mobile crusher hydraulic system detailed work
Hydraulics and pneumatics The big . 20 03 2014 Both systems use valves to control the force and velocity of the actuators which are also similar to each motive The real difference between hydraulics and pneumatics is the medium itself Contrary to popular belief liquids are compressible For hydraulic oil a rule of thumb is that it will compress 0 5 for every 1000 psi that is exerted