Seal for Piston Rod

The piston rod has a one-way actuation seal ring consisting of an anti-wear filled PTFE ring and an O-ring rubber seal ring. The O-ring provides elasticity, compensates for the wear on the PTFE step rings, and has a one-way sealing effect. Suitable for sealing the piston rod of a hydraulic cylinder. A guide ring is generally used. If the axle diameter is less than φ30, the split groove shall be adopted.