It adopts cage guide structure. The pressure balanced valve core is designed for heavy-duty operating conditions. It adopts a double-seat valve seal and is used in occasions where leakage is not required. The valve body has a compact structure and the fluid passage is S-streamlined. The structure is provided with a guide vane that can improve the balance flow around the fluid. The advantage is that the pressure drop is small. The circulation is large, the adjustable range is wide, and the flow characteristic accuracy is high. The valve core utilizes a pressure balance structure and can control high pressure and other working conditions through a small actuator thrust. It is widely used in fluid control requiring good dynamic stability, high and low temperature, and high pressure pipelines. Cage-oriented, large guide area, good stability, compact structure.