RSR® Seal

Greene Tweed’s RSR™ rod or piston seal features a specially engineered elastomer profile that provides exceptional “dry rod” sealing under dynamic conditions. The RSR’s™ endless, trapezoidal, wedge-shaped backup ring has an exceptionally wide shear section to ensure excellent resistance to extrusion. In addition, the backup ring’s shape generates a force vector under pressure, thereby eliminating the extrusion gap. The result: very low leakage and fewer sealing problems. The RSR™ seal excels in brake applications where the trapezoidal shape provides a natural pull back on the brake piston, therefore making piston design less complicated.