Directional solenoid valves are devices used to control the direction of fluid flow within a system. They achieve this by opening, closing, or partially obstructing passageways in the valve. These ...

type of operation, e.g. electrical, pneumatical or manual. Directional control valves are often characterised by two numbers: the number of main ports followed by the number of switching positions.

This file type includes high resolution graphics and schematics when applicable. The images above are simple cross sections of a typical spool valve (left) and a poppet valve (right). (Courtesy of ...