Series 12М33
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Gas piston engine model |
Nominal rotation speed, min-1 |
Engine power |
Generator power |
Boost type |
Control type |
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Prime Power (PRP), kW |
Emergency Power (COP), kW |
Prime Power (PRP) |
Continuous Power (COP) |
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kW |
kVA |
kW |
kVA |
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12M33G4N0/5 |
1500 |
690 |
587 |
640 |
800 |
520 |
650 |
T/Water-V |
ECU |
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12M33G10N0/5 |
1500 |
900 |
765 |
800 |
1000 |
700 |
870 |
T/Vod-V |
ECU |
Designation: T/Vod-V = Turbocharger / CVD type "Water-Air".
Standard equipment
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Cylinder block and piston group |
Air supply and exhaust systems |
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Cast iron cylinder block. Inspection hatches for servicing each cylinder. Power structure of the crankcase/oil pan. Flywheel housing with additional space for installing a barring device. Individual cylinder heads. 4 valves per 1 cylinder. Forged crankshaft made of hardened steel with induction hardened main journals, connecting rod journals and fillets. Lightweight pistons with cooling and high-quality piston rings. |
Overhead turbochargers optimized for the generator set. Air filters with clogging indicators. Thermal insulation of turbochargers, exhaust manifolds and pipes. Fuel system The engine runs on a lean fuel mixture. External mixture formation in the mixer. Electronic control system. Natural gas is used as fuel. Gas line included (without certificates). Electrical system Electric starter 24V. Charging generator 55A. Set of basic sensors. Flywheel housing and flywheel SAE 0 flywheel housing and 18” flywheel. |
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Cooling system |
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Cooling system with belt drive of coolant pumps. Engines are supplied without a cooling unit. |
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Lubrication system |
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Full-flow fine oil filters with bypass valve. Water-oil heat exchangers. Centrifugal oil filters. |
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Diesel engine model |
Nominal speed Min-1 |
«L» Length*, mm |
«W» Width*, mm |
"N" Height*, mm |
"Dry" Weight, kg |
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12M33G4N0/5 |
1500 |
2200 |
1500 |
1750 |
3400 |
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12M33G10N0/5 |
1500 |
2200 |
1500 |
1750 |
3400 |
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Continuous Power (COP) |
Prime Power (PRP) |
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Continuous Power is the maximum power of the generating set when operating at a constant load without limitation of operating time per year with maintenance intervals in accordance with the manufacturer's instructions. |
Prime power is the maximum power of the generating set when operating on a variable load without limitation of operating time during the year with maintenance intervals. For continuous operation over 24 hours, the average permissible power shall not exceed 70% of the prime power (PRP). When determining the average actual power variable power values that are less than 30% of the prime power are taken equal to 30%, and downtime is not taken into account.
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Maintenance Scheduled maintenance every 750 engine hours. Extension of the service interval by oil analysis. Operating time before major repairs is not less than 42,000 engine hours. Engine life, taking into account three major repairs, is not less than 168,000 engine hours.
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Standard fuel gas parameters |
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Net heating value |
＞ |
36 |
MJ/m³ |
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Methane content |
＞ |
80 |
% |
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Rate of pressure change |
≤ |
1 |
kPa/min |
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Hydrogen sulfide content |
≤ |
20 |
mg/Nm³ |
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Content of mechanical impurities |
≤ |
30 |
mg/Nm³ |
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Content of ammonia |
≤ |
20 |
mg/Nm³ |
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Resin content |
≤ |
50 |
mg/m³ |
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Water vapor concentration |
≤ |
20 |
mg/Nm³ |
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Methane number |
＞ |
80 |
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