文档介绍：CONTROL VALVE
HANDBOOK
Fourth Edition
NORTH AMERICA
Emerson Process Management
Marshalltown, Iowa 50158 USA T 1 (641) 754−3011
F 1 (641) 754−2830
her
LATIN AMERICA
Emerson Process Management Sorocaba, Sao Paulo 18087 Brazil T +(55)(15)238−3788
F +(55)(15)228−3300
her
EUROPE
Emerson Process Management
Cernay 68700 France
T +(33) (0)3 89 37 64 00
F +(33) (0)3 89 37 65 18
her
MIDDLE EAST & AFRICA
Emerson FZE
Dubai, United Arab Emirates
T +971 4 883 5235
F +971 4 883 5312
her
ASIA PACIFIC
Emerson Process Management
Singapore 128461 Singapore
T +(65) 6777 8211
F +(65) 6777 0947
her
Fisher is a mark owned by Fisher Controls International LLC, a member of the Emerson Process Management business division of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.
Neither Emerson, Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection, use and maintenance of any product. Responsibility for the selection, use and maintenance of any product remains with the purchaser and end-user.
Printed in .
Fisher Controls International LLC 2005
D101881X012
ii
Preface to Fourth Edition
Control valves are an increasingly ponent of modern manufacturing around the world. Properly selected and maintained control valves increase efficiency, safe- ty, profitability, and ecology.
The Control Valve Handbook has been a primary reference since its first printing in
1965. This fourth edition prese