Product Description
| Part Number | Inlet Port (NPT) | Outlet Port (NPT) | Application Port (NPT) | Auxiliary Port (NPT) | Comments |
| 10900 | 1 1/2" | 1 1/2" | 1/4" | Closed | Nitrile O-Rings |
| 110250 | 1 1/2" | 1 1/2" | 1/4" | 1/4" | Nitrile O-Rings |
| 110390 | 1 1/4" | 1 1/4" | 1/4" | 1/4" | Viton O-Rings |
- These are large volume piston operated relay valves commonly used to drive air starter motors
