ME
ME
DE
DE
AUX
AUX
Wärtsilä 12V34DF
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
500
500
500
480
500
480
kW
Cylinder output
-
7431
-
7488
-
7488
-
7488
-
7488
-
7488
kJ/kWh
Fuel gas consumption at 85%
load
-
7438
-
7702
-
7702
-
7702
-
7702
-
7702
kJ/kWh
Fuel gas consumption at 75%
load
-
7607
-
8390
-
8390
-
8390
-
8390
-
8390
kJ/kWh
Fuel gas consumption at 50%
load
189
1.9
189
1.9
189
1.9
188
1.9
191
1.9
190
1.9
g/kWh
Fuel oil consumption at 100%
load
185
2.2
186
2.2
186
2.2
185
2.2
188
2.2
187
2.2
g/kWh
Fuel oil consumption at 85% load
183
2.5
186
2.5
186
2.5
185
2.5
188
2.5
187
2.5
g/kWh
Fuel oil consumption at 75% load
182
3.4
194
3.8
194
3.8
193
3.8
194
3.8
193
3.8
g/kWh
Fuel oil consumption 50% load
Fuel gas system (Note 5)
-
535
-
535
-
535
-
535
-
535
-
535
kPa (a)
Gas pressure at engine inlet, min
(PT901)
-
655
-
655
-
655
-
655
-
655
-
655
kPa (a)
Gas pressure to Gas Valve Unit,
min
-
0...60
-
0...60
-
0...60
-
0...60
-
0...60
-
0...60
°C
Gas temperature before Gas
Valve Unit
Fuel oil system
700±50
700±50
700±50
700±50
700±50
700±50
kPa
Pressure before injection pumps
(PT 101)
6.4
6.4
6.4
6.1
6.5
6.2
m
3
/h
Fuel oil flow to engine, approx
16...24
-
16...24
-
16...24
-
16...24
-
16...24
-
16...24
-
cSt
HFO viscosity before the engine
140
-
140
-
140
-
140
-
140
-
140
-
°C
Max. HFO temperature before
engine (TE 101)
2.0
2.0
2.0
2.0
2.0
2.0
cSt
MDF viscosity, min.
45
45
45
45
45
45
°C
Max. MDF temperature before
engine (TE 101)
4.7
4.6
4.6
4.4
4.6
4.4
kg/h
Leak fuel quantity (HFO), clean
fuel at 100% load
23.4
11.7
23.2
11.6
23.2
11.6
22.1
11.1
23.2
11.6
22.1
11.1
kg/h
Leak fuel quantity (MDF), clean
fuel at 100% load
2...11
2...11
2...11
2...11
2...11
2...11
cSt
Pilot fuel (MDF) viscosity before
the engine
550...750
550...750
550...750
550...750
550...750
550...750
kPa (a)
Pilot fuel pressure at engine inlet
(PT 112)
150
150
150
150
150
150
kPa
Pilot fuel pressure drop after en-
gine, max
680
680
680
680
680
680
kg/h
Pilot fuel return flow at 100% load
Lubricating oil system
500
500
500
500
500
500
kPa
Pressure before bearings, nom.
(PT 201)
40
40
40
40
40
40
kPa
Suction ability, including pipe
loss, max.
50
50
50
50
50
50
kPa
Priming pressure, nom. (PT 201)
35
35
35
35
35
35
kPa
Suction ability priming pump, in-
cluding pipe loss, max.
63
63
63
63
63
63
°C
Temperature before bearings,
nom. (TE 201)
81
81
81
81
81
81
°C
Temperature after engine, approx.
129
129
129
124
129
124
m
3
/h
Pump capacity (main), engine
driven
3-14
Wärtsilä 34DF Product Guide - a16 - 23 September 2016
Wärtsilä 34DF Product Guide
3. Technical Data
Summary of Contents for WARTSILA 34DF
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