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.
2. Reduces friction by trapping lubricants.
3. Easily stretchable.
4. Contact with all surfaces under high pressure, eliminating wear spots.
5. Durable materials.
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Working Conditions
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Material
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PEEK
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PTFE
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POM
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Pressure
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≤310Mpa
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≤69Mpa
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≤103Mpa
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Temperature
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-60℃ to +200℃
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-46℃ to +180℃
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0℃ to +110℃
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Medium
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Most of the chemicals, except Strong nitric acid and concentrated sulfuric acid.
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Most of the chemicals, except molten sodium and liquid fluorine.
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Most of the chemicals, not suitable for acid,Strong Alkali, UV etc enviroment.
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Size:
Diameter:φ3-φ500mm
Dimension can be customized
