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Benefits
• Low emission of nitrous oxides
• Optimized fuel consumption
• Compact design
• Highly integratable with "One Box" system (i.e. sensors and electrical wiring harnesses included in the
scope of supply)
• Inherent exhaust noise attenuation
• Plug & play
• Insulation of the entire exhaust gas aftertreatment system
Function
The SCR system (1) is designed to mix NH
with the exhaust gas and distribute the exhaust gas evenly over
3
the substrate to best advantage.
The SCR system incorporates the reducing agent dosing units (2), the mixing duct (7) and the SCR (4) and
ASC (5) catalysts. The reducing agent injected into the mixing duct is mixed with the exhaust gas to produce
ammonia.
Nitrous oxides are converted largely into nitrogen and water vapor in the SCR catalyst (4) with the help of the
ammonia.
78 | SCR System | MS15065/01E 2019-01
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