Reliable **PTFE back-up ring** designed to support O-rings and improve sealing performance in high-pressure Graco spray systems.
This **Graco 114340 PTFE Back-Up Ring** is confirmed to fit the following machine based on available manufacturer documentation:
The Graco 114340 PTFE Back-Up Ring is a precision-engineered support component designed to reinforce primary seals in high-pressure fluid systems. Manufactured from durable PTFE, it resists chemical attack, prevents O-ring extrusion, and enhances overall sealing reliability in demanding spray and fluid-handling environments.
| Part Number | 114340 |
|---|---|
| Material | PTFE (Polytetrafluoroethylene) |
| Function | Supports O-rings and prevents seal extrusion under pressure |
| Typical Use | Fluid outlet sealing, pump and spray system support components |
| Compatibility Notes | Used in various Graco fluid-handling tools; confirmed fit listed above. |
PTFE is widely used in industrial sealing because of its:
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