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Control Valves for the Chemical Process Industries

By (author) Bill Fitzgerald
Format: Hardback
Publisher: McGraw-Hill Education - Europe, New York, United States
Imprint: McGraw-Hill Inc.,US
Published: 1st Jan 1995
Dimensions: w 155mm h 229mm d 24mm
Weight: 680g
ISBN-10: 0070211760
ISBN-13: 9780070211766
Barcode No: 9780070211766
Synopsis
This text reviews the types, design and usage of control valves in the process industries. It also discusses factors such as sizing, materials construction, the type of chemical flowing through the valve and maintenance. Technologies that affect the usage of valves are also considered. A control valve is a valve which regulates the flow or pressure of a medium which affects some controlled process. Control valves are usually operated by some remote signals by independent devices using control mechanisms powered electronically, pneumatically or electro-hydraulically. The text demonstrates how control valves are integrated within the control loop and explains recently develop diagnostic techniques to help the engineer isolate and solve problems in particular elements. Guidelines based on valve dynamics are provided as a measure for loop tuning and maintenance for optimal performance.

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