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Diesel Exhaust Fluid, or DEF, is a non-toxic, clear solution made up of purified water and 32.5% automotive-grade urea. It is neither flammable nor combustible. It is used as the reducing agent for SCR systems. Toxic NOx emissions are reduced into nitrogen, water, and carbon dioxide. 4

 Not a fuel additive.  Separate tank for DEF onboard truck – 23 gallon tank for over the road trucks.  Injection rate approx 3% for every gallon of diesel, or approx 300 miles for every gallon of DEF consumed. 5

 SCR is the onboard system on the vehicle. A complex system made up of the DEF tank, hoses/tubing, pumps, sensors, injectors…all computer controlled.  The computer constantly monitors the NOx emissions and adjusts the amount of DEF that gets injected into the exhaust stream. 6

 Truck has a DEF gauge, just like a fuel gauge.  If DEF solution gets too low and the driver doesn’t replenish, the NOx sensors will pick up the higher concentrations.  The computer will then inform the driver to replenish the DEF or perform maintenance….1000mi or 12hrs  7

PumpsMetersKits ACCommercialBasic Pump Kit DCRetailTote Kit AC-XPDrum Kit

115v AC & 12v DC Pump  Self-priming vane pump  8gpm  Superior construction & compatible materials  115v AC, 60Hz, or 12v DC  Motor cUL approved  Continuous Duty  Small, compact package  Made in America AVAILABLE NOW!

115/230v AC Explosion Proof Pump  Self-priming vane pump  cUL approved motor  Class 1, Group D for Hazardous Locations  Continuous Duty  Made in America AVAILABLE Q DEF Hand Pump & Air Pump AVAILABLE FEBRUARY 2010

DEF Meters – Commercial  Does not have to be weights & measures.  Ideal for commercial fleets where POS or weights and measures is not required  Sotera 825 meter currently being used in Europe for AdBlue and also for agricultural grade urea in the US.

DEF Meters – Retail Weights & measures approval required (NTEP) NTEP classifies DEF as a fertilizer – easier to get approvals Air eliminator & pulse capability Tuthill’s FPP stainless steel weights and measures meters NOW APPROVED!

DEF Kit Options – Basic Kit Basic pump kit package includes:  AC, DC, or XP pump  ¾” x 12’ Compatible hose with stainless fittings  Stainless steel nozzle  825 Commercial meter

DEF Kit Options – Tote Unit  AC, DC, or XP pump  ¾” x 12’ hose  Stainless steel nozzle  825 Commercial meter  Universal mounting plate to fit on various tote units or Tuthill’s optional drum stand  Nozzle holder  Hose retractor to keep hose off of ground  Fittings

Model Number KITFR55DU Optional 55 Gallon Drum Kit Universal Tote Unit (Sold Separately) 55 Gallon Drum (Not Included) Drum Tray 1/8” Steel Plate 600 lb. Weight Limit Detent Pins to Lock Tote Unit Into Place 4” Diameter Locking Casters “T” Bolts for Ease of Assembly/Disassembly Frame Construction 2” Diameter, 1/8” Steel Tubing Black Powder Coat Finish

Tuthill Transfer Systems – Developing Products Today For a Cleaner Tomorrow.