Parallel or serial-parallel type of distribution. A-B ports of 3/4 G. and P-R ports of 1 G. Diameter of spool 22 mm and stroke 9 mm, actuating system by hydraulic, pneumatic, electrical pilot, or by means of manual lever. A great variety of auxiliary valves exists, fact that allows to adapt itself to the required needs by any type of installation. More information in the attached catalogue.