Valvulas
HANDBOOK
Fourth Edition
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Printed in U.S.A.
EFisher Controls International LLC 2005
D101881X012
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Preface to Fourth Edition
Control valves are an increasingly vital component of modern manufacturing around
the world. Properly selected and maintained control valvesincrease efficiency, safety, profitability, and ecology.
The Control Valve Handbook has been a primary reference since its first printing in
1965. This fourth edition presents vital information on control valve performance and
the latest technologies.
D Chapter 1 offers an introduction to control valves including definitions for
common control valve and instrumentation terminology.
D Chapter 2develops the vital topic of control valve performance.
D Chapter 3 covers valve and actuator types.
D Chapter 4 describes digital valve controllers, analog positioners, boosters,
and other control valve accessories.
D Chapter 5 is a comprehensive guide to selecting the best control valve for
an application.
D Chapter 6 covers the selection and use of special control valves.
D Chapter 7covers desuperheaters, steam conditioning valves, and turbine
bypass systems.
D Chapter 8 offers typical control valve installation and maintenance procedures.
D Chapter 9 includes information on control valve standards and approval
agencies throughout the world.
D Chapter 10 offers useful tables of engineering reference data.
D Chapter 11 includes piping reference data.
D Chapter 12 is ahandy resource for common conversions.
The Control Valve Handbook is both a textbook and a reference on the strongest link
in the control loop: the control valve and its accessories. This book includes extensive and proven knowledge from leading experts in the process control field including contributions from the ISA and the Crane Company.
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Table of Contents
Chapter 1.Introduction to Control Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
What Is A Control Valve? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Process Control Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Sliding-Stem Control Valve Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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