Control & Dosing Systems for SCR and Active Regeneration
The STT Emtec DEF Dosing System is a model based system for high accuracy dosing used in SCR systems. It consists of ECU, DEF Supply Pump, DEF Dosing Unit and Injection Nozzle. The system has been developed in house by STT Emtec after many years of experience in the field of exhaust aftertreatment.
The system is air assisted to achieve a superior atomization and spray quality and also allows for the system to be flushed clean upon shut down to avoid problematic DEF deposits. Both 32.5% and 40% DEF can be used and the system is available in several dosing ranges.
HC Dosing systems for active DPF regeneration are also available.