The Febco 850 In-Line Design Double Check Valve Assemblies are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a cast copper silicon alloy body and threaded ball valve end connections. Maximum Working Pressure: 175psi (12.1 bar).
Pressure - Temperature
Typical Installation: FE850-125 1.25 inch DCA Outdoor Installation: