The invention relates to a sodium valve for a two-circuit sodium circulation pump test device. A movable baffle of a port opening and closing valve of the sodium valve is fixed at the fixed ends of the two ends of a three-way sodium valve main structure through rotating shafts, the lower portion of the middle portion of the three-way sodium valve main structure is installed on a base through a stand column, a port of the extending-out end of one side of the middle portion of the three-way sodium valve main structure corresponds to a port of a medium entering pipe, the middle portion of a movable opening and closing bracket is fixed to one side of the extending-out end of the three-way sodium valve main structure through an opening and closing bracket fixing frame, the upper and lower partsof the port of the medium entering pipe are connected to the upper and lower ends of the movable opening and closing bracket through locking mechanisms, a heating wire of a heater is arranged in themedium entering pipe through a heater bracket, an external bracket of the heater bracket is provided with a switch, the bottom of the medium entering pipe is provided with a mated pipe interface, anda vacuumizer connector on the top of the medium entering pipe is connected with a vacuumizer. The sodium valve is installed on a sodium process system pipe of the two-circuit sodium circulation pump test device, can be used in the working condition environment of the two-circuit sodium circulation pump test device, and is convenient to operate and high in safety.