Hydraulics and Pneumatics

Hydraulics and Pneumatics

A technician's and engineer's guide

1st Edition - January 14, 1991

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  • Author: Andrew Parr
  • eBook ISBN: 9781483102382

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Description

Hydraulics and Pneumatics: A Technician's and Engineer's Guide provides an introduction to the components and operation of a hydraulic or pneumatic system. This book discusses the main advantages and disadvantages of pneumatic or hydraulic systems. Organized into eight chapters, this book begins with an overview of industrial prime movers. This text then examines the three different types of positive displacement pump used in hydraulic systems, namely, gear pumps, vane pumps, and piston pumps. Other chapters consider the pressure in a hydraulic system, which can be quickly and easily controlled by devices such as unloading and pressure regulating valves. This book discusses as well the importance of control valves in pneumatic and hydraulic systems to regulate and direct the flow of fluid from compressor or pump to the various load devices. The final chapter deals with the safe-working practices of the systems. This book is a valuable resource for process control engineers.

Table of Contents


  • Preface

    1 Fundamental Principles

    Industrial Prime Movers

    A Brief System Comparison

    An Electrical System

    A Hydraulic System

    A Pneumatic System

    A comparison

    Definition of Terms

    Mass and Force

    Pressure

    Work, Energy and Power

    Torque

    Pascal's Law

    Pressure Measurement

    Fluid Flow

    Temperature

    Temperature Scales

    Temperature Measurement

    Gas Laws

    2 Hydraulic Pumps and Pressure Regulation

    Pressure Regulation

    Pump Types

    Gear Pumps

    Vane Pumps

    Piston Pumps

    Combination Pumps

    Loading Valves

    Filters

    3 Air Compressors, Air Treatment and Pressure Regulation

    Compressor Types

    Piston Compressors

    Screw Compressors

    Rotary Compressors

    Dynamic Compressors

    Air Receivers and Compressor Control

    Air Treatment

    Stages of Air Treatment

    Filters

    Air Dryers

    Lubricators

    Pressure Regulation

    Relief Valves

    Non-Relieving Pressure Regulators

    Relieving Pressure Regulators

    Service Units

    4 Control Valves

    Graphic Symbols

    Types of Control Valve

    Poppet Valves

    Spool Valves

    Rotary Valves

    Pilot-Operated Valves

    Check Valves

    Pilot-Operated Check Valves

    Restriction Check Valves

    Shuttle and Fast Exhaust Valves

    Sequence Valves

    Time Delay Valves

    Servo Valves

    Modular and Cartridge Valves

    5 Actuators

    Linear Actuators

    Construction

    Mounting Arrangements

    Cylinder Dynamics

    Seals

    Rotary Actuators

    Constructional Details

    Application Notes

    Speed Control

    Actuator Synchronisation

    Regeneration

    Counterbalance and Dynamic Braking

    Pilot-Operated Check Valves

    Pre-Fill and Compression Relief

    6 Hydraulic and Pneumatic Accessories

    Hydraulic Reservoirs

    Hydraulic accumulators

    Hydraulic Coolers and Heat Exchangers

    Hydraulic Fluids

    Pneumatic Piping, Hoses and Connections

    Hydraulic Piping, Hosing and Connections

    7 Process Control Pneumatics

    Signals and Standards

    The Flapper-Nozzle

    Volume Boosters

    The Air Relay and the Force Balance Principle

    Pneumatic Controllers

    Process Control Valves and Actuators

    Flow Control Valves

    Actuators

    Valve Positioners

    Converters

    I-P Converters

    P-I Converters

    Sequencing Applications

    8 Fault-Finding and Maintenance

    Safety

    Cleanliness

    Fault-finding Instruments

    Fault-Finding

    Preventive Maintenance

    Index

Product details

  • No. of pages: 234
  • Language: English
  • Copyright: © Butterworth-Heinemann 1991
  • Published: January 14, 1991
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9781483102382

About the Author

Andrew Parr

Andrew Parr is an Industrial Control Engineer, recently retired from ASW Sheerness Steel, Sheerness, UK who worked in the steel industry for over thirty years. In 1980 he began specializing in sequence and closed loop control systems using Programmable Controllers (PLCs) with hydraulic and pneumatic actuators. He has written fifteen books on electronics and process control including Logic Designers Handbook, Industrial Control Handbook, Programmable Controllers, Control Engineering, along with many amateur- level books, among them Introduction to Operational Amplifiers. His books have been widely translated into many languages, including Japanese, Polish, and Swedish. He and has presented papers at various international conferences, including ones on “Automation Systems in the Steel Industry” and on “Automated Fault Diagnostics”.

Affiliations and Expertise

Former Industrial Control Engineer, Sheerness Steel, UK

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