Wartsila 31 Product Manual page 22

3. Technical Data
Wärtsilä 12V31
Engine speed
Cylinder output
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)
Pressure drop over charge air cooler (two-stage)
Pressure drop over oil cooler
Pressure drop in external system, max.
3-8
DE DE
IMO Tier 2 IMO Tier 2
RPM 720 750
kW/cyl 590 610
g/kWh
180.4 181.4
kg/h
25.5 26.5
kg/h
5.1 5.3
kPa
420 420
kPa
40 40
kPa
60 60
kPa
35 35
°C
70 70
°C
82 82
m³/h
138 144
m³/h
137 137
m³/h 29.0 / 29.0 29.0 / 29.0
m³
3.3 3.3
m³
9.6 9.9
g/kWh
0.45 0.45
l/min 2940 2940
kPa 0.1 0.1
liters 6.0...6.8 6.0...6.8
kPa 363 + stat- 363 + stat-
ic ic
kPa
600 600
°C
83 83
°C 96 96
m³/h
110 110
kPa 210 210
kPa
100 100
kPa 70...150 70...150
m³
°C 25 ... 38 25 ... 38
m³/h
110 110
kPa
41 41
kPa
110 110
kPa
115 115
kPa
100 100
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
180.9 181.9 176.6
25.6 26.6 26.5
5.1 5.3 5.3
420 420 420
40 40 40
60 60 60
35 35 35
70 70 70
82 82 82
138 144 170
137 137 137
29.0 / 29.0 29.0 / 29.0 29.0 / 29.0
3.3 3.3 3.3
9.6 9.9 9.9
0.45 0.45 0.45
2940 2940 2940
0.1 0.1 0.1
6.0...6.8 6.0...6.8 6.0...6.8
363 + stat- 363 + stat- 363 + stat-
ic ic ic
600 600 600
83 83 83
96 96 96
110 110 110
210 210 210
100 100 100
70...150 70...150 70...150
25 ... 38 25 ... 38 25 ... 38
110 110 110
41 41 41
110 110 110
115 115 115
100 100 100