Wartsila ?31DF Series User Manual

MEAUXAUXDEDE
Wärtsilä 10V31DF
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
Diesel
mode
Gas
mode
750750720750720rpmEngine speed
550550530550530kWCylinder output
VariableConstantConstantConstantConstantSpeed mode
-7082-7294-7226-7294-7226kJ/kWhFuel gas consumption at 75%
load
-7157-7515-7484-7515-7484kJ/kWhFuel gas consumption at 50%
load
177.73.8177.73.8177.23.8177.73.8177.23.8g/kWhFuel oil consumption at 100%
load
173.44.2175.04.5174.04.4175.04.5174.04.4g/kWhFuel oil consumption at 85% load
177.24.1178.15.1177.85.0178.15.1177.85.0g/kWhFuel oil consumption at 75% load
180.44.3185.37.6184.57.6185.37.6184.57.6g/kWhFuel oil consumption 50% load
Fuel gas system
-895-895-895-895-895kPa (a)Gas pressure at engine inlet, min
(PT901)
-1015-1015-1015-1015-1015kPa (a)Gas pressure to Gas Valve Unit,
min
-0...60-0...60-0...60-0...60-0...60°CGas temperature before Gas Valve
Unit
Fuel oil system
1000±1001000±1001000±1001000±1001000±100kPaPressure before HP pumps (PT
101)
3.63.63.63.63.6m
3
/hEngine driven pump capacity
(MDF only)
16...24-16...24-16...24-16...24-16...24-cStHFO viscosity before the engine
140-140-140-140-140-°CMax. HFO temperature before
engine (TE 101)
2.02.02.02.02.0cStMDF viscosity, min.
4545454545°CMax. MDF temperature before
engine (TE 101)
0.50.50.50.50.5kg/hLeak fuel quantity (HFO), clean
fuel at 100% load
1.50.91.50.91.50.91.50.91.50.9kg/hLeak fuel quantity (MDF), clean
fuel at 100% load
Lubricating oil system
420420420420420kPaPressure before bearings, nom.
(PT 201)
4040404040kPaSuction ability, including pipe
loss, max.
150150150150150kPaPriming pressure, nom. (PT 201)
3535353535kPaSuction ability priming pump, in-
cluding pipe loss, max.
7070707070°CTemperature before bearings,
nom. (TE 201)
8282828282°CTemperature after engine, approx.
144130125130125m
3
/hPump capacity (main), engine
driven
120120120120120m
3
/hPump capacity (main), electrically
driven
50.0 / 50.050.0 / 50.050.0 / 50.050.0 / 50.050.0 / 50.0m
3
/hPriming pump capacity (50/60Hz)
3.43.43.43.43.4
m
3
Oil volume, wet sump, nom.
3-16 DBAE248994
Wärtsilä 31DF Product Guide3. Technical Data

Wartsila ?31DF Series Specifications

General

Brand	Wartsila
Model	?31DF Series
Category	Engine
Language	English