170-9850 1709850 129 mm inner diameter buffer seal of MH 330B L 365C 568 FM LL

1. Quick Details of  seal 170-9850:

2. 170-9850 picture:

3. Service part number :

 
4. FAQ

Q: What color features can we distinguish on each sealing component?
A: The main rod seal is semi-matte black, the PTFE sliding ring is creamy white, and the anti-extrusion backup ring displays pale silver grey.

Q: Can this piston rod seal be installed on hydraulic cylinders of other construction machinery?
A: It is specially manufactured for excavator bucket cylinders. It cannot fit grader tilt cylinders or bulldozer lift cylinders with different structural sizes.

Q: What kinds of construction sites are suitable for this piston rod seal?
A: It runs reliably at river dredging sites and quarry worksites, adapting to frequent bucket shoveling movement and environments mixed with mud and gravel.

Q: How is the temperature resistance performance of the whole sealing assembly?
A: It maintains stable sealing performance between -70°C and 371°C under continuous high-frequency digging operation of excavators.

Q: Which operation points should maintenance workers pay attention to during installation?
A: Prevent sharp edges of cylinder parts from scratching the sealing lip. Minor scratches will slowly cause hydraulic oil leakage after equipment operation.

Q: What frequent hydraulic issues can this piston rod seal effectively reduce?
A: It controls external hydraulic oil leakage and avoids permanent extrusion deformation caused by instantaneous pressure surge during digging.

Q: What performance advantages does linden fiber reinforced HNBR have compared with ordinary rubber?
A: It features outstanding impact abrasion resistance and stable elasticity, adapting to frequent stretching and retracting of excavator bucket cylinders.

Q: What practical efficiency benefits can on-site excavator maintenance staff gain from using this fully pre-matched rod seal kit?
A: All supporting sealing accessories required for rod overhaul are pre-assembled into one complete set without separate procurement. Technicians do not need to carry scattered loose seals or repeatedly measure rod groove dimensions on site, greatly shortening cylinder repair time.

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