WinGD X62DF-S2.0 User Manual

Marine Installation Manual 2022-03 4-85
4 Ancillary Systems
4.7 Fuel oil system
X62DF-S2.0
4.7.7 Fuel oil viscosity-temperature dependency
The fuel oil viscosity depends on its temperature. This dependency is shown as
graph in Figure 4-51.
Figure 4-51 Fuel oil viscosity-temperature diagram
SM-0215
-10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160
100 000
50 000
20 000
10 000
5 000
2 000
1 000
500
400
300
200
100
50
40
30
20
17
13
10
9
8
7
6
5
4
3
33
35
40
45
60
70
80
100
150
200
300
400
500
600
800
1 000
1 500
2 000
3 000
4 000
5 000
10 000
20 000
50 000
100 000
200 000
400 000
400 000
200 000
100 000
50 000
20 000
10 000
5 000
3 000
2 000
1 500
1 000
800
600
400
300
200
150
100
80
70
60
50
45
40
36
Seconds Saybolt Universal Seconds Redwood No.1
Kinematic viscosity
[mm
2
/s (cSt)]
-10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
0102030
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 220 240 260 280 300 320
340
[°C]
[°F]
Recommended viscosity range for HFO before fuel injection pumps
Fuel oil temperature
Example
To obtain the recommended viscosity before fuel injection pumps
a fuel oil of 380 mm
2
/s (cSt) at 50 °C must be heated up to 130 °C to 140 °C.
Oils can be pumped only with difficulty
or not at all
30
60
100
Marine Gas Oil
(typical)
Marine Diesel Oil
(typical)
30
60
100
180
600
50
Bunker Fuel Oil
380
380
Required viscosity range for HFO before fuel injection pumps
700 mm
2
/s at 50 °C

WinGD X62DF-S2.0 Specifications

General

Brand	WinGD
Model	X62DF-S2.0
Category	Marine Equipment
Language	English