Dryseal pipe plug engineered to securely seal unused 1/4 NPTF ports, helping maintain system pressure and reduce fluid leaks.
| Machine / System | Compatibility |
|---|---|
| Graco Fluid Handling Equipment | Compatible with Graco systems using a 1/4 NPTF Dryseal threaded port. |
| Graco Pumps & Spray Systems | Suitable for sealing unused or service ports where Part 557391 is specified. |
| Industrial Lubrication Equipment | Fits compatible Graco lubrication and fluid transfer equipment with matching thread specifications. |
The Graco 557391 Plug, Dryseal 1/4 NPTF is a genuine OEM threaded plug designed to securely seal unused fluid or pressure ports on compatible Graco equipment. Its 1/4 NPTF Dryseal thread provides a dependable, leak-resistant connection, helping maintain system pressure and protect internal components from contaminants.
