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Cummins Emissions Solutions showcases new urea dosing system

LOUISVILLE, Ky. -- Cummins Emission Solutions is showcasing at the Mid-America Trucking Show, a new urea dosing system it says can improve performance of the selective catalytic reduction (SCR) system in cold weather.


LOUISVILLE, Ky. — Cummins Emission Solutions is showcasing at the Mid-America Trucking Show, a new urea dosing system it says can improve performance of the selective catalytic reduction (SCR) system in cold weather.

The EcoFit UL2 liquid-only urea dosing system features a proprietary spray nozzle, which is different than other liquid-only systems currently available, the company announced.

The system features freeze-robust components, allowing for pump-primping and the prevention of crystallization throughout the unit. The new system was developed through an acquisition of Hilite International’s SCR division in July, 2012, Cummins Emission Solutions said.

“The acquisition gave Cummins Emission Solutions the opportunity to quickly expand its portfolio of engineered components with a proven urea dosing technology,” said Zach Gillen, general manager, engineered components at Cummins Emission Solutions. “And we believe the combination of Cummins system integration expertise, coupled with Hilite’s SCR component expertise, will allow us to better serve customers throughout the world.”

The spray nozzle allows for optimized flow rates and spray cone angles and the doser features temperature and pressure sensors at the point of injection. Its dosing strategy provides improved NOx conversion efficiency rates through urea droplet sizes the company says are unmatched by competitive airless systems. This means it’s less likely that urea droplets will form in the decomposition reactor. With its freeze robustness, urea can remain in the system at all times, even during freeze events, the company announced. The benefits include: elimination of crystallization and clogging, elimination of the need for power at key-off for purging, quicker dosing at key-on and prevention of damage resulting from power interruption of the vehicle.

The new system is being shown at the Mid-America Trucking Show this week.


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