Six common hydraulic valves

Six common hydraulic valves：
1, the directional control valve: check valve, check valve, solenoid valve, hydraulic valve, hydraulic valve, manual valve, directional control valve other varieties;
2, the pressure control valve: relief, electromagnetic relief valve, unloading relief valve, valves, sequence valves, pressure switch, pressure gauge switches;
3, the flow control valve: throttle, throttle travel, control valve, shunt - flow valve and the like;
4, electro-hydraulic valve manifold
6, the logic valve5, the proportional control valve servo valve