<p>Hydraulic U-Cup rod seal: Zurcon&reg; U-Cup RU9 is featured in this video.With exceptional hydraulic sealing characteristics, the Zurcon&reg; U-Cup RU9 provides the best life insurance for your machinery. The optimum solution for mobile and industrial hydraulic applications, the seal has a high sealing effect. Typical applications include earth moving machinery, agricultural equipment, and construction machinery.</p>