Common Rail Pump Driver

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Controls fuel pressure/quantity of Bosch high pressure common rail pumps

Common Rail Pump Driver is actually a simulator that controls the high pressure valve or the fuel metering valve in Bosch Common Rail systems. It maintains a constant pressure in the system due to the feedback with the High Pressure Sensor signal.
It’s used in self-made test benches for testing all Common Rail solenoid and piezo injectors.
The Common Rail Pump Driver can drive two valves simultaneously: the high pressure valve and the fuel metering valve.