ZHD electronic electric multi-stage regulating valve adopts multi-stage cage sleeve spool or axial flow labyrinth type spool, multi-stage pressure reduction, completely control the flow rate of the medium flowing through the valve, greatly reduce the noise generated by high-pressure gas or steam in the valve, stable multi-stage pressure reduction effectively makes the liquid will not produce cavitation, is used in high-pressure medium places stable performance control valve, can choose multi-spring pneumatic membrane mechanism or electric actuator.