Three-way valve for petroleum pipeline

The three-way valve for the petroleum pipeline comprises a valve seat, a valve element assembly is arranged in the valve seat, the valve element assembly comprises a valve element body, a first through groove, a second through groove and a third through groove are formed in the valve element body, and a sealing plate is arranged on the valve element body; the first through groove, the second through groove, the third through groove and the sealing plate are evenly distributed in the circumferential direction of the valve element body at intervals, a liquid inlet pipe, a first conveying pipe and a second conveying pipe are arranged on the side face of the valve seat, and a filtering inclined pipe is arranged on the liquid inlet pipe. According to the technical key points, the valve element main body is driven by the motor to rotate, and the positions of the first through groove, the second through groove, the third through groove and the sealing plate relative to the liquid inlet pipe, the first conveying pipe