Parallel type of distribution. A-B ports of 3/8” G., P of 1/2” G. and R of 3/4” G. for the 504 model, and A-B and P ports of 1/2” G. and R of 3/4” G. for the 1504 model. Diameter of spool 16 mm and stroke 6 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.