Blog - Prounit

About SCR system

The SCR system the exhaust gas after treatment system using urea solution. In European countries, since 2004, the environmental standard EURO 4, and since September 2009 EURO 5, designed to reduce the amount of emissions of harmful substances into the atmosphere to the level of: CH to 0.05 g/km, CO to 0.8 g/km, NOx to […]