CPCB-IV+▪ NOx Reduction
Urea SCR System
High-power urea SCR platform for gensets and industrial engines: DOC, DPF, decomposition mixer, SCR and ammonia-slip catalyst with closed-loop AUS 32 dosing.
Where it is used
- DG sets and gensets
- Industrial diesel engines
- Construction and mining equipment
- OEM engine programmes
Key specifications
- Engine power or size
- 75–800 kW
- Emission norm
- CPCB-IV+
- NOx Conversion
- ≥95% @ rated power
- Operating Window
- Wide working window
- AUS 32 Consumption
- Low, closed-loop dosing
- Durability
- 10,000 h / 5 years
System Architecture
- Oxidation Catalyst
- Precious-metal DOC, upstream conditioning
- Reductant
- AUS 32 via pump module and injector
- SCR Catalyst
- Matched to the exhaust temperature window, with ammonia-slip catalyst
- Sensors
- NOx up/down, T, ΔP, O₂
Control & Diagnostics
- Controller
- Aftertreatment controller, closed-loop dosing
- Interface
- CAN J1939 / PWM
- Protection
- Purge and anti-crystallisation
- Diagnostics
- OBD fault detection and alerts