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The rod seal is the seal in the hydraulic cylinder with the most demanding requirement specifications. In addition to normal wear and aging, this seal is directly affected by changes on the rod surface.
The rod seal is often the decisive factor for the function of the hydraulic cylinder in its entirety. Leakage through the rod seal can in some cases cause accidents and environmental damages. Therefore, it is of significant importance to make the correct choice of rod seal and not the least, to be familiar with the properties of other existing seal types.