• Removable NPT orifice plug
• 3 to 1 pilot ratio
Pilot Operated Check Valve
Provides free-flow from “A to B” & check function from “B to A” by connecting the “X” pilot to the “B” port of the valve insert. To achieve bi-directional flow, just supply Z1 with pilot pressure. The pilot ratio is 3 to 1.
Sizes 25mm to 63mm / 80mm not shown