

The Graco 15C638 PTFE Encapsulated O-Ring provides a durable, low-friction seal for high-pressure sprayer applications, combining an elastomer core with a PTFE outer layer for chemical resistance and long-lasting performance.
The Graco 15C638 PTFE Encapsulated O‑Ring combines a flexible elastomer core with a low-friction PTFE (Teflon) outer layer to provide excellent chemical resistance and long service life. It maintains a reliable sealing surface under high pressure and repeated cycling, minimizing leakage and wear in demanding spraying environments.
| Part Number | 15C638 |
| Name | PTFE-Encapsulated O‑Ring |
| Core Material | Elastomer (rubber) |
| Encapsulation | PTFE (Teflon) |
| Application | Sealing high-pressure fluid passages in sprayer pumps and valves |