Hydraulic section for load sensing applications and multiple hydraulic distributor

摘要

Hydraulic section (1) for use in a hydraulic distributor (10), comprising:
a valve body (2);
a main spool (3);
pressure compensator (5) housed in a first hole in the valve body (2);
a piston (11) housed in the first hole;
an intermediate chamber (16) in fluid communication with the feed line (Pal), the intermediate chamber (16) extending at least partially in the first hole and being delimited by the rod (12) of the piston (11);
two limiters (6, 7) and a drainage channel (18) pertaining to the intermediate chamber (16) for altering the pressure thereof and close the compensator (5).