General pressure regulating valve with overload protection device

The utility model discloses a general pressure regulating valve with an overload protection device. By means of the general pressure regulating valve with the overload protection device, the phenomenon that parts in the valve are damaged because a system is overloaded is avoided, and safety performance is improved. The general pressure regulating valve with the overload protection device comprises an actuator assembly, the overload protection device, a valve rod assembly, a main spring, a valve cap, a valve body assembly and a center bracket. The general pressure regulating valve with the overload protection device is characterized in that the actuator assembly is mounted at the top end of the valve rod assembly and is connected with the upper end of the center bracket through bolts, the lower end of the center bracket is connected with the upper end of the valve cap, the lower end of the valve cap is connected with the valve body assembly, the main spring is sleeved on the valve cap, the valve rod assembly i