FIG 912
Anti-Siphon Valve w/ Expansion Relief
Anti-siphon valves are used to help prevent the accidental siphoning of a product from a tank in the event of a leak downstream below the liquid level.
Product Features
Standard Features
Valve functions in horizontal and vertical position
Integrated expansion relief set at approximately 25 PSI
Factory preset to several ranges of water column
Maximum working pressure— 200 PSI
-10°F to 200°F operating temperature range
Normally closed
Priming tees and assemblies are available
Construction Details
- Body: 304/316SS wetted components
- Disc: FKM
Product Ordering Instructions
| Fig | Suffix | Size | Description | Weight |
| 912 | 050500 AV | .50” | Anti-Siphon Valve w/Expansion Relief, 0-5’ of W.C. | 0.87 |
| 912 | 051000 AV | .50” | Anti-Siphon Valve w/Expansion Relief, 5-10’ of W.C. | 0.87 |
| 912 | 051500 AV | .50” | Anti-Siphon Valve w/Expansion Relief, 10-15’ of W.C. | 0.87 |
| 912 | 052000 AV | .50” | Anti-Siphon Valve w/Expansion Relief, 15-20’ of W.C. | 0.87 |
| 912 | 070500 AV | .75” | Anti-Siphon Valve w/Expansion Relief, 0-5’ of W.C. | 0.9 |
| 912 | 071000 AV | .75” | Anti-Siphon Valve w/Expansion Relief, 5-10’ of W.C. | 0.9 |
| 912 | 071500 AV | .75” | Anti-Siphon Valve w/Expansion Relief, 10-15’ of W.C. | 0.9 |
| 912 | 072000 AV | .75” | Anti-Siphon Valve w/Expansion Relief, 15-20’ of W.C. | 0.9 |
| 912 | 100500 AV | 1” | Anti-Siphon Valve w/Expansion Relief, 0-5’ of W.C. | 1.55 |
| 912 | 101000 AV | 1” | Anti-Siphon Valve w/Expansion Relief, 5-10’ of W.C. | 1.55 |
| 912 | 101500 AV | 1” | Anti-Siphon Valve w/Expansion Relief, 10-15’ of W.C. | 1.55 |
| 912 | 102000 AV | 1” | Anti-Siphon Valve w/Expansion Relief, 15-20’ of W.C. | 1.55 |
| 912 | 050510 AT | .50” | Horizontal Priming Tee with Plug, SS | 0.64 |
| 912 | 050511 AT | .50” | Vertical Priming Tee with Plug, SS | 0.82 |
| 912 | 070510 AT | 3/4” | Horizontal Priming Tee with Plug, SS | 0.6 |
| 912 | 070511 AT | 3/4” | Vertical Priming Tee with Plug, SS | 0.6 |
| 912 | 100510 AT | 1” | Horizontal Priming Tee with Plug, SS | 1.25 |
| 912 | 100511 AT | 1” | Vertical Priming Tee with Plug, SS | 1.25 |