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Saturday, April 14, 2012

Diesel Exhaust Fluid (DEF) System

This is the first high-volume pickup truck application to use an all-plastic system to fill, store, and deliver diesel-exhaust fluid (DEF) to the exhaust system to meet stringent diesel-emissions requirements.  Multiple materials and molding processes are featured on this system, 90% of whose components are polymeric, including the plastic filler-pipe assembly (which requires no clamps), plastic supply module with integrated pump, reverting valve, pressure sensor, heater, and filtration unit.  Additional plastic components in the system include heated intake reservoir (with integral heater), level sensor, filter, and temperature sensor.  The only other material that could have withstood the DEF fluid is stainless steel, which would have been 7x heavier and cost 40% more.

Ford Motor Co.
2011 Ford Superduty Diesel
System Supplier
Robert Bosch LLC
Material Processor
Kautex Textron GmbH & Co.

For More Information See: http://www.plastics-car.com/Todays-Automobiles/Car-Fuel-Systems

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