Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of drilling equipment hydraulic cylinder load u-cup seals in China, also supports customized service. Please feel free to buy high quality drilling equipment hydraulic cylinder load u-cup seals for sale here from our factory.
Products Description
Drilling equipment hydraulic cylinder load u-cup seals are sealing devices for hydraulic cylinders, primarily found in drilling equipment. These seals are designed to prevent fluid leakage while withstanding high pressures and loads.

Benefits of Drilling Equipment Hydraulic Cylinder Load U-cup Seals
- Low-pressure/low-temperature sealing performance: These seals perform well at low pressures and low temperatures due to the built-in O-rings, which effectively prevent leaks.
- Good fluid film rupture capability: The Load U-cup has good fluid film rupture capability, which can provide a stable sealing effect under different pressure and temperature conditions.
- Wear and side load resistance: The anti-extrusion rings and enhancers (such as O-rings or X-rings) included in the Load U-cup design can improve the seal's wear and side load resistance, making it perform better under high pressure and dynamic conditions.
- Adapt to pressure fluctuations: The Load U-cup can adapt to pressure fluctuations, not only excelling at static high pressure but also maintaining consistent sealing performance in environments with changing pressures.
Loaded U-cup seals are critical components in drilling equipment, especially in the oil and gas industry, with their strong sealing capabilities under high-pressure conditions.
Applications in Drilling Equipment
Loaded U-cups are widely used in various components of drilling equipment, including:
Drilling machinery: They ensure the reliable operation of hydraulic cylinders and pumps by preventing fluid leakage under high pressure.
Valves and pumps: In these applications, loaded U-cups help maintain system integrity by providing an effective seal against harsh environmental conditions.
Hydraulic systems: Their ability to withstand significant pressure fluctuations makes them ideal for hydraulic systems used in drilling operations.
Material Technical Data Sheet
| FFKM 90 | Property | Unit | Test Method | Test Parameter | Value |
| Hardness | Shore A | ASTM D 2240 | 90 | ||
| Specific gravity | g/cm3 | ASTM D 1817 | 1.99 | ||
| Tensile strength | MPa | ASTM D 412 | 20.6 | ||
| Ultimate elongation | % | ASTM D 412 | 111 | ||
| Modulus at 100% | MPa | ASTM D 412 | 18.3 | ||
| Compression set | % | ASTM D 395 B/1 | 70h / 230°C | 29.5 | |
| Compression set | % | ASTM D 395 B/1 | 70h / 200°C | 18 | |
| Low temp. resistance | °C | ASTM D 1329 | TR10 | -1 |
about Us
Linde Polymer Tec Co., Ltd. mainly produces a variety of rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 product specifications. Products are suitable for automotive, aviation, machinery, petrochemical, medical, food, electronics, military, industrial, and other fields. Since the establishment of the factory, the company has completed the process consistency operation, and the product yield rate has reached 97.1%.

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+8613159203761
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