SHUTTLE VALVE AND SHUTTLE VALVE DEVICE

PROBLEM TO BE SOLVED: To provide a shuttle valve and a shuttle valve device capable of simplifying a communication passage and improving the mounting and assembling workability in a case when plural shuttle valves are used. SOLUTION: First and second input ports 4, 5 and an output port 3 are arranged along the moving axial direction of a poppet 20 by this order, the poppet 20 is provided with a cylindrical part sliding in a valve element sliding hole 200a formed on a casing body 200 in a close contact state, and first and second valve seat parts 22, 23 mounted on both sides of the cylindrical part, an axial communication hole 24 is penetrated through the poppet, a plug 10 provided with a third valve seat part 12 for sitting the first valve seat part 22 is fitted to one end of the sliding hole 200a, the other end of the sliding hole 200a is provided with a fourth valve seat part 13 for sitting the second valve seat part 23, the first input port 4 is positioned at an outer peripheral side of the first and third valve seat parts, and the second input port 5 is positioned at an outer peripheral side of the second and fourth valve seat parts.