Directional spool valves type 4WE06 (electrically operated)
are intended for change in direction of fluid flow in a hydraulic
system and thus it allows to change direction of movement of
a receiver mostly piston rod of a cylinder or hydraulic motor
as well to use functions: on and off.
These directional spool valves are used for subplate mounting in any position
in a hydraulic system.
Hydraulic valves – Dubai – United Arab Emirates