Wartsila 31 Product Manual page 16

3. Technical Data
Wärtsilä 8V31
Engine speed
Cylinder output
Fuel consumption at 100% load, MDF
Fuel consumption at 85% load, MDF
Fuel consumption at 75% load, MDF
Fuel consumption at 50% load, MDF
Clean leak fuel quantity, MDF at 100% load
Clean leak fuel quantity, HFO at 100% load
Lubricating oil system
Pressure before bearings, nom. (PT 201)
Suction ability main pump, including pipe loss, max.
Priming pressure, nom. (PT 201)
Suction ability priming pump, including pipe loss, max.
Temperature before bearings, nom. (TE 201)
Temperature after engine, approx.
Pump capacity (main), engine driven
Pump capacity (main), stand-by
Priming pump capacity, 50Hz/60Hz
Oil volume, wet sump, nom.
Oil volume in separate system oil tank, nom.
Oil consumption (100% load), approx.
Crankcase ventilation flow rate at full load
Crankcase ventilation backpressure, max.
Oil volume in turning device
Cooling water system
High temperature cooling water system
Pressure at engine, after pump, nom. (PT 401)
Pressure at engine, after pump, max. (PT 401)
Temperature before cylinders, approx. (TE 401)
HT-water out from engine, nom (TE432)
Capacity of engine driven pump, nom.
Pressure drop over engine, total
Pressure drop in external system, max.
Pressure from expansion tank
Water volume in engine
Low temperature cooling water system
Temperature before engine (TE 451)
Capacity of engine driven pump, nom.
Pressure drop over charge air cooler (one-stage)
3-2
DE DE
IMO Tier 2 IMO Tier 2
RPM 720 750
kW/cyl 590 610
g/kWh
172.5 173.5
g/kWh
169.7 170.6
g/kWh
171.6 172.5
g/kWh
180.4 181.4
kg/h
17.0 17.7
kg/h
3.4 3.6
kPa
420 420
kPa
40 40
kPa
60 60
kPa
35 35
°C
70 70
°C
82 82
m³/h
125 130
m³/h
100 100
m³/h 20.0 / 20.0 20.0 / 20.0
m³
2.54 2.54
m³
6.4 6.6
g/kWh
0.45 0.45
l/min 1960 1960
kPa 0.1 0.1
liters 6.0...6.8 6.0...6.8
kPa 358 + stat- 358 + stat-
ic ic
kPa
600 600
°C
83 83
°C 96 96
m³/h
80 80
kPa 210 210
kPa
100 100
kPa 70...150 70...150
m³
0.603 0.603
°C 25 ... 38 25 ... 38
m³/h
80 80
kPa
41 41
Wärtsilä 31 Product Guide - a1 - 18 October 2016
Wärtsilä 31 Product Guide
AUX AUX ME
IMO Tier 2 IMO Tier 2 IMO Tier 2
720 750 750
590 610 610
173.0 174.0 173.5
170.1 171.1 170.6
172.0 173.0 170.6
180.9 181.9 176.6
17.0 17.7 17.7
3.4 3.6 3.6
420 420 420
40 40 40
60 60 60
35 35 35
70 70 70
82 82 82
125 130 144
100 100 100
20.0 / 20.0 20.0 / 20.0 20.0 / 20.0
2.54 2.54 2.54
6.4 6.6 6.6
0.45 0.45 0.45
1960 1960 1960
0.1 0.1 0.1
6.0...6.8 6.0...6.8 6.0...6.8
358 + stat- 358 + stat- 358 + stat-
ic ic ic
600 600 600
83 83 83
96 96 96
80 80 80
210 210 210
100 100 100
70...150 70...150 70...150
0.603 0.603 0.603
25 ... 38 25 ... 38 25 ... 38
80 80 80
41 41 41