

The Graco 180472 Packing, U‑Cup is an OEM dynamic seal used around moving pistons or rods in pump assemblies to prevent fluid leakage while allowing motion.
The Graco 180472 Packing, U‑Cup is an OEM U‑shaped pack seal designed for dynamic sealing of rods or pistons inside compatible Graco pump assemblies, helping prevent fluid leakage while allowing movement.
U‑cup packing delivers a flexible yet tight seal around pistons or rods, maintaining fluid containment while accommodating reciprocating motion. It is used in fluid pumps and pressure assemblies requiring dynamic sealing.
| Part Number | 180472 |
|---|---|
| Type | U‑cup packing seal |
| Application | Dynamic piston/rod sealing in pumps |
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