A seal is a ring captured in a groove to control fluid leakage

The O-Ring's design lends itself to a multitude of sealing uses including static and dynamic applications at low speed and low pressure, rotary and oscillating applications.

RT/Dygert can produce complex designs for complex problems.

RT/Dygert International provides quality hydraulic & pneumatic seals, custom molded and machined elastomeric and thermoplastic parts, related products and support services. Our global resources include office warehouses in Edina, MN and Niles, IL. In Shanghai, China our sales office and warehouse provides support for our customers' seal requirements in Asia.