Comprehensive Capabilities For over a century, Donaldson has been a pioneer in filtration technology, manufacturing and testing. In the tightly regulated markets, our research and development efforts have produced more efficient filters and filtration systems. Donaldson has in-house engineering expertise and is constantly investing in research and development to improve system designs and filtration technologies. Our technologies help protect critical applications from the damaging effects of particles and water in bio- fuel and other engine liquids. As equipment and technology advances, Donaldson continues to develop innovative solutions to anticipate and exceed evolving engine and fuel injector requirements. Filter Media Design and Development From traditional cellulose to synthetic, the development of proprietary filtration substrates is at the heart of every Donaldson filtration system. If our existing media formulation doesn't meet our customer’s specifications, our scientists use our in-house media development laboratory to design new formulations to meet those needs. Donaldson has many internally developed proprietary computer models which enable us to predict media performance for a given fiber mixture, initial pressure loss for filter elements of various configurations, and filter loading with many different contaminants.This enables us to quickly work through many design concepts to optimize the filtration system for a unique application.
Media CharacterizationTesting • Permeability • Tensile strength
In-House Media Mill • For application development • Trial media production runs • Development of proprietary formulations Filtration Performance Testing • Particle counting • Multi-pass testing
• Mullen burst • Basis weight • Pore size • Thickness • Gurley stiffness
• LEFS bench • 3-Point bend
4 • Engine Liquid Filtration
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