PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IT-G-A-20-007e I
May 2015
GAS ENGINES – PRESSURE LOSSES AND FLOWRATES
5/7
3.4 AUXILIARY COOLING CIRCUIT. DOUBLE-STAGE AIRCOOLER
Engine
Speed Temperature Minimum
Flowrate
Delta P
K
[rpm] [ºC]
[m
3
/h] [bar]
SFGLD/SFGRD/SFGM 360
1200 55
15 0.47
2.06·10
-3
1500
40 – 55
23
1.09
1800 55
25 1.29
SFGLD/SFGRD/SFGM 480
1200 55
18 0.67
2.06·10
-3
1500
40 – 55
23
1.09
1800 55
25 1.29
SFGLD/SFGRD/SFGM 560
1200 55
17 0.6
1500
40 – 55
21
0.9
1800 55
25 1.28
4. MINIMUM FLOWRATES FOR HGM ENGINES
4.1 MAIN COOLING CIRCUIT
Engine Speed
Minimum
Flowrate
Delta P
K
[rpm]
[m
3
/h] [bar]
HGM240
1500 36
0,71
5,48·10
-4
1800 45
1.11
HGM420
1500 55
1.27
4.23· 10
-4
1800 60
1.52
HGM560
1200 55
0.53
1.78·10
-4
1500 70
0.87
1800 80
1.13
4.2 AUXILIARY COOLING CIRCUIT.
4.2.1 DOUBLE STAGE INTERCOOLER
Engine Speed Temperature
Minimum Flowrate
Delta P
K
[rpm] [ºC]
[m
3
/h] [bar]
HGM420
1500
40-55
21 0.83
1.90·10
-3
1800 25
1.18
HGM560
1200 12
0.27
1500 21
0.83
1800 25
1.18
2.2.13
O&M_2.002211.810_A_10_2016