Comment fonctionne un distributeur 4/3 centre fermé : formation hydraulique

Find the course: http://hydraulique.e-monsite.com/page... Find other courses: http://hydraulique.e-monsite.com/page... Visit the website: http://hydraulique.e-monsite.com/ Other videos: https://www.youtube.com/channel/UCHGP... Contact: http://hydraulique.e-monsite.com/cont... Ask a question on the forum: http://hydraulique.e-monsite.com/forum/ Free hydraulic training How does a closed-center, on-off 4/3 valve work? A written course is available on the website. 1- Distributors Distributors are used to direct oil to the receivers (cylinders, motors, etc.). There are two types of distributors. Poppet valves: These have the particularity of being watertight. However, their number of positions remains limited. (will be covered in a future fact sheet) Spool valves: They can be 3/2, 4/3, or 6/3, etc. However, they are not watertight. Distributed valves can be: Electric Hydraulic Pneumatic Manual (pedal, lever, cable, etc.) The controls can be: On/Off (ON/OFF) Or proportional. The 4/3 type valve (4 ports and 3 positions) can be: Open center from A and B to T (called Y center or inverted chair) (see fact sheet No. 18) Closed center Open center from P to T (called tandem center) (will be covered in a future fact sheet) Open center (called H center) (will be covered in a future fact sheet) #HydraulicsTraining #HydraulicsCourse #HydraulicDistributor