9K Backup Ring
The Chesterton 9K Backup Ring is a precision-machined anti-extrusion ring designed to protect seals and O-rings from being forced into equipment clearances under pressure. Its rigid profile supports sealing elements—static and dynamic—by preventing extrusion and improving mean time between repair. Available in a wide range of materials and customizable sizes, the 9K provides a flexible, reliable solution that fits plant-wide needs.
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Product Features
✔ Prevents extrusion of sealing element into equipment clearances: improves MTBR
✔ Machining process allows the flexibility to create any size
✔ Available in various profiles and materials
✔ Split design for ease of installation
Technical Data ↓
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-60 °F ( -50 °C )
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185 °F ( 85 °C )
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Temperature for AWC800 material