Non return valves are essential devices that allow a liquid to flow through them in one direction but completely prevents its movement in the opposite direction into the drill string.

F.G.S. Drill sells a wide dimensional range of non return valves. On specific customer request, F.G.S. Drill manufactures non return valves subs or rods.


































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    (+39) 080-53 11 111



    Via dei Gerani, 36 - Modugno (BARI)