Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of pneumatic cylinders x-ring in China, also supports customized service. Please feel free to buy high quality pneumatic cylinders x-ring for sale here from our factory.
| ltem | NBR rubber | Test Method |
| Color | black., etc | |
| Specific gravity | 1.3-1.5g/cm3 | ASTM D297 |
| Hardness | 40°-80° Shore A | ASTM D2240 |
| Tensile strength | 13 MPa (min) | ASTM D412 |
| Elongation at break | 250% (min) | ASTM D412 |
| Tear strength | 35 N/mm | ASTM D 624 |
| Low temperature resistance | -25C | ASTM D1329 |
| Temperature range | -25°C to +120°C | ASTM D2000 |
| Normal or custom | ||
Pneumatic cylinders x RING, also known as Quad Ring, is a special sealing ring commonly used for piston sealing in pneumatic systems.
The structural characteristic of the X-shaped ring is that it presents two intersecting circular or oval cross-sections in cross-section, forming four lips. This design allows the X-shaped ring to provide a better sealing effect between the piston and the cylinder barrel, effectively resisting gas leakage.
Sealing principle: When the piston of the pneumatic cylinder moves in one direction, the lip of the X-ring will be compressed and the sealing gap will shrink, thereby generating radial pressure and achieving a sealing effect. When the piston moves reversely, the compressed lip will expand and return to the initial state to ensure sealing performance.
Advantages
Compared with traditional O-rings, X-rings have the following advantages in pneumatic cylinders:
- Better sealing performance: The special structure of the X-shaped ring forms four sealing lips during the piston movement, providing better sealing effect and effectively reducing gas leakage.
- Lower friction: The friction between the lip of the X-ring and the piston and cylinder is smaller, reducing energy loss and friction and wear.
- Anti-torsion performance: The structure of the
- Scope of application: X-shaped rings are widely used in pneumatic cylinders and pneumatic systems, including automation equipment, industrial production lines, mechanical equipment and other fields. The pneumatic cylinder can control the flow of gas through the seal of the X-shaped ring to achieve smooth movement and precise control of the piston. It is commonly used in applications such as pneumatic manipulators, pneumatic clamps, and pneumatic conveying systems.
Summarize
X-ring is a special structure sealing ring, which is widely used in pneumatic cylinders to seal the piston. It provides better sealing performance, lower friction and better torsion resistance through its special cross-sectional shape and four-lip design. X-shaped rings can effectively control gas leakage in pneumatic systems and achieve smooth movement and precise control of the piston. They are one of the commonly used sealing elements in pneumatic cylinders.
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| N-568 | Actual Size Millimeters | |||
| I.D. | ± | C.S. | ± | |
| X-RING 01 | 21.89 | 0.25 | 2.62 | 0.08 |
| X-RING 02 | 23.47 | 0.25 | 2.62 | 0.08 |
| X-RING 03 | 25.07 | 0.25 | 2.62 | 0.08 |
| X-RING 04 | 26.64 | 0.25 | 2.62 | 0.08 |
| X-RING 05 | 28.24 | 0.25 | 2.62 | 0.08 |
| X-RING 06 | 29.82 | 0.30 | 2.62 | 0.08 |
| X-RING 07 | 31.42 | 0.30 | 2.62 | 0.08 |
| X-RING 08 | 32.99 | 0.30 | 2.62 | 0.08 |
| X-RING 09 | 34.59 | 0.30 | 2.62 | 0.08 |
| X-RING 10 | 36.17 | 0.30 | 2.62 | 0.08 |
| X-RING 11 | 37.77 | 0.30 | 2.62 | 0.08 |
| X-RING 12 | 39.34 | 0.38 | 2.62 | 0.08 |
| X-RING 13 | 40.94 | 0.38 | 2.62 | 0.08 |
| X-RING 14 | 42.52 | 0.38 | 2.62 | 0.08 |
| X-RING 15 | 44.12 | 0.38 | 2.62 | 0.08 |
| X-RING 16 | 45.69 | 0.38 | 2.62 | 0.08 |
| X-RING 17 | 47.29 | 0.38 | 2.62 | 0.08 |
| X-RING 18 | 48.865 | 0.38 | 2.62 | 0.08 |
| X-RING 19 | 48.9 | 0.43 | 2.62 | 0.08 |








