4.3.4 RA Dosing System
4.3.4.1 RA dosing system – Overview
RA dosing system
1 Reducing agent loop
2 Dosing unit
3 Supply unit
4 Pre-feed module
5 RA tank (optional)
The RA dosing system comprises a pre-feed module (PFM) (4), supply units (SU) (3), dosing units (DU) (2) and
a reducing agent loop (1).
The RA tank (5) is supplied by the customer or by MTU as an option.
Technology
• Pre-feed module (PFM)
• Supply units (SU)
• Dosing units (DU)
• Loop
• Supply and return line
• Tank system (supplied by the customer or by MTU as an option)
• Heated RA dosing system
Benefits
• "airless"Airless system for RA dosing and DU cooling
• Plug & play
Function
"airless”The RA dosing system is an airless system, i.e. RA is dosing and DU (2) cooling are realized without
the use of compressed air. The DUs (2) are cooled by circulating RA regardless of the dosing rate.
MS15065/01E 2019-01
| RA Dosing System | 79
TIM-ID: 0000072370 - 001
