

Compact part that secures the piston valve in Graco pump lowers — quick visual check for fit and function.
The Graco 16U800 Piston Valve Holder is a precision-machined component used in specific Graco industrial pumping systems. It houses and secures the piston valve assembly, ensuring proper alignment, smooth fluid movement, and consistent pumping performance. This part works in conjunction with the piston valve, seals, and packings to maintain reliable system pressure during operation.
| Part Number | 16U800 |
|---|---|
| Component Type | Piston Valve Holder |
| Used With | Piston Valve (e.g., 16U799) and compatible pump lower assemblies |
| Material | High-durability metal construction built for industrial performance |
| Function | Holds and supports piston valve components inside the pump lower |
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