压力机安全双联阀是控制压力机制动器、离合器正常工作的一种专用气动元件。

　　当阀本身出现任何故障时，它能使制动器、离合器的控制气压降低到启动压力之下，从而使压力机迅速停车，以确保设备及人身安全。

　　Safety double relief valves is an exclusive pneumatic element controlling the actions of the brake and cluth of a press, when the controlling air below the valve itself goes wrong, it makes pressure of

　　the brake and clutch drop starting pressure. there by stopping the press quickly to ensure safety to the equipment and personal.