Introduction to Hydraulic Circuits

Hydraulic circuits are pivotal components in various mechanical systems. They use the pressurized fluids to generate, control, and transmit power. Distinct types of hydraulic circuits are employed in various applications based on their design and functionality. In this article, we will be focusing on explaining this vital mechanical system and how LW hydraulics come into play.

Fundamentals of Hydraulic Circuits

A hydraulic circuit is essentially an interconnected assembly of tanks, pumps, valves, and pipes that allow for the direction of fluid flow. The foundational objective of these circuits is to generate power, and subsequently direct it to achieve the desired operational function. The working of hydraulic circuits revolves around Pascal’s law, which states that a change in pressure at any point in a confined fluid is transmitted undiminished throughout the fluid.

Elements of a Hydraulic Circuit

The basic components involved in a hydraulic circuit include the reservoir, pump, directional control valve, pressure control valve, and actuator. The reservoir stores the fluid. The pump is responsible for converting mechanical energy into hydraulic energy by forcing the fluid from the reservoir into the system under high pressure. The directional control valve, as the name suggests, controls the direction of the fluid within the system. The pressure control valve manages the pressure of the fluid, and the actuator converts hydraulic energy back into mechanical to carry out the operational function. All these elements together form a hydraulic circuit.

Role of LW Hydraulics

In the realm of hydraulic circuits, the phrase LW hydraulics pertains to the lightweight hydraulic components that have been specifically designed to be energy-efficient and highly versatile. These components, despite their small size and light weight, are extremely powerful and can easily integrate into compact spaces, making them desirable for many industrial applications. Be it in construction machinery, marine applications, mining, or agriculture, LW hydraulics offer optimal performance while keeping energy consumption low.

Types of Hydraulic Circuits

There are different types of hydraulic circuits depending on the application, such as open center circuit, closed center circuit, series circuit, parallel circuit, and a hybrid that’s a combination of series and parallel circuit.


The domain of hydraulic circuits is a broad, fascinating one. It requires an understanding of fundamental physics and engineering principles. From controlling the flight of an airplane to manipulating an industrial machine, hydraulic circuits are in action. Through continual advancements and development of technology, components like the LW hydraulics have made significant contributions to the realm of hydraulic circuits, enhancing their efficacy, controlling power, and broadening their applicability across various industries.

August 1, 2020 · Hydraulic Equipment · (No comments)

byAlma Abell

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