The YNF17153 PU-DSI Seal (200×223×10–15) is a heavy-duty hydraulic oil seal designed for large-diameter applications in construction and industrial machinery. Made from high-performance polyurethane (PU) material, this seal offers excellent wear resistance, high load-bearing capacity, and reliable sealing under harsh working conditions. The PU-DSI design ensures stable performance in dynamic applications, effectively preventing oil leakage while protecting internal components from contamination.

• Part No.: YNF17153

• Type: PU-DSI oil seal

• Dimensions: 200×223×10–15 mm (ID × OD × Width)

• High-performance polyurethane material

• Excellent wear and extrusion resistance

• Suitable for high-pressure and heavy-duty applications

• Reliable sealing for large-diameter shafts

• OEM-equivalent design for direct replacement

• Hydraulic cylinders and hydraulic systems

• Construction machinery and heavy equipment

• Excavators, loaders, and industrial machinery

• Large rotating or reciprocating components

• Maintenance and overhaul of heavy-duty hydraulic systems

• Seal size and application verification

• Technical support for installation and working conditions

• Supply of related PU seals, oil seals, O-rings, and seal kits

• OEM-equivalent and customized sealing solutions

• Individually packed to prevent deformation

• Protective and moisture-proof packaging

• Export-grade cartons or wooden cases for large seals

• Suitable for express, air, or sea shipment

Q: What does PU-DSI mean?
A: PU-DSI refers to a polyurethane seal design suitable for dynamic sealing in hydraulic applications.

Q: Is this seal suitable for high-pressure hydraulic systems?
A: Yes, PU-DSI seals are designed to perform reliably under high pressure and heavy-duty conditions.

Q: Can this seal replace the original PU-DSI seal directly?
A: Yes, it is manufactured to OEM-equivalent specifications for direct replacement.

Q: Do you offer other PU seals or custom sizes?
A: Yes, we provide a wide range of PU seals and can support custom sizes upon request.