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The 491 Series Anti-Siphon Wall Hydrant was added to PRIER's offering with our 2007 purchase of Mansfield’s Brass Division
Maximum working water pressure 175 PSI
such as Xeri-Bird 8 and Air Vacuum Relief Valve Kit
Sensor Ports: 2
25 Unit Carton Height (in) 1
Febco 2" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoffs, Freeze Sensor 765-QT-FZ PVB 2 C-134W The 491 Series Anti-Siphon WallThis 2 inch pressure vacuum breaker backflow preventer is used to protect against health hazard and non hazard backsiphonage of toxic or non toxic liquids in industrial plants, cooling towers, laboratories, laundries, swimming pools and irrigation systems. It has a bronze body, spring loaded check valve, air relief valve with opening port, two resilient seated shutoffs and test cocks, and NPT end connections. This assembly meets the specifications of
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