Technical Reference
Materials and Design Characteristics Donaldson filters are designed for durability, reliable performance and consistent quality. The same filtration technology and expertise you’ve come to expect from Donaldson air filters is in every liquid filter we design and manufacture.
Gaskets
• Designed to withstand the unique chemical properties of fuel, lube oil and coolant fluids
Baffle Plate
• Tapered profile makes
installation easy, almost no chance of cross-threading
Inner Seals
Seam
• Critical seal
• Fully tucked seams for added strength and durability
between thread plate and filter cartridge • Donaldson filters
use a molded elastomer seal
Filter Cartridge
• Donaldson has design and manufacturing experience with both metal (traditional)
Housing Can
and metal-free cartridge filters
• Heavy-duty coated shell, rounded dome and corner radius for superior fatigue performance
Filter Media
• Over 35
different media formulations designed to meet or exceed application requirements
CenterTube Liner
Inner Spring
• Louvered center tube and spiral lock seam design allows more flow area with greater collapse strength • The louvers all face the center of the filter, keeping the media side surface smooth, which eliminates pleat tip wear
• Our heavy duty coil spring seals the grommet between baffle plate and underside of the filter
Engine Liquid Filtration • 51
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