Hydraulics and Pneumatics
A technician's and engineer's guide
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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