Stack of valves that controls flow of air to graphite reactors.
| Bill Of Materials | Qty | Unit | Total | Notes |
| AVP-31 stacking hardware kit | 8 | ea | 33.04 | |
| labor assembly/fabrication (min) | 30 | min | 27.60 | |
| O-ring M1x10 B70A | 8 | ea | 1.52 | |
| solenoid valve 1/8 FPT 120 VAC 3 way stackable | 9 | ea | 316.80 | |
| solenoid valve stack (9) | 1 | ea | 378.96 |
| Used on | Qty |
| air manifold 9 port | 1 |