Directional valves such as Parker Hannifin's B3G-Series threeway (left) and four-way valves are often used to control pneumatic operations.

Selecting and sizing a directional-control valve involves several criteria -- function, actuation, installation, and flow. Here's a closer look at factors that affect valve performance.

What are 3/2 valves? 3/2 valves or 3 port valves are directional control valves that manage the flow of compressed air in pneumatic systems. They work like a switch.

The paper investigates, by means of a 3D, steady-state, incompressible and isothermal CFD analysis, the influence of the notch shape and number on proportional directional control valves metering edge ...