

The Graco 15K031 Packing Nut (220‑250 cc Wet‑Cup) is designed for very high‑capacity pump systems, securing the packing assembly in large wet‑cup style configurations.
The Graco 15K031 Packing Nut (220‑250 cc Wet‑Cup) is engineered for the largest capacity Graco pumps, where fluid volume and system stress are significant. It holds the packing securely in place to ensure proper sealing even under heavy loads and high pressures typical in industrial spraying applications.
| Key Feature | Description |
|---|---|
| Sizing for 220‑250 cc Wet‑Cup | Ensures correct component fit for large‑capacity pumps. |
| Heavy‑Duty Construction | Handles extreme pressure and fluid volume. |
| Seal Integrity | Prevents fluid bypass in large systems. |
| Easy Service Access | Designed for convenient replacement in large systems. |
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