Components
Common rail injector
Highlights
Liebherr engineers used solid materials and a flat-seat control valve in the design of the LI2 common rail injector. The resulting injector is particularly robust against aggressive fuels and thus ideally suited for demanding use in off-highway applications. The permanently leak-free injector is tuned to minimal control leakage and is thus very efficient despite low fuel consumption. Two different nozzle diameters (7 and 9 mm) and different housing sizes are available for the LI2 injector. The function-related micro-precision parts are produced in-house and so the injector is custom-adapted to the needs of each customer and application.
Pressure - 250 - 2,200 bar
250 - 2,200 bar
Control leakage/injector - < 30 ml/min at 2,200 bar
< 30 ml/min at 2,200 bar
Service life off-highway - 7,500 h (B10)
7,500 h (B10)
Injector configuration - side feed / top feed
side feed / top feed
Photo gallery
Technical data
| Pressure | 250 - 2,200 bar |
| Number of injections | 5 |
| Min. injection separation | 250 µs |
| Control leakage/injector | < 30 ml/min at 2,200 bar |
| Injector configuration | side feed / top feed |
| Weight | 0.450 kg |
| Service life on-highway | 1.60 Mil km |
| Service life off-highway | 7,500 h (B10) |
| No. of holes | 6 - 10 |
| K-factor | 0.0 - 2.5 |
| HE factor | 10 - 35 % |
| Ambient temperature | -30 to 125 °C |
| Vibration specification | ISO 10816-6 / VDI 3838 |
Variants
| Nozzle diameter | 7 mm | 9 mm |
|---|---|---|
| Nozzle flow | 600 - 1,300 ml/30 sek | 1,400 - 2,600 ml/30 sek |
| Max. power per engine cylinder (kW/cyl.) | 85 | 145 |
| Injection quantity (mg) | 370 mg | 600 mg |
