A pressure regulator system (10, 410, 610, 810, 1010), comprising: a valve (18, 418, 618, 818) comprising: a valve body (32, 432, 632, 832) defining an inlet (34, 434, 634, 834), an outlet (38, 438, 638, 838), and a flow path (42, 442, 642, 842) connecting the inlet and the outlet; an actuator assembly (22, 422, 622, 822) configured to actuate the valve between an open position and a closed position in response to a fluid pressure that is receivable at the actuator assembly via a control line (26, 426, 626, 826); and a stabilizer (14, 214) disposed in the control line, the stabilizer comprising: a stabilizer body (82, 282) defining an inlet chamber (86, 286), an outlet chamber (90, 290), a passageway (92, 292) connecting the inlet chamber and the outlet chamber, a first seat (108, 308), and a second seat (110, 310); a disc (102, 302, 302a, 302b, 302c) disposed in the passageway and movable between an open position, in which the disc is spaced away from the first seat and the second seat, a first closed position, in which the disc engages the first seat, and a second closed position in which the disc engages the second seat; a first spring (114, 314) disposed in the outlet chamber and operatively coupled to the disc; and a second spring (122, 322) disposed in the inlet chamber and operatively coupled to the disc; wherein the disc (102, 302, 302a, 302b, 302c) is configured to restrict fluid flow through the passageway in response to a pressure imbalance between the inlet chamber (86, 286) and the outlet chamber (90, 290). a valve (18, 418, 618, 818) comprising: a valve body (32, 432, 632, 832) defining an inlet (34, 434, 634, 834), an outlet (38, 438, 638, 838), and a flow path (42, 442, 642, 842) connecting the inlet and the outlet; an actuator assembly (22, 422, 622, 822) configured to actuate the valve between an open position and a closed position in response to a fluid pressure that is receivable at the actuator assembly via a control line (26, 426, 626, 826); and a valve body (32, 432, 632, 832) defining an inlet (34, 434, 634, 834), an outlet (38, 438, 638, 838), and a flow path (42, 442, 642, 842) connecting the inlet and the outlet; an actuator assembly (22, 422, 622, 822) configured to actuate the valve between an open position and a closed position in response to a fluid pressure that is receivable at the actuator assembly via a control line (26, 426, 626, 826); and a stabilizer (14, 214) disposed in the control line, the stabilizer comprising: a stabilizer body (82, 282) defining an inlet chamber (86, 286), an outlet chamber (90, 290), a passageway (92, 292) connecting the inlet chamber and the outlet chamber, a first seat (108, 308), and a second seat (110, 310); a disc (102, 302, 302a, 302b, 302c) disposed in the passageway and movable between an open position, in which the disc is spaced away from the first seat and the second seat, a first closed position, in which the disc engages the first seat, and a second closed position in which the disc engages the second seat; a first spring (114, 314) disposed in the outlet chamber and operatively coupled to the disc; and a second spring (122, 322) disposed in the inlet chamber and operatively coupled to the disc; a stabilizer body (82, 282) defining an inlet chamber (86, 286), an outlet chamber (90, 290), a passageway (92, 292) connecting the inlet chamber and the outlet chamber, a first seat (108, 308), and a second seat (110, 310); a disc (102, 302, 302a, 302b, 302c) disposed in the passageway and movable between an open position, in which the disc is spaced away from the first seat and the second seat, a first closed position, in which the disc engages the first seat, and a second closed position in which the disc engages the second seat; a first spring (114, 314) disposed in the outlet chamber and operatively coupled to the disc; and a second spring (122, 322) disposed in the inlet chamber and operatively coupled to the disc; wherein the disc (102, 302, 302a, 302b, 302c) is configured to restrict fluid flow through the passageway in response to a pressure imbalance between the inlet chamber (86, 286) and the outlet chamber (90, 290).