Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of piston u cup seal in China, also supports customized service. Please feel free to buy high quality piston u cup seal for sale here from our factory.
Product Description
What is piston u cup seal
The piston U cup seal is a hydraulic rubber seal used in hydraulic cylinders and pneumatic systems. Its U-shaped cross-sectional design can prolong service life, lower friction, and produce an excellent sealing effect. Because it is composed of high-performance rubber, the U-shaped seal can withstand chemical corrosion, high pressure, and low temperatures. It can be used in many fields, such as technical machinery, industrial equipment, and the production of automobiles. The piston U-shaped seal can guarantee system safety and increase equipment operation efficiency.

Our Certificate

IATF 16949

ISO 9001

ISO 14001
| Material | High-performance rubber, fluorocarbon (FKM), NBR, etc. |
| Hardness | Typically 70-90 Shore A (can vary depending on application) |
| Temperature Range | -30°C to +120°C (Certain materials can withstand temperatures up to +200°C or more) |
| Pressure Range | Maximum pressure resistance up to 40 MPa (depending on application and seal size) |
| Friction Coefficient | Low friction coefficient, typically between 0.1 and 0.3 |
| Chemical Resistance | Resistant to oils, water, corrosion, and offers good chemical stability (depends on material) |
| Dimensional Tolerance | Precise dimensional tolerance, typically ±0.05mm, based on standard or custom requirements |
| Wear Resistance | High wear resistance, suitable for frequent movement and high-pressure environments |
| Aging Resistance | Excellent aging resistance, ensuring extended service life |
| Elastic Recovery | Good elastic recovery, ensures sealing performance is quickly restored |
| Suitable Media | Oil, gas, water, coolants, and other fluids (depending on material choice) |

Advantage of piston u cup seal
In many industrial applications, the piston U-shaped seal is used primarily for its sealing performance and longevity. The U-shaped cross-section design lowers the chance of leakage while providing sealing in both high and low pressure situations. It operates smoothly, reduces friction, increases equipment energy efficiency, and prolongs equipment life as compared to traditional seals. It is made of high-performance rubber, is resistant to wear, chemical corrosion, and extremely high or low temperatures, and can be adjusted to a variety of working conditions. It is widely utilized to increase the production efficiency of equipment operating in the automotive, hydraulic, and engineering machinery industries.
Application
- Oil, gas, and hydraulic cylinders, among others, guarantee the system's regular operation and stop liquid or gas leaks.
- U-shaped seals can survive high pressure conditions to guarantee the stability and safety of lifting equipment, loaders, and excavators.
- Driving safety and operating accuracy are enhanced by power steering and braking systems.
- U-shaped seals in compressors, injection molding machines, and valve devices guarantee the equipment's long-term, dependable performance.

Why Choose Us?

competent experience
Our technical staff is proficient and competent, and we have many years of industry experience.
Quality assurance
To guarantee the high standards of every product, all of them go through rigorous quality testing.
Customer first
We prioritize each client's demands and offer superior post-purchase support.
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