LI2 Common rail injector

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.
Gallery loading.
Pressure 250 - 2,200 bar
Control leakage/injector < 30 ml/min at 2,200 bar
Service life off-highway 7,500 h (B10)
Injector configuration side feed / top feed

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product datasheet (PDF, 107.8 KB)
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
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
Variants

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Combustion engines by Liebherr are distinguished by their high level of performance. They also impress with efficient fuel consumption. Impressive combustion engines

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