Types,purpose,working principle,diagram and trouble shooting of direction control valve in Hydraulic system.

Purpose of Direction control valve in hydraulic system

DCV are used to control the actuators.For example-Forward and reverse movement of piston can be controlled by DCV.

Direction control valve can be divided into two types

  • Sliding spool type
  • Rotary spool type
  • Ball type

Sliding spool type valve

In this valve a cylindrical spool move forth and back to open or close the path.

Rotary spool type valve

It consists a rotor which connect and disconnect the path or ports.

Ball type valve

A ball will open and close the ports or path.

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