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What is a Hydraulic System?

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What is hydraulics?

Hydraulic is the engineering science of liquid pressure and liquid flow.


How does a hydraulic system work?

The working principle of hydraulics refers to Pascal’s Law, which states: “Pressure applied to a confined fluid is transmitted equally in all directions.” This principle makes it possible to generate and transfer large amounts of energy with minimal effort.


What are the main components of a hydraulic system?

  1. Pump
    The pump functions to transfer fluid from one place to another by increasing the pressure of the fluid.
  2. Reservoir
    The reservoir functions to store hydraulic fluid, which serves as the driving medium for the hydraulic system.
  3. Control Valve
    Acts as the “brain” of the hydraulic system, controlling its operation by regulating the direction of fluid’s movement, pressure, and flow rate.
  4. Actuator
    Actuator converts hydraulic pressure into mechanical energy or motion.
  5. Hydraulic Fluid
    Hydraulic fluid or hydraulic oil serves as the medium for transmitting power throughout the system.
  6. Power Source (Prime Mover)
    The power source, which can be an electric motor or an engine, provides the mechanical energy to drive the pump.

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