Hitachi EX870 Hydraulic Control Valve

EX870 4632971 Hydraulic Control Valve Assy excavator part for Hitachi. The control valve is the core control component of the excavator hydraulic system. It is mainly responsible for controlling the flow, direction and pressure of hydraulic oil, reasonably distributing hydraulic power to actuators such as boom, arm, bucket, swing and travel, so as to realize precise control of digging, lifting, rotating, traveling and other actions, while ensuring smooth, coordinated and safe operation of all movements.