Q22HD-15 20 50 Right Angle Water valve manufacturers supply steam valve gas fluid control valves

Fluid control valve is a device used to regulate or cut off fluid flow, its working principle is based on the movement of the spool or valve plate to change the opening or closing degree of the valve, so as to achieve accurate control of fluid flow, pressure, temperature or level.

Specifically, the fluid control valve receives a signal from the control system (such as a current or voltage signal), which is converted to the opening signal of the valve by a signal converter, and then the valve spool or valve plate is moved by an actuator (such as an electric actuator or a manual regulating mechanism). The movement of the spool changes the flow area inside the valve, thereby regulating the amount of fluid or pressure passing through the valve.

In fluid control valves, different types of valves have different working principles. For example, a cut-off valve prevents fluid from passing through by sealing between the spool and the seat; The regulating valve adjusts the fluid flow or pressure by changing the spool position; The electric valve uses a motor or an electromagnet to drive the spool to achieve control.