IUN/UNS/UHS PU U-cup Piston Hydraulic Rod Oil Seal Rings ID100mm-240mm

1. High-Performance PU U-Cup Design for Severe Hydraulic Applications

Engineered with a robust PU (Polyurethane) U-cup profile, these seals provide superior sealing performance in high-pressure hydraulic systems. The unique U-shaped geometry ensures tight contact with the piston rod, preventing oil leakage and maintaining system efficiency even under extreme pressure and dynamic movement.

2. Durable Material for Harsh Environments

Manufactured from premium-grade polyurethane (PU), these seals offer exceptional resistance to hydraulic fluids, chemicals, abrasion, and temperature fluctuations. The material’s flexibility and resilience ensure long-term durability in heavy-duty machinery and industrial equipment.

3. Wide ID Range for Versatile Compatibility

Designed with an inner diameter (ID) range of 100mm to 240mm, these seals accommodate large-diameter hydraulic cylinders and rods in applications such as construction machinery, hydraulic presses, and heavy industrial equipment. The scalable sizing ensures compatibility with diverse equipment requirements.

4. Enhanced Leak Prevention and Load Bearing

The IUN/UNS/UHS series combines radial compression and axial load-bearing capabilities, effectively sealing under high-pressure cycles and bidirectional motion. This design minimizes wear on piston rods and extends the lifespan of hydraulic systems by maintaining fluid integrity.

5. Easy Installation and Cost-Effective Maintenance

Featuring a split design and simple installation process, these seals reduce downtime during equipment maintenance. Their durable construction and resistance to deformation ensure reliable performance over extended periods, lowering replacement costs and operational disruptions.