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ENGINES DATA
Air/exhaust gas systems
12 D/SS
12 D/SS 1500
Combustion air requirement
1,8 m³/s
2,3 m³/s
Intake air depression (max allowed)
30 mbar
30 mbar
Exhaust gas flow
4,7 m³/s
5,9 m³/s
Exhaust gas temperature after turbochargers
450° C
450° C
Exhaust gas counter-pressure (max allowed)
40 mbar
40 mbar
Preheating system
Circulation pump voltage
24 VDC
24 V DC
Preheating power
140 W
140 W
Raw water system
Raw water pump flow to coolant, oil heat exchanger (and air heat exchanger for 12 D/SS 1500 engine)
40 m³/h
65 m³/h
Raw water pump flow to air heat exchanger
20 m³/h
Inlet depression (max allowed)
0,1 bar
0,1 bar
Pressure loss in off-engine raw water system (max allowed)
0,3 bar
0,3 bar
Fuel system
Depression at inlet fuel delivery pumps (max allowed)
0,3 bar
0,3 bar
Fuel delivery pumps flow
0,7 m³/h
0,7 m³/h
Counter-pressure in return fuel line (max allowed)
0,2 bar
0,2 bar
Radiated heat
Radiated heat
26 kW
26 kW

STARTING SYSTEM

Electric starting system
12 D/SS
12 D/SS 1500
Power requirement
15 kW
15 kW
Starting battery voltage
24 V DC
24 V DC
Starting battery capacity (min)
300 A h
300 A h
Current consumption (max)
1500 A
1500 A
Current consumption at firing speed
650 A
650 A
Firing speed (min)
100 rpm
100 rpm
Batteries charger alternator
85 A
85 A
Compressed air starting

System Turbine type

Starting air pressure (min)
10 bar
10 bar
Air consumption per start
0,3 Nm3
0,3 Nm3
Air in cylinder type
Starting air pressure (min) -
40 bar
40 bar
Air consumption per start
0,3 Nm3
0,3 Nm3
Capacities
Coolant
80 l
80 l
Raw water
15 l
15 l
Engine lube oil (dry sump-recommended external tank)
125 l
125 l
ZF 1955 gearbox lube oil
23 l
23 l
ZF 2550 gearbox lube oil
28 l
28 l
CRM 7120 reversing gearbox lube oil
XX l
XX l
CRM IE-5 (dry sump-recommended external tank)
30 l
30 l
NON MAGNETIC features Max perturbation field 9 m below the crankshaft:
Standard construction
18 nT
18 nT
Special construction
16 nT
16 nT
With anti-dipole treatment
2 nT
2 nT