Deringer 50-BFG-CPM 6" Reduced Pressure Valve Assembly

Deringer 50 is designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage. Deringer 50 has BFG valves and dual-action checks. The cubic feet per meter bypass is used to monitor unauthorized water usage and is primarily required on fire sprinkler systems.