Clean Fuel Solutions's, a division of Donaldson Company, Inc., technical article on how to use water absorbing filters in a bulk fuel filtration system details water absorber technology, proper installation methods and the dangers of free water to equipment’s fuel systems.
Water in fuel, or “free water,” can prematurely wear and oxidize the steel components within a high-pressure common-rail (HPCR) fuel system. Free water can contaminate fuel by collecting at the bottom of fuel storage tank and then getting pumped into the vehicle with the fuel.
"Free water is probably the single biggest cause of fuel system failure," said Scott Grossbauer, Global Director, Donaldson Clean Fuel Solutions. "Engine manufacturers require that zero free water reaches the HPCR fuel system, which often means that water in the fuel can lead to denied warranty claims. Additionally, the elimination of water will reduce rust, corrosion, wear, fuel degradation and other damage. More than ever, it's vital that diesel stays clean and dry."
The article, which was posted on www.MyCleanDiesel.com, reveals how regular (particulate) filters and water absorbers do two distinct jobs: the former removes hard particulate from fluids while the latter removes free water.
These two types of filters must be used in series: first the fluid passes through the particulate filter and is cleaned, and then the fluid moves through the water absorber for free-water removal. The paper also addresses diesel fuel challenges faced by owners of modern engines, water absorber technology and benefits, and instructions for water absorbing filters installation and use.