Main part of international valve market is a standard Gate / Globe / Check (GGC) valves. They are used in all pipelines and all industies. Wedge gate valves with metal seat and with soft rubber seats, Knife gate valves, Slab gate valves and another; globe valves for control and for regulation, Y-globe valves and bellow valves; Swing check valve, Dual plate check valve, Short pattern check valve, Axial check valves and check valves with counterweight. All that is represented by AC valves.