| Model: | - |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Industrial Supplies / Machinery / Power & Generating Sets |
| Label: | Gas Generator |
| Price: |
US $10
/ pc
|
| Min. Order: | 1 pc |
| Live Chat: | Last Online:27 Sep, 2013 |
Specifications
We are the general agent of MAN in China,can supply all products of MAN.
|
MAN L21/31 Marine diesel engine |
|||||
| Bore:210mm,Stroke:310mm | |||||
| Speed
mep |
r/min
bar |
100
24.1 kW |
|||
| 6L21/31 | 1,290 | ||||
| 7L21/31 | 1,505 | ||||
| 8L21/31 | 1,720 | ||||
| 9L21/31 | 1,935 | ||||
| Specific Fuel Oil Consumption(SFOC)to ISO conditions | |||||
| MCR 100% 85% | |||||
| L21/31 195g/kWh 189g/kWh | |||||
| Specific lube oil consumption 0.8g/kWh | |||||
| Dimensions | |||||
| Cyl.No. | 6 | 7 | 8 | 9 | |
| L | mm | 4,225 | 4,580 | 4,935 | 5,290 |
| L1 | mm | 3,285 | 3,640 | 3,995 | 4,350 |
| H | mm | 3,115 | 3,115 | 3,267 | 3,267 |
| W | mm | 1,695 | 1,695 | 1,820 | 1,820 |
| Dry mass | t | 16.0 | 17.5 | 19.0 | 20.5 |
| Minimum centreline distance for twim engine
installation:2,400mm |
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| Main Data | ||
| Number of cylinder | 6,7,8,9 | |
| Rated power(MCR) | kW/cyl | 215 |
| Rated speed | rpm | 1000 |
| Idle speed | rpm | 600 |
| Bore | mm | 210 |
| Stroke | mm | 310 |
| Stroke/bore ratio | 1.5 | |
| Cylinder distance | mm | 355 |
| Mean piston speed | m/s | 10.3 |
| Mean eff.Pressure(MEP) | bar | 24.1 |
| Compression ratio | 15.5 | |
| Displacement/cylinder | L | 10.7 |
| Max.combustion pressure | bar | 200 |
| Fuel oil acceptance | MGO,MDO,HFO | |
| Injection viscosity | cSt | Max 14 |
| Lubricating oil | Grade | SAE 40 |
| ISO ambient conditions Tolerance 5% | ||
| Fuel oil with lower calorific value of 42700 kJ/kg | ||
| Without engine-driven pumps | ||
| Addition for engine-driven pumps | ||
| 1.5%(3g/kWh)for lubricating oil pump | ||
| 0.7%(1.4g/kWh)for each water pump | ||
| For guidance only | ||