4″ Deringer 40 Reduced Pressure Zone Assembly (RP)
The 4″ Deringer 40 reduced pressure zone backflow preventer assembly is designed to prevent hazardous contaminants and non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage conditions. The Ames Deringer 40 features integral Eccentric-Seal™ butterfly shutoff valves for a short lay length, integrated tamper switches, and True-Seal™ and Dual-Action™ checks for high performance at low-and high-flow rates. This assembly may be installed under continuous pressure service to protect against both backpressure and backsiphonage. Maximum working pressure is 175psi (12 bar).
Part of the Deringer 40/40G Series
Lead Free: YES