Relay-based Electro-hydraulic Systems

[You may download this article at: https://fluidsys.org/downloads/ ] In the electrical actuation of a hydraulic valve, the necessary actuating force is obtained electrically with the help of a solenoid. The off-centre core of the solenoid coil is pulled towards the centre of the coil when the electric current is passed through it. This discrete movement of the... Continue Reading →

Pressure Control Valves in Hydraulic Systems

[You may download this article at: https://fluidsys.org/downloads/ ] The article looks at the basics of pressure control valves for educational use and is presented here to refresh your memory. Hope you are able to recall the functions, circuits, and applications of pressure control valves. Pressure control valves are used in hydraulic systems for obtaining pressure-related control functions.... Continue Reading →

Hydraulic Filters

[You may download this article at: https://fluidsys.org/downloads/ ] The article explores the topic of hydraulic filters for educational use and is presented here to refresh your memory. Hope you are able to recall the constructional features, performance specifications, and location-based installation details of hydraulic filters quickly. Let us get down to the nitty-gritty of hydraulic filters… Introduction... Continue Reading →

Load Sensing Hydraulic Systems

[ You may download this article at: https://fluidsys.org/downloads/ ] A conventional hydraulic system with a fixed-displacement pump provides a constant flow through the system. When the system develops the set pressure, the pump flow is bypassed through the associated pressure relief valve. As a consequence, the system generates tremendous amount of heat. Even when a variable-displacement pump is... Continue Reading →

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