

The Graco 181976 Stop Ball is a precision check component that prevents backflow in high‑pressure valve assemblies, ensuring consistent pump operation.
The Graco 181976 Stop Ball is a precision valve ball designed to act as a check or stop mechanism inside fluid pump and valve assemblies. It seals against the valve seat to control fluid direction and minimize backflow.
| Part Number | 181976 |
|---|---|
| Type | Stop/check ball |
| Material | Hardened precision steel |
| Function | Controls fluid flow direction |