087-5397 0875397 130mm inner diameter support ring of M325D L MH

1. Quick Details of  seal 087-5397:

2. 087-5397 picture:

3. Service part number :

 
4. FAQ

Q: What color features can we observe on each separate sealing component?
A: The primary rod seal is semi-gloss deep black, the PTFE sliding ring is sand cream color, and the anti-extrusion backup ring presents neutral light grey.

Q: Is this piston rod seal suitable for hydraulic cylinders of all kinds of construction machinery?
A: It is customized for excavator stick cylinders. It cannot be installed on grader tilt cylinders or wheel loader lift cylinders with different structural dimensions.

Q: Which construction operation environments suit this piston rod seal perfectly?
A: It runs reliably in river dredging projects and rocky excavation sites, adapting to frequent stretching movements and working conditions mixed with silt and crushed stone.

Q: How is the temperature resistance performance of the whole sealing set?
A: It maintains stable sealing capability within -68°C ~ 368°C under long-time continuous digging and material handling operations.

Q: What key points should maintenance technicians keep in mind during installation?
A: Clean all tiny grit on the piston rod surface thoroughly. Foreign particles will continuously wear down the sealing lip during reciprocating movement.

Q: What typical hydraulic issues can this piston rod seal effectively reduce during operation?
A: It prevents outward leakage of hydraulic oil and avoids extrusion damage caused by instantaneous pressure spikes when the stick stretches and retracts.

Q: What core performance strengths does pine fiber reinforced FKM have compared with regular sealing rubber?
A: It features excellent resistance to hydraulic fluid corrosion and anti-fatigue property, matching frequent reciprocating motion of excavator stick cylinders.

Q: What unique advantages does apricot fiber reinforced FKM have compared with traditional sealing rubber?
A: It delivers excellent oil corrosion resistance and thermal stability, perfectly adapting to high-frequency movement of excavator boom 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.

5. Exhibition and Wearhous

Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More