MDF only)
HFO viscosity before the engine
Max. HFO temperature before
engine (TE 101)
MDF viscosity, min.
Max. MDF temperature before
engine (TE 101)
Leak fuel quantity (HFO), clean
fuel at 100% load
Leak fuel quantity (MDF), clean
fuel at 100% load
Lubricating oil system
Pressure before bearings, nom.
(PT 201)
Suction ability, including pipe
loss, max.
Priming pressure, nom. (PT 201)
Suction ability priming pump, in-
cluding pipe loss, max.
Temperature before bearings,
nom. (TE 201)
Temperature after engine, approx.
Pump capacity (main), engine
driven
Pump capacity (main), electrically
driven
Priming pump capacity (50/60Hz)
Oil volume, wet sump, nom.
3-32
DE
Gas Diesel Gas
mode mode mode
rpm 720
kW 530
Constant Constant
kJ/kWh 7226 - 7294
kJ/kWh 7484 - 7515
g/kWh 3.8 177.2 3.8
g/kWh 4.4 174.0 4.5
g/kWh 5.0 177.8 5.1
g/kWh 7.6 184.5 7.6
kPa (a) 895 - 895
kPa (a) 1015 - 1015
°C 0...60 - 0...60
kPa 1000±100 1000±100
3
m /h 7.2
cSt - 16...24 -
°C - 140 -
cSt 2.0
°C 45
kg/h 1.1
kg/h 1.8 3.0 1.8
kPa 420
kPa 40
kPa 150
kPa 35
°C 70
°C 82
m 3 /h 164
m 3 /h 160
3
m /h 70.0 / 70.0 70.0 / 70.0
3
m
4.8
DE AUX
Diesel Gas Diesel Gas
mode mode mode mode
750 720
550 530
Constant
- 7226 - 7294
- 7484 - 7515
177.7 3.8 177.2
175.0 4.4 174.0
178.1 5.0 177.8
185.3 7.6 184.5
- 895 -
- 1015 - 1015
- 0...60 - 0...60
1000±100
7.2 7.2
16...24 - 16...24
140 - 140
2.0 2.0
45 45
1.1 1.1
3.0 1.8 3.0
420 420
40 40
150 150
35 35
70 70
82 82
170 164
160 160
70.0 / 70.0
4.8 4.8
Wärtsilä 31DF Product Guide
AUX ME
Diesel Gas Diesel
mode mode mode
750 750
550 550
Constant Variable
- 7082 -
- 7157 -
3.8 177.7 3.8 177.7
4.5 175.0 4.2 173.4
5.1 178.1 4.1 177.2
7.6 185.3 4.3 180.4
895 - 895 -
- 1015 -
- 0...60 -
1000±100 1000±100
7.2 7.2
- 16...24 - 16...24
- 140 - 140
2.0 2.0
45 45
1.1 1.1
1.8 3.0 1.8 3.0
420 420
40 40
150 150
35 35
70 70
82 82
170 189
160 160
70.0 / 70.0 70.0 / 70.0
4.8 4.8
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