The Future of Fuel Filters - New fuel markets create need for enhanced fuel-filter performanceAudio version
Publication: PetrolPlaza Technology Corner
Issued: December 2010
Author: Gruca, Michael J., Champion Laboratories
At the most basic level, fuel-dispenser filters are designed to protect a fuel dispenser’s meter and an engine’s fuel system by removing a wide variety of contaminants such as rust, dirt, scale and other foreign materials from the fuel before they can enter the vehicle. Filters are designed either for a single purpose for example dirt (particulate) removal: or they can be designed for multiple functions such as filtering dirt, while also sensing the presence of water contamination which can be extremely damaging to engine operation. Being able to rely on a dispenser’s fuel filter is more important than ever as today’s demanding engines need more protection to keep vital engine components such as fuel injectors clean and functioning at the optimum level.
The most common type of dispenser fuel filter is the “spin-on” filter. They are called this because they “spin on and off” to make changing the filter for a new one, when the old one is full of the contamination it has filtered out, easier. The “spin-on” filter is mounted to a threaded base plate at a point that allows the fuel to pass through them before entering a vehicle’s fuel tank. A rubber sealing gasket creates a seal between filter and mounting base and keeps the fuel from leaking out, while a filtering media traps the contaminants before they can pass through to the vehicle.