CAPACITY CONTROL VALVE

There is provided a capacity control valve that displays good responsiveness during normal control.A capacity control valve V includes a valve housing 10 provided with a discharge port 12 through which a discharge fluid at a discharge pressure Pd passes, a suction port 13 through which a suction fluid at a suction pressure Ps passes, and a control port 14 through which a control fluid at a control pressure Pc passes; a rod 83 driven by a solenoid 80; and a main valve 50 that includes a main valve seat 53a and a main valve body 51 to open and close communication between the discharge port 12 and the control port 14 in accordance with a movement of the rod 83. The capacity control valve V further includes a CS valve 56 that includes a CS valve seat 82b and a CS valve body 53 to open and close communication between the control port 14 and the suction port 13. The CS valve body 53 is disposed so as to be movable relative to the main valve body 51. The main valve body 51 and the CS valve body 53 move together in accordance with the movement of the rod 83 while a closed state of the main valve 50 is maintained.