Deringer 40G-OSY 3" Reduced Pressure Valve Assembly
Details
Details
Deringer 40G is designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage. Deringer 40G has OSY valves along with dual-action checks.
Manufacturer: Deringer
Size: 3 Inch
Product model: 40 / 40G
Size: 3 Inch
Product model: 40 / 40G
Maintenance Manual Deringer 40G 2 1/2"-4" Spec Sheet Deringer 40G 
How to Maintenance a 2 ½" - 4" Deringer 40 Reduced Pressure Backflow Preventer