PEEK PTFE POM back up ring
Back-up Ring/Anti Extrusion Rings is a ring that holds an elastomeric seal to its outline shape and in its right place. and are typically used with O Rings to eliminate extrusion at high pressures.
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Advantages:
1. Quick and easy installation. |
Working Conditions | |||
Material | PEEK | PTFE | POM |
Pressure | ≤310Mpa | ≤69Mpa | ≤103Mpa |
Temperature | -60℃ to +200℃ | -46℃ to +180℃ | 0℃ to +110℃ |
Medium | Most of the chemicals, except Strong nitric acid and concentrated sulfuric acid. | Most of the chemicals, except molten sodium and liquid fluorine. | Most of the chemicals, not suitable for acid,Strong Alkali, UV etc enviroment. |
Size:
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back up ring dimensions