9J-5860 9J5860 152.4 mm outer diameter plastic piston guide of 231D 225B 225D

1. Quick Details of  seal 9J-5860:

2. 9J-5860 picture:

3. Service part number :

4. FAQ

Q: Does this wear ring adopt split opening design?
A: Yes, it features single oblique split cut for convenient field assembly. Seamless integral type can be customized for special installation requirements.

Q: What are the two main functions of this component during machine operation?
A: It supports and guides piston movement, reduces metal‑to‑metal friction, and assists to limit hydraulic oil cross‑leakage across piston.

Q: Can this composite ring sustain heavy side thrust under frequent excavator digging cycles?
A: The fabric‑filled structure bears radial side load well and avoids direct metal contact between piston and cylinder tube.

Q: Are these piston seal rings processed according to standard cylinder bore dimensional tolerance?
A: Every piece is precision machined to match standard piston groove dimension for heavy‑duty excavator hydraulic assemblies.

Q: Will continuous reciprocating piston motion produce fast abrasion on this ring surface?
A: Modified phenolic formula lowers friction coefficient, slowing surface wear under long‑time back‑and‑forth piston strokes.

Q: Does this guiding ring need to cooperate with other piston sealing elements?
A: It works as guiding backup part; matching main piston seals are still required to achieve complete pressure‑holding effect.

Q: What storage suggestions do you offer for these PTFE sealing accessories?
A: Keep goods in cool, dry warehouse. Avoid persistent high temperature and long-time ultraviolet radiation to slow material aging.

Q: What engineering projects commonly require replacement of this piston seal ring?
A: It serves routine maintenance of hydraulic cylinder piston sealing assemblies on medium crawler excavators, widely used in urban infrastructure, highway subgrade construction, small quarry loading and residential foundation excavation projects.

5. Exhibition and Wearhous

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