

The Graco 184479 Stem Valve helps control fluid movement inside the pump, supporting proper sealing and consistent pressure.
The Graco 184479 Stem Valve plays a critical role in regulating internal fluid movement within the pump assembly. By opening and closing precisely during pump cycles, it helps maintain pressure stability and ensures reliable material delivery during spraying operations.
| Feature | Description |
|---|---|
| Function | Controls opening and closing of fluid passage |
| Sealing Support | Helps prevent pressure loss and backflow |
| Durability | Designed for long service life |
| Precision Fit | Ensures smooth valve movement |
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