Classification of flow control valves

The flow rate is adjusted by adjusting the area of ​​the orifice between the valve plug and the valve body and the local resistance generated by it to control the movement speed of the actuator. Flow control valves are divided into five types according to their use.

(1) Throttle valve: After setting the orifice area, the movement speed of the actuator that can make the load pressure change little and the movement uniformity is not high is basically kept stable.

(2) Speed ​​control valve: It can maintain the differential pressure at the inlet and outlet of the throttle valve when the load pressure changes. In this way, after the throttle orifice area is set, regardless of how the load pressure changes, the speed control valve can maintain the flow through the throttle valve unchanged, so that the actuator movement speed is stable.

(3) Diverter valve: Regardless of the size of the load, the equivalent flow can be equal to the two actuators of the same oil source. It is a proportional diverter valve or a synchronous valve;

(4) Collector valve: In contrast to the diverter valve, the flow to the manifold is proportionally distributed.

(5) Shunt manifold: It has two functions, diverter valve and manifold valve.