FIG 910
Anti-Siphon Valve
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.
Note: The all new 910 series replaces the previous 910ER series.
Product Features
Standard Features
Normally closed
Compatible in suction or pressure systems
Unique spring design allows for optimum opening pressure
High flow at optimum pumping pressures
Four elevation ratings available
Tamper-proof cap to ensure accurate elevation ratings
90 degree configuration for easy piping from tank top to grade level
Integrated thermal expansion relief
This valve can be installed in both horizontal and vertical piping
Construction Details
- Body: Ductile iron (e-coated)
- Cap: Stainless steel
- Spring: Stainless steel
- Plunger: Stainless steel with FKM disc
- Thermal expansion valve: Stainless steel with FKM seal
Certifications & Listings
cULus Listed
Product Ordering Instructions
| Figure | Suffix | Size | Description | Weight (lbs) |
| 910 | 1000 AV | 1.5” | Anti-Siphon Valve, 0-5 feet w.c. | 6.46 |
| 910 | 1100 AV | 1.5” | Anti-Siphon Valve, 5-10 feet w.c. | 6.46 |
| 910 | 1200 AV | 1.5” | Anti-Siphon Valve, 10-15 feet w.c. | 6.46 |
| 910 | 1300 AV | 1.5” | Anti-Siphon Valve, 15-20 feet w.c. | 6.46 |
| 910 | 2000 AV | 2” | Anti-Siphon Valve, 0-5 feet w.c. | 5.42 |
| 910 | 2100 AV | 2” | Anti-Siphon Valve, 5-10 feet w.c. | 5.42 |
| 910 | 2200 AV | 2” | Anti-Siphon Valve, 10-15 feet w.c. | 5.42 |
| 910 | 2300 AV | 2” | Anti-Siphon Valve, 15-20 feet w.c. | 5.42 |
| 910B | 1000 AV | 1.5” | Anti-Siphon Valve, 0-5 feet w.c., BSP threads | 6.46 |
| 910B | 1100 AV | 1.5” | Anti-Siphon Valve, 5-10 feet w.c., BSP threads | 6.46 |
| 910B | 1200 AV | 1.5” | Anti-Siphon Valve, 10-15 feet w.c., BSP threads | 6.46 |
| 910B | 1300 AV | 1.5” | Anti-Siphon Valve, 15-20 feet w.c., BSP threads | 6.46 |
| 910B | 2000 AV | 2” | Anti-Siphon Valve, 0-5 feet w.c., BSP threads | 5.42 |
| 910B | 2100 AV | 2” | Anti-Siphon Valve, 5-10 feet w.c., BSP threads | 5.42 |
| 910B | 2200 AV | 2” | Anti-Siphon Valve, 10-15 feet w.c., BSP threads | 5.42 |
| 910B | 2300 AV | 2” | Anti-Siphon Valve, 15-20 feet w.c., BSP threads | 5.42 |