910 ANTI-SIPHON VALVE 5-10' W.C. 910---1100 AV EA

Morrison Bros. Model 910 1 1/2 in. NPT Anti-Siphon Valves - 5 - 10 Feet W.C.

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:

• 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

Product 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

UL Listed

FIG 910 Specification Sheet

FIG 910 Installation Instructions