DPAC high-pressure cage type angle valve is a regulating valve of pressure balancing type. Its valve body has small loss caused by pressure drop, mass flow and wide adjustable range. The angle valve may be selected as required by layout of piping deflection. The regulating valve is provided with multi-spring diaphragm actuator. It has compact conformation and big output force. Such valve may be applied in high-pressure drop occasions demanding good dynamic stability, low voice and small cavitation corrosion.