

The Graco 181487 Plate, Valve is a factory‑made valve plate that provides a precise seating surface for internal pump valves, supporting controlled fluid flow in high‑pressure systems.
The Graco 181487 Plate, Valve provides the seating surface for check valves and forms part of the fluid section in select Graco pump designs.
This valve plate serves as the mounting and sealing surface for internal valves, ensuring precise fluid passage and controlled sealing action under high pressure. ([sprayersandparts.com](https://www.sprayersandparts.com/home/11524-graco-181487-plate-valve.html))
The plate’s precision machining supports consistent fluid dynamics and reduces leakage risk, maintaining reliable pump performance over time. ([sprayersandparts.com](https://www.sprayersandparts.com/home/11524-graco-181487-plate-valve.html))
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