New DEF filter from Clean Solutions

Clean Solutions DEF FilterClean Solutions, a division of Donaldson Company, Inc., introduces a new solution to deliver clean diesel exhaust fluid (DEF) to protect selective catalytic reduction (SCR) systems on vehicles and equipment.

Donaldson says the Clean DEF filter helps maintain DEF quality to industry standards to avoid expensive repairs, downtime and possible voiding of warranty by removing harmful particulate and preventing plugged dosing valves on the SCR system.

“Today’s SCR systems require clean DEF for precise dosing and complete atomization to occur,” says Scott Grossbauer, global director – Donaldson Clean Fuel and Lubricant Solutions. “Without clean DEF, the SCR cannot do its job of transforming NOx (the oxides of nitrogen in exhaust) into harmless nitrogen and water. And, if DEF is not filtered, urea crystals and other contaminants picked up during storage and handling can cause the SCR system to malfunction, possibly resulting in system failure.”

According to Donaldson, its new DEF filter removes harmful particulate and prevents clogged dosing valves, thereby ensuring the proper function of the SCR. This also extends the life of the onboard DEF filter, which prevents unplanned downtime.

Donaldson says other features of the filter include:

  • High efficiency filtration of 1 micron at beta 5000
  • Heavy-duty, fully compatible stainless steel material construction—inside and out
  • Precise high-tech internal seal to prevent contamination on clean side
  • High maximum working pressure of 300 psi
  • Integrated gauge/sample ports

“Any number of things can cause DEF contamination,” adds Grossbauer. “For peace of mind, the best solution is to provide proper filtration at the bulk DEF tank, before it is pumped into your vehicle or equipment. That way your SCR system is able to function as intended and properly reduce harmful NOx.”

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