PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IT-G-A-20-007e I
May 2015
GAS ENGINES – PRESSURE LOSSES AND FLOWRATES
2/7
2. MINIMUM FLOWRATES FOR FGLD ENGINES
2.1 MAIN COOLING CIRCUIT
Engine
Speed
Minimum flowrate
Delta P
K
[rpm] [m
3
/h] [bar]
FGLD180
FG180
1500 25
0.28
4.5·10
-4
1800 30
0.41
FGLD240
FG240
1500 30
0.30
3.3·10
-4
1800 35
0.40
FGLD360
1500 50
0.25
1.0·10
-4
1800 60
0.36
FGLD480
1500 60
0.40
1.1·10
-4
1800 70
0.54
2.2 AUXILIARY COOLING CIRCUIT
Engine
Speed
Temperature
Minimum Flowrate
Delta P
K
[rpm] [ºC]
[m
3
/h] [bar]
FGLD180
1500
55(Biogas)
15
0.42 1.86·10
-3
55 0.45
2.01·10
-3
80 0.46
2.04·10
-3
1800
55
20
0.81 2.01·10
-3
80 0.82
2.04·10
-3
FGLD240
1500
55(Biogas)
20
0.74 1.86·10
-3
55 (90 Main C.)
0.80
2.01·10
-3
55 (120 Main C.)
0.82
2.04·10
-3
80 0.7
1.76·10
-3
1800
55(Biogas)
25
1.16 1.86·10
-3
55 1.26
2.01·10
-3
80 1.10
1.76·10
-3
FGLD360
1500
55 (90 Main C.)
20
0.45 1.13·10
-3
55 (120 Main C.)
0.45
1.13·10
-3
80 (90 Main C.)
0.45
1.13·10
-3
80 (120 Main C.)
0.46
1.16·10
-3
1800
55
25
0.68 1.09·10
-3
80 0.71
1.13·10
-3
FGLD480
1500
55 (90 Main C.)
20
0.45 1.13·10
-3
55 (120 Main C.)
0.46
1.16·10
-3
80 0.47
1.18·10
-3
1800
55
25
0.71 1.13·10
-3
80 0.74
1.18·10
-3
2.2.10
O&M_2.002211.810_A_10_2016
