Understanding Air Compressors – Part 2

Design of Industrial Hydraulic Systems in the SI Units By Joji Parambath The book describes the design aspects of hydraulic systems systematically. It highlights the essential parameters and specifications of hydraulic components in SI units. Design Concepts in Industrial Hydraulic Systems in the English Units By Joji Parambath Please click on the image links to... Continue Reading →

Understanding Air Compressors – Part 1

Bits and Pieces: Fluid Power Fact #4/1 Pneumatic Systems and Circuits -Basic Level in the SI Units By Joji Parambath The book describes the topics on compressed air generation and contamination control, pneumatic actuators, and control valves, in detail. Many single-actuator control circuits are presented. Further, the book presents the maintenance, troubleshooting, and safety aspects... Continue Reading →

Know the Difference between Gauge Pressure and Absolute Pressure

Bits and Pieces: Fluid Power Fact #3 Know the Difference between Gauge Pressure and Absolute Pressure Two pressure scales are utilized to measure pressure values in fluid power systems: a gauge scale and an absolute scale. The gauge pressure is the pressure indicated by a pressure gauge. It is a measure of the pressure with... Continue Reading →

What is the Most Economical Pressure in Pneumatics?

Bits and Pieces - Fluid Power Fact #1: What is the Most Economical Pressure in Pneumatics? Pneumatic systems have been developed and progressed comparatively as a low-pressure system. Pneumatic air consuming devices such as cylinders and rotary actuators are designed for the maximum operating pressure of 8 to 10 bar [115 to 145 psi]. However,... Continue Reading →

Hydraulic Fluid Contamination & its Control

Hydraulic fluids are subjected to various kinds of contamination (particles, water, air, compounds, and biological matters). Contaminants can affect the physical and chemical properties of fluids. If the contaminants are not monitored or controlled, the fluid is likely to be subjected to various kinds of failures. A complete range of 32 textbooks, in Paperback &... Continue Reading →

How to Develop Multiple-actuator Pneumatic Circuits Using the Cascade Method?

Most of the practical pneumatic systems involve the use of multiple actuators (cylinders, semi-rotary actuators, etc) which when operating in specified sequences carry out the desired control tasks. Double-pilot directional control (DC) valves are used as final control elements to control the forward and return strokes of the actuators. Sensors are used for confirming the... Continue Reading →

Pressure Control Valves in Hydraulic Systems

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.  Pressure control valves can be categorized... Continue Reading →

Hydraulic Filters

For more details, please read our publication: 'Hydraulic Filters: Construction, Installation Locations, and Specifications' Hydraulic Filters: Construction, Installation Locations, and Specifications The article explains the constructional features,  location-specific installation details, and performance specifications of hydraulic filters.  Introduction Modern high-pressure hydraulic systems with components built to closer tolerances are susceptible to many types of contamination. Contaminants... Continue Reading →

Load Sensing Hydraulic Systems

Textbook on ‘Load Sensing Hydraulic Systems in the SI Units’ By Joji Parambath The textbook presents information on the classification, constructional features, working, and essential terms and definitions, sizing, and safety and maintenance aspects of hydraulic accumulators. The book uses the SI system of units. Textbook on ‘Concepts of Load Sensing Hydraulic Systems in the... Continue Reading →

Electro-hydraulic Servo Valve Systems

[ You may download this article at: https://fluidsys.org/downloads/ ] Hydraulic systems driven by servo valves provide highly accurate control over enormous forces. A servo valve system consists of a transducer, a servo amplifier, a servo valve, and an actuator with a connected load. It is a closed-loop system used for the precise control of the... Continue Reading →

A Smart Narrative by a Hydraulic Maintenance Technician

Hi friends, I introduce myself as a 'hydraulic maintenance technician'. At this point, I stand in front of you to describe my work of maintaining hydraulic machinery and systems for my company. To simplify things, however, I restrict myself the scope of my description to the maintenance and troubleshooting tasks of just one hydraulically-operated machine.... Continue Reading →

Five Typical Applications of Hydraulics

The use of fluid power is widespread in many stationary and mobile applications. Many of the operators, technicians, and engineers are not well-versed of the operational, maintenance, and safety aspects of fluid power. Therefore, a systematic training is essential for them to handle fluid power systems.  Courtesy: Bosch Rexroth Corporation, USA The modern hydraulic technology... Continue Reading →

Fluid Power – Fascinating Points (#1)

Fluid power provides the muscle for various work operations involved in stationary as well as mobile applications. As we can see, the use of fluid power is widespread in many applications. Many of the operators, technicians, and engineers are ignorant of the operational, maintenance, and safety aspects of fluid power. Therefore, proper training is essential... Continue Reading →

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