087-5391 0875391 Pressure reducing valve support ring of 5080 385C 5090B

1. Quick Details of  seal 087-5391:

2.  087-5391 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 core function does this piston seal ring undertake inside hydraulic cylinders?
A: It guides piston movement, bears lateral force and prevents metal contact, lowering abrasion on cylinder inner wall and sealing components.

Q: What working pressure environment fits reinforced nylon guiding ring?
A: It works reliably under medium pressure hydraulic systems. Graphite filled PTFE performs better under continuous high-pressure working conditions.

Q: Can this accessory keep stable performance during long reciprocating cycles?
A: Definitely. Reinforced nylon balances hardness and toughness, maintaining steady operation under repeated cyclic movement.

Q: Can you supply individual pieces or complete hydraulic seal overhaul kits?
A: Single loose pieces are available for sale, and we can match various sealing spare parts into complete maintenance kits.

Q: Can you provide separate single pieces or matched hydraulic seal overhaul kits?
A: Loose single-piece supply is available, and we can assemble various matching sealing spare parts into complete maintenance kits.

Q: Are these goods sold separately or assembled into repair kits?
A: Single-piece supply is supported, and we can combine different sealing accessories into matched maintenance packages.

Q: What core function does this piston seal ring perform inside the cylinder?
A: It separates high-pressure and low-pressure oil chambers inside the cylinder and prevents hydraulic fluid from flowing across both sides of the piston.

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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