Information about Servo Valves

Servo valves (or servo valves) provide closed loop flow or pressure response to an electrical or electronic control signal. They can be infinitely positioned to control the amount, pressure and direction of fluid flow. The distinction between servovalves and proportional valves is inconsistently defined, but in general, servovalves provide a higher degree of closed-loop control. Both types of valve are used for control in pneumatics, hydraulics, gas, steam, water transport, and other specialized applications. In a conventional open-loop force control system, servovalves output pressure, which is applied to the hydraulic piston that drives the load. The controlled pressure may be the differential between the two sides of the load actuator or it may be the pressure in a single line connected to one side of the load actuator.

Products & Services Related to Servo Valves

Butterfly Valves

Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. They are normally used as throttling valves to control flow.

Check Valves

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves.

Globe Valves

Globe valves are linear motion valves with rounded bodies, from which their name is derived. They are widely used in industry to regulate fluid flow in both on/off and throttling service.

Needle Valves

Needle valves are small valves used for flow control in liquid or gas services. The fine threading of the stem and the large seat area allow for precise resistance to flow.

Pinch Valves

Pinch valves includes any valve with a flexible elastomer body that can be pinched closed, cutting off flow, using a mechanism or fluid pressure.

Solenoid Valves

Solenoid valves are devices that use a solenoid to control valve activation.

Solids Valves

Solids valves are used to control or regulate the flow of powder, granular and other bulk solid materials along a process line, or to and from process units, storage bins, conveyors and product packaging.