U-Section Polyurethane Hydraulic Seal

U-Section Polyurethane Hydraulic Seal

Our U-Section Polyurethane Hydraulic Seal is the preferred choice for high-pressure reciprocating applications in hydraulic cylinders and pumps. Manufactured from high-resilience polyurethane (PU), this U-Section Polyurethane Hydraulic Seal is designed to automatically compensate for wear by expanding against the sealing surface as internal pressure increases. We have optimized the lip geometry of our U-Section Polyurethane Hydraulic Seal to ensure zero-leakage performance, even under the fluctuating loads typical of industrial automation and heavy construction equipment.
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Product Introduction
product-400-400

Our U-Section Polyurethane Hydraulic Seal is the preferred choice for high-pressure reciprocating applications in hydraulic cylinders and pumps. Manufactured from high-resilience polyurethane (PU), this U-Section Polyurethane Hydraulic Seal is designed to automatically compensate for wear by expanding against the sealing surface as internal pressure increases. We have optimized the lip geometry of our U-Section Polyurethane Hydraulic Seal to ensure zero-leakage performance, even under the fluctuating loads typical of industrial automation and heavy construction equipment.

In our Jinhua facility, we leverage 10 years of expertise to ensure the U-Section Polyurethane Hydraulic Seal possesses exceptional extrusion resistance and high tensile strength. This ensures the U-Section Polyurethane Hydraulic Seal can operate reliably in high-frequency environments without the risk of "shaving" or premature failure. Our 100% inspection process and adherence to 6S management guarantee that every U-Section Polyurethane Hydraulic Seal we ship provides the stability required for critical engineering tasks, from factory cylinders to massive hydraulic presses.

 

Specifications

 

Material

High-Grade Polyurethane (PU)

Hardness

90-95 Shore A

Pressure

≤40 MPa

Temp Range

-35°C to +100°C

Speed

≤0.5 m/s

 

Application Fields

 

  • Hydraulic and Pneumatic Cylinders
  • Forklifts and Material Handling Equipment
  • Automated Industrial Presses

 

Customization & Capacity

 

We support OEM/ODM customization for specific hydraulic profiles. If you have a unique cross-section, our R&D team can design and prototype the mold in 20天. We offer tiered volume discounts.

 

Packaging & Shipping

 

Carefully organized in protective bags and heavy-duty cartons. We provide FOB delivery to the port, handling all origin-side logistics and documentation.

 

FAQ

 

Q: Is PU better than NBR for hydraulic use?

A: For high-pressure reciprocating motion, our PU seals offer significantly better wear and extrusion resistance.

Q: Do you offer different colors for PU seals?

A: Yes, we can accommodate color requests (Blue, Green, etc.) for large-volume orders.

 

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