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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Denoxtronic: Urea dosing system for SCR systems

The DEF is filtered by a lifetime filter. Denoxtronic dosing control unit. Nitrogen oxides NO x are reduced in presence of oxygen. Please try again later.

Press releases and pictures Visit Bosch press portal. Differential pressure sensor Different application possibilities in the vehicle.

Privacy settings allow you to enable or dennoxtronic cookies. The Denoxtronic system supports the bosfh manufacturer to denoxtrinic current and upcoming emission regulations. Overview all system components. The Denoxtronic metering system injects diesel exhaust fluid DEFan aqueous urea solution of I have taken note of the denoxttronic statement. The urea is then converted via thermolysis and hydrolysis into ammonia. Denoxtronic dosing control unit For efficient exhaust-gas treatment.

Necessary cookies These cookies are necessary for the website. Press releases and images Visit Bosch press portal. Urea is highly soluble in water and can therefore be added to the exhaust gas in the fluid form of an easily metered urea-water.


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The main function of the supply module is to deliver the DEF from the tank to the dosing module via a precise solenoid membrane pump. These cookies are used to customize information and advertising to your interests based on the content you have visited before.

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. The supply module is welded on the tank bottom. The water-cooled dosing module is actively flushed with deenoxtronic. Many thanks for taking an interest in Bosch Mobility Solutions! Imprint Legal Privacy Bosch.

Differential pressure sensor With different application possibilities in the vehicle. Trade fairs and events Exchange ideas with our experts on site. Latest Bosch Mobility videos on Youtube Watch now. Urea dosing system for SCR systems. E Pressure sensor optional. Inthe first exhaust-gas treatment system for passenger cars went into production.

The system consists of supply and dosing modules in addition to the optional DCU. System components System overview.

Denoxtronic supply module

In automotive applications, this reducing agent is obtained from the carrier substance urea, NH 2 2 CO. Trade fairs and events Exchange ideas with our experts on site. Filter All system components Exhaust gas relevant components Exhaust gas sensors Exhaust-gas treatment. In order to restrict vehicle emissions, the emission limits are continuously being reduced worldwide. The Ednoxtronic has been developed for passenger-car and light-duty-vehicle applications.


The DEF level, temperature and concentration is detected by a level- temperature- and concentration sensor.

The dosing module serves to inject the diesel bosh fluid into the exhaust tract in compressed form. Operating principle of exhaust-gas treatment. Please activate cookies and refresh your browser. AdBlue is administered in the required quantity – precisely adjusted to the current operating status. Comfort cookies These cookies offer additional functionality or make the website easier to use.

Denoxtronic exhaust-gas treatment system

It sprays the required diesel exhaust fluid DEF into the exhaust system. Common-rail system with piezo injectors Diesel injection system CRS for a maximum pressure up to 2, bar. A Diesel exhaust fuel intake. This pump operated only on demand, when DEF should be injected into the exhaust aftertreatment system.

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