Hydraulic components need protection
1st Quarter 2014
Hydraulic systems & components
Good filtration needs to be an integral part of an hydraulic circuit to ensure long life and proper operation of the pumps, valves and motors. Hydraulic circuits are designed in all shapes and sizes, both simple and complex, and they all need protection from damaging contamination. If unfiltered, abrasive particles entering the system can damage sensitive components.
This illustration of a simple hydraulic valve shows how particles damage components. If a particle lodges between the spool and valve body, it will erode small flakes from the metal surfaces. As these flakes are moved back and forth by the action of the spool, they can roll into a burr that jams the spool and disables the valve.
Studies show that typically 70% of hydraulic component replacement is necessary because of surface degradation and most of this is due to mechanical wear. It is the job of the hydraulic filter to remove these particles from the oil flow to help prevent premature component wear and system failure; and as the sophistication of the hydraulic system increases, the need for reliable filtration protection becomes even more critical.
Proper filtration of hydraulic fluids can lengthen component life. Don’t cut costs by eliminating hydraulic filters. It could cost you more in the long run in major component repair.
For more information contact Taryn Ternent, Donaldson Filtration Solutions, +27 (0)11 997 6078, [email protected], www.donaldson.co.za
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