The Febco 850 Series Double Check Valve Assemblies are an inline, cast iron bodied device. Known as the Master Series, the 850 features replaceable seats and bronze check assemblies with rubber discs.
The Febco 870V Series Double Check Valve Assemblies are an N-Pattern, cast iron bodied device. The 870V can be reconfigured for an offset vertical device. Features replaceable seats and bronze check assemblies with rubber discs.