Cetop 2 Modular Pilot Operated Check Valve.
Operating on "A" and "B" ports.
Pilot ratio 1:4
AM2.UP.AB.5.00.1
This type of modular piloted check valve module allow one way free flow by raising a conical poppet, while in the opposite direction fluid can return by means of a small piston, piloted by pressure in the other line.