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SCR Fill Limit Valve

Eaton's urea tank valves for Selective Catalytic Reduction (SCR) system controls allow customers to meet strict emissions requirements for urea-based Diesel Exhaust Fluids (DEF). Our valves maximize tank capacity and optimize venting strategies. Eaton's SCR Fill Limit Valve controls tank ventilation until maximum fill volume is reached. 

Reliable Refueling
Spit-back prevention and vent path closures at end of fill
Improved Tank Safety
Long-term venting, pressure relief and liquid carryover


  • Configurable shut-off heights
  • Quick-connect or barbed port styles 
  • Externally mounted
  • Prevents Diesel Exhaust Fluid (DEF) escape

Engineering Capabilities

Eaton's world class engineering and design expertise are leading the way in developing innovative and highly efficient fuel emissions controls. Dedication to system optimization has achieved a quality control rating of less than 2 PPM (parts per million).