Patent ID: 8002239

Claim:
A valve device comprising: a valve spindle to be moved forward and backward by a turning operation; a valve body in a cylindrical shape being provided inside with a passage for refrigerant which passage is to be opened and closed by forward and backward movement of the valve spindle; and a support member for supporting the valve body, wherein the valve body is provided at its one side in the axial direction of the cylindrical shape with an operation tool receiving part for receiving the operation tool which turns the valve spindle, the valve body further provided at the other side in the axial direction with a connection tool mounting part for mounting a connection tool by which an external piping is attached and detached; between the operation tool receiving part and the connection tool mounting part of the valve body are provided a non-round trunk part having a cross-section of a non-round shape, and a recessed part concaved from the outside surface of the trunk part; and the support member consists of a trunk part engaging section, which engages with the non-round trunk part to restrict or prevent the valve body from turning and shifting in position, and a recessed part engaging section which engages with the recessed part to restrict or prevent the valve body from axially shifting in position.