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.
Features
- Normally closed
- Compatible in suction or pressurized 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° configuration for easy piping from tank top to grade level
- This valve can be installed in both horizontal and vertical piping
- Integrated thermal expansion relief set at approximately 25 PSI
Construction Details
- Body: Ductile iron (e-coated)
- 1 1/2 in. NPT threads
- Cap: Stainless steel
- Spring: Stainless steel
- Plunger: Stainless steel with Viton® disc
- Thermal expansion valve: Stainless steel with Viton® seal
