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4″ Deringer 40 Reduced Pressure Zone Assembly (RP)

In stock (can be backordered)


Ames - Fire and Waterworks - Backflow Prevention Products logoThe 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

Model# D-4040

UPC# 737733034148

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