How Processors Work |
Every DAVCO Fuel Processor is a combination of important features to provide processed fuel to your engine. More than a simple filter, a Processor makes the filter work better and last longer while it also strips water from the fuel.
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Seeing is Believing |
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Clicking on the image to the left will bring up a pop-up window containing a user-controlled slide show of our "Seeing Is Believing®" technology. It explains the technology step-by-step and even includes information on how to perform a maintenance check. |
Fuel is filtered in a special way in a Fuel Processor. On a new filter, fuel only climbs a short way up the filter before it goes through the filter media. As dirt plugs the small holes in the filter, the fuel is forced to climb even higher to find clean filter media. When all the filter media has been clogged with dirt, the fuel will rise to the very top of the filter. It is easy to see when the filter needs replacement in a Fuel Processor. It's a matter of "Seeing Is Believing®".
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Water Separation |
Fuel enters the Fuel Processor below the filter where most of the trapped water is easily removed.
The fuel then rises into the filter chamber where any remaining water is repelled by the filter. The water, heavier than the fuel, falls into the bottom collection chamber of the Fuel Processor.
When fuel enters the Fuel Processor, heavy dirt (as well as water) falls to the bottom of the collection chamber. This makes for longer filter life and for easy removal of the collected dirt and water.
Each time the engine is shut off, loose dirt on the filter surface falls away to drop to the collection chamber. Naturally, this extends the life of the filter even more.
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Fuel Heating Options |
A fuel heater is an option in any Fuel Processor. For those operating in cold climates, preventing fuel waxing from clogging filters is the only way to keep an engine running. DAVCO's optional fuel heaters stop wax from forming before it can clog filters. A thermostat valve controls heated engine coolant, or warm return fuel, to heat the cold incoming fuel. The heater, buried in fuel, wastes no heat to cold outside air. Wax free fuel flows directly to the filter to keep engines running. In hot weather the thermostat valve shuts off to keep fuel at its optimum temperature in the Processor.
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Fuel Pre-heating Options |
Cold weather start up, for any diesel engine, is a "hope it will" proposition. DAVCO Fuel Processor Filter Pre-heaters make it a "sure will" situation. By warming a vital pool of fuel right below the filter before starting the engine, wax and fuel gel are gone and engines start easily. DAVCO Pre-heaters are available in 12 and 24 volt DC types and in an "overnight" 120 volt AC model. Naturally these heaters are intended as aids to starting and NOT as full-time fuel heating devices.
Biodiesel Note: The use of tank heaters and fuel line heaters may also be required when using more than 20% biodiesel blend.
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