Vision: Zero Emissions

Our expertise areas

Innovators, engineers and problem solvers – that's what we are. Above all, we are fellow human beings, and partners to our customers. Together, we combat climate change and air pollution – with modular test solutions and off-road machinery systems and components for engine, machine, and vehicle industries.

 

OEM Emission Control

Your key to success: prepare for future emission standards and keep your machines energy efficient. Agile, innovative with high quality – with us.

 
Uutta sisältää.

Retrofit Emission ­Control

Improve local air quality rapidly and cost-effectively. Retrofit your machines, buses, coaches, trucks, and vans. When the goal is to cut the emissions down.

 

Test Solutions

Modularity is the way we build the test cells and centers. Whether it´s climatic testing or abuse testing of batteries, performance and lifetime testing of battery cells or testing of hydrogen fuel cells.

 Thermal Components

Thermal Components

When temperature matters, we provide high-performance and innovative insulation solutions for demanding engine applications. Any quantities.

 Electric Powertrain

Batteries

Take a major step towards zero emissions with Proventia Batteries. It´s about developing high-power batteries for hybrid and electric  off-road machinery.

Blog

Our engineers in action! They create bold solutions towards a low-carbon and zero-emissions future. Join us and see how our experts make it happen.

Releases


    Proventia launches DEF Mixing Unit for eliminating urea deposits in exhaust pipes when using SCR technology
     

     

    Proventia  has developed a DEF Mixing Unit (patent pending) for eliminating urea deposits in exhaust pipelines when using SCR technology in off-road machines. When SCR process uses DEF, it can cause urea deposits in exhaust pipes, especially in off-road applications using airless DEF injectors.  Larger DEF spray droplets might lead to wall wetting and film formation on exhaust pipe inner surfaces, causing deposits when the local temperatures are low.

    Urea deposit problems have become frequent and critical, considering that Stage 3B/ Tier 4 interim regulations require cold and hot NRTC cycles. Proventia’s  DEF Mixing Unit keeps pipelines clean by evenly distributing  NH3 (gamma→0.95)  in the shortest possible pipe length and avoiding this way the wall wetting and film formation. 

    The technology is also suitable for Tier 4 final exhaust systems, where NOx reduction target is →95%. Proventia DEF Mixing Unit helps water evaporation from DEF and ensures optimal reactions with Ammonia with no unwanted side effects.  Proventia DEF Mixing Unit can be used with all urea dozers to achieve even NH3 distribution within the exhaust gas. The greatest benefit is experienced with airless injectors, which have rather large SMD (Sauter Mean Diameter) and when the injection must start at low temperatures. 

    Proventia has extensively tested its DEF mixing technology in worst case conditions with no sign of wall wetting or urea deposits.

See all releases

News


    Proventia launches DEF Mixing Unit for eliminating urea deposits in exhaust pipes when using SCR technology
     

     

    Proventia  has developed a DEF Mixing Unit (patent pending) for eliminating urea deposits in exhaust pipelines when using SCR technology in off-road machines. When SCR process uses DEF, it can cause urea deposits in exhaust pipes, especially in off-road applications using airless DEF injectors.  Larger DEF spray droplets might lead to wall wetting and film formation on exhaust pipe inner surfaces, causing deposits when the local temperatures are low.

    Urea deposit problems have become frequent and critical, considering that Stage 3B/ Tier 4 interim regulations require cold and hot NRTC cycles. Proventia’s  DEF Mixing Unit keeps pipelines clean by evenly distributing  NH3 (gamma→0.95)  in the shortest possible pipe length and avoiding this way the wall wetting and film formation. 

    The technology is also suitable for Tier 4 final exhaust systems, where NOx reduction target is →95%. Proventia DEF Mixing Unit helps water evaporation from DEF and ensures optimal reactions with Ammonia with no unwanted side effects.  Proventia DEF Mixing Unit can be used with all urea dozers to achieve even NH3 distribution within the exhaust gas. The greatest benefit is experienced with airless injectors, which have rather large SMD (Sauter Mean Diameter) and when the injection must start at low temperatures. 

    Proventia has extensively tested its DEF mixing technology in worst case conditions with no sign of wall wetting or urea deposits.

See all news