Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of cylinder rubber u-ring in China, also supports customized service. Please feel free to buy high quality cylinder rubber u-ring for sale here from our factory.
Cylinder rubber U-ring is a rubber seal used to seal the cylinder, with excellent sealing performance and durability.
Product Overview
Cylinder rubber U-ring is a rubber seal specially designed for cylinder sealing, with excellent sealing effect and good durability. It is usually made of high-quality rubber materials, such as nitrile rubber (NBR), fluorine rubber (FKM), etc., and has good oil resistance, corrosion resistance and high temperature resistance.
Product features
- Excellent sealing performance: The cylinder rubber U-shaped ring has good elasticity and resilience, and can closely fit the inner wall of the cylinder and the piston, thereby effectively preventing gas leakage and contamination.
- Strong durability: Because it is made of high-quality rubber material, it has good wear resistance and aging resistance, and can maintain a good sealing effect for a long time.
- Strong adaptability: it has good chemical stability and thermal stability, and can work in various harsh environments, such as high temperature, high pressure, corrosive environment, etc.
- Easy installation: The shape and size of the cylinder rubber U-ring are reasonably designed for easy installation and replacement.
Product application
These rings are widely used in various situations where cylinders need to be sealed, such as petroleum, chemical, electric power, pharmaceutical and other industries. It is suitable for various types of cylinders, such as single-acting cylinders, double-acting cylinders, etc. It can effectively prevent gas leakage and pollution and ensure the normal operation and safety of the equipment.
Precautions for use
When installing and using the cylinder rubber U-ring, ensure that the surface of the cylinder is clean to avoid impurities and residues from affecting the sealing effect.
During installation, attention should be paid to the correct direction and position of the rubber U-ring of the cylinder to ensure that it fits tightly with the inner wall of the cylinder and the piston.
During use, the wear of the rubber U-ring of the cylinder should be checked regularly. If damage is found, it should be replaced in time.
When replacing the cylinder rubber U-ring, specifications and materials that are the same as or matching the original model should be used to ensure good sealing effect and service life.
During storage, care should be taken to avoid direct sunlight and high temperature environments, so as not to affect the performance and service life of the cylinder rubber U-ring.
| Exterior | black | ||
| Physical properties | Rated value | Unit system | Test Methods |
| proportion | 1.81 | g/cm³ | ASTM D792 |
| Hardness | Rated value | Unit system | Test Methods |
| Shore Hardness (Shore A) | 90 | ASTM D2240 | |
| Elastomer | Rated value | Unit system | Test Methods |
| Tensile stress (100% strain) | 13.4 | MPa | ASTM D412 |
| Tensile Strength (Break) | 14.1 | MPa | ASTM D412 |
| Elongation (break) | 110 | % | ASTM D412 |
| Compression Set 1 | ASTM D395 | ||
| 23°C, 70 hours | 19 | % | ASTM D395 |
| 175°C, 70 hours | 33 | % | ASTM D395 |
| 175°C, 166 hours | twenty two | % | ASTM D395 |
| 200°C, 22 hours | 18 | % | ASTM D395 |
| Ageing | Rated value | Unit system | Test Methods |
| Rate of Change of Tensile Strength in Air (175°C, 70 hr) | -33 | % | ASTM D573 |
| Rate of Change of Ultimate Elongation in Air (276°C, 70 hr) | 9 | % | ASTM D573 |
| Rate of Change of Durometer Hardness in Air (276°C, 70 hr) | 3 | ASTM D573 | |
| Change rate of tensile strength | ASTM D471 | ||
| 23°C, 70 hr, in reference fuel B | 5 | % | ASTM D471 |
| 175°C, 70 hr, in Stauffer 7700 liquid | 4 | % | ASTM D471 |
| Change rate of ultimate elongation | ASTM D471 | ||
| 23°C, 70 hr, in reference fuel B | 6 | % | ASTM D471 |
| 175°C, 70 hr, in Stauffer 7700 liquid | 4 | % | ASTM D471 |
| Change rate of durometer hardness | ASTM D471 | ||
| 23°C, 70 hr, in Reference Fuel B | 0 | ASTM D471 | |
| 276°C, 70 hr, in Stauffer 7700 liquid | -7 | ASTM D471 | |
| Volume change | ASTM D471 | ||
| 23°C, 70 hr, in reference fuel B | 1 | % | ASTM D471 |
| 175°C, 70 hr, in Stauffer 7700 liquid | 15 | % | ASTM D471 |
| thermal performance | rated value | unit system | |
| Service Temperature | -29 to 232 | °C | |
| Additional information | rated value | unit system | Test Methods |
| FKM | |||
| -15 | °C | ASTM D1329 | |
Summary
As an important rubber seal, cylinder rubber U-ring is widely used in petroleum, chemical, electric power, pharmaceutical and other industries. It has excellent sealing performance and durability, and can effectively prevent gas leakage and pollution. During use, attention should be paid to correct installation and maintenance methods to ensure its good performance and service life. If you want to know more about the cylinder rubber U-ring, it is recommended to consult the professional engineers of Linde Polymer or consult the relevant
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