Hydraulic Control Valves

Provided by: ToolingU

"Hydraulic Control Valves" describes the three main types of control valves and their functions in a hydraulic system. Control valves control the direction, pressure, and flow rate of fluid as it moves through a hydraulic system. The proper placement of control valves contributes to the overall effectiveness of a hydraulic circuit. Hydraulic system operators use schematic diagrams when studying hydraulic circuits and control valves. Schematic diagrams include symbols for control valves and other system components. Understanding the functions of each type of hydraulic control valve and their proper placement within a hydraulic circuit helps ensure that a hydraulic system produces usable power. After taking this class, users will understand the main types of hydraulic control valves and their various functions. Users will also be able to identify schematic symbols for common control valves.

Course Objectives:

  • Describe the function of hydraulic control valves
  • Distinguish between the three types of hydraulic control valves
  • Distinguish between methods of control valve actuation
  • Distinguish between types of direct-operated check valves
  • Describe pilot-operated check valves
  • Describe three-port and four-port valves
  • Describe schematic symbols for directional control valves
  • Describe direct-operated relief valves
  • Describe pilot-operated relief valves
  • Describe sequence valves
  • Describe pressure reducing valves
  • Describe schematic symbols for pressure control valves
  • Describe nonpressure-compensated flow control valves
  • Describe pressure-compensated and temperature-compensated flow control valves
  • Describe schematic symbols for flow control valves.

Recommended Background

  • Recommended for mechanical/electrical/plumbing maintenance technicians.

Course ID







Communication, Critical Thinking, Personal Effectiveness, Fluid Power, Control Values

Method of Delivery


Estimated Effort

2.5 hrs



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