A major component of moder SCR (Selective Catalytic Reduction) systems is the Bosch Denoxtronic reduction agent metering system. It reduces nitrogen oxides. Bosch’s Denoxtronic is an efficient solution for meeting Tier 3 requirements and above. It injects AdBlue, a solution of percent urea in. Bosch components. Dosing control unit DCU/ electronic engine control unit MDG1. Optional with MDG1: heater control unit HCU-PC. Optional with MDG1.

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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.

Denoxtronic Exhaust-gas treatment to cut NOx-emissions – Bosch Media Service

The System supports our customers for achieving current and upcoming emission regulations. 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.

The air-cooled variant of the dosing module is intended denoxfronic installation on the underbody. After the vehicle is parked, the Denoxtronic supply module empties the cold dosing module to protect it. The core task of the dosing module is the demand-based injection of denoxfronic exhaust fluid into the exhaust manifold.


Denoxtronic: Urea dosing system for SCR systems

The air-cooled variant of the dosing module is intended for installation underfloor. 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 renoxtronic dosing module and the coolant connections can be aligned in different directions to make them denotxronic to mount in narrow installation spaces on the engine.

Denoxtronic supply module

Contribution to achieve current and future emission targets The multiple spray variant of the dosing module support optimized performance for a wide variety of exhaust layouts. High variance of hydraulic connector possibilities to install the watercooled dosing module in narrow installation spaces The DEF inlet can be manufactured out of plastic or boscb steel, to cope denoxtroic high side load forces. Many thanks for taking an interest in Bosch Mobility Solutions!


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Denoxtronic ­exhaust-gas ­treatment system

Structure of the diesel exhaust fluid dosing module air-cooled. A Diesel exhaust fuel intake. C Cooling adapter for passive air cooling. Structure of the diesel exhaust fluid dosing module water-cooled. A Diesel exhaust fluid inlet.

D Active water cooling. Electronically controlled atomization of diesel exhaust fluid in the exhaust train. Lifetime 1 for light commercial vehicles.

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Press releases and pictures Visit bosch press portal. Denoxtronic supply module For efficient denotronic treatment. Denoxtronic dosing control unit For efficient exhaust-gas treatment.

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