The dosing module is part of the Bosch Denoxtronic system which contributes towards reducing the NOx emissions. It sprays the required diesel exhaust fluid (DEF) into the exhaust system. The System supports our customers for achieving current and upcoming emission regulations.
adaptable to exhaust layout.
in the vehicle
Operation possible at high temperatures
The dosing module serves to inject the diesel exhaust fluid into the exhaust tract in compressed form. The spray form can be adapted easily to the exhaust pipe. Sprays with different spray angles and flow rates allow the perfect distribution of ammonia in the SCR catalytic converter.
The hydraulic connection on the dosing module and the coolant connections can be aligned in different directions to make them easier to mount in narrow installation spaces on the engine.
Drag to rotate
The core task of the dosing module is the demand-based injection of diesel exhaust fluid into the exhaust train. A distinction is made between two variants. The water-cooled dosing module is actively flushed with coolant. This variant can withstand temperatures of up to 200 °C and is therefore suitable for mounting in the vicinity of the engine. The air-cooled variant of the dosing module is intended for installation on the underbody. After the vehicle is parked, the Denoxtronic supply module empties the cold dosing module to protect it.
Drag to rotate
The core task of the dosing module is the demand-based injection of diesel exhaust fluid into the exhaust manifold. A distinction is made between two variants. The water-cooled dosing module is actively flushed with coolant. This variant can withstand temperatures of up to 200 °C and is therefore suitable for mounting close to the engine. The air-cooled variant of the dosing module is intended for installation underfloor. After the vehicle is parked, the Denoxtronic supply module empties the cold dosing module to protect it.
Lifetime ( 1) for light commercial vehicles)
Max. ambient temperature
Operating pressure
DEF inlet temperature
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