The FEBCO Series 850U Double Check Valve Assemblies are
designed for non-health hazard applications. Series 850U are
designed to protect drinking water supplies from dangerous
cross-connections in accordance with national plumbing codes
and water authority requirements for non-potable service applications such as irrigation, fireline, or industrial processing.
End Connections – NPT ANSI/ASME B1.20.1.
Outlet Connection Type
Outlet Connection Size
Inlet Shutoff Valve Type
Inlet Connection Type
Inlet Connection Size