

The Graco 189320 Seat Ball ensures tight sealing and reliable check-valve operation in Graco diaphragm pumps.
The Graco 189320 Seat Ball provides precise sealing in check-valve assemblies of Graco 1590 pumps. It helps maintain correct fluid flow, prevents backflow, and ensures reliable pump operation over time.
| Part Number | 189320 |
|---|---|
| Material | Metal |
| Component Type | Seat ball |
| Pump Series | 1590 diaphragm pumps |