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CONTROL VALVE HANDBOOK - Emerson Electric

CONTROL VALVE . HANDBOOK . Fifth Edition Emerson Automation Solutions Flow Controls Marshalltown, Iowa 50158 USA. Sorocaba, 18087 Brazil Cernay, 68700 France Dubai, United Arab Emirates Singapore 128461 Singapore Neither Emerson , Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. 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.

5.1.6 Face-to-Face Dimensions for Separable Flange, Globe-Style Valves ..... 93 5.1.7 Face-to-Face Dimensions for Flanged and Flangeless Rotary Valves ..... 93 5.1.8 Face-to-Face Dimensions for Single Flange and Flangeless Butterfly Valves..... 94 5.1.9 Face-to-Face Dimensions for High-Pressure, Offset ...

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Transcription of CONTROL VALVE HANDBOOK - Emerson Electric

1 CONTROL VALVE . HANDBOOK . Fifth Edition Emerson Automation Solutions Flow Controls Marshalltown, Iowa 50158 USA. Sorocaba, 18087 Brazil Cernay, 68700 France Dubai, United Arab Emirates Singapore 128461 Singapore Neither Emerson , Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. 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.

2 All sales are governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice. Fisher is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners. 2005, 2019 Fisher Controls International LLC. All rights reserved. D101881X012/ Sept19. Preface CONTROL valves are an increasingly vital component of modern manufacturing around the world. Properly selected and maintained CONTROL valves increase efficiency, safety, profitability, and ecology.

3 The CONTROL VALVE HANDBOOK has been a primary reference since its first printing in 1965. This fifth edition presents vital information on CONTROL VALVE performance and the latest technologies. Chapter 1 offers an introduction to CONTROL valves , including definitions for common CONTROL VALVE and instrumentation terminology. Chapter 2 develops the vital topic of CONTROL VALVE performance. Chapter 3 covers VALVE and actuator types. Chapter 4 describes digital VALVE controllers, analog positioners, boosters, and other CONTROL VALVE accessories. Chapter 5 is a comprehensive guide to selecting the best CONTROL VALVE for an application. Chapter 6 addresses the selection and use of special CONTROL valves . Chapter 7 explains desuperheaters, steam conditioning valves , and turbine bypass systems.

4 Chapter 8 details typical CONTROL VALVE installation and maintenance procedures. Chapter 9 contains information on CONTROL VALVE standards and approval agencies across the world. Chapter 10 identifies isolation valves and actuators. Chapter 11 covers discrete automation. Chapter 12 discusses various process safety instrumented systems. Chapter 13 provides useful tables of engineering reference data. Chapter 14 includes piping reference data. Chapter 15 is a handy 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.

5 Table of Contents CONTROL VALVE HANDBOOK | Table of Contents Chapter 1: Introduction to CONTROL 14. What is a CONTROL VALVE ?..15. Sliding-Stem CONTROL VALVE Rotary CONTROL VALVE CONTROL VALVE Functions and Characteristics Terminology 23. Process CONTROL Chapter 2: CONTROL VALVE 32. Process 35. Causes of Effects of Performance Actuator and Positioner 37. VALVE Response 38. Dead Dynamic Supply Minimizing Dead VALVE Response VALVE Type and 41. Installed Loop Process VALVE 45. Economic Chapter 3: VALVE and Actuator 50. CONTROL VALVE Globe 51. Single-Port VALVE Post- and Port-Guided VALVE Cage-Style VALVE Double-Ported VALVE Three-Way VALVE Sanitary 54. Rotary 54. Butterfly VALVE Segmented Ball VALVE 5. CONTROL VALVE HANDBOOK | Table of Contents High-Performance Butterfly VALVE Eccentric Plug VALVE Full-Port Ball VALVE Multi-Port Flow CONTROL VALVE End Screwed Pipe 57.

6 Bolted Gasketed 58. Welded End 58. Other VALVE End 59. VALVE Body Extension 60. Bellows Seal 61. CONTROL VALVE PTFE 62. Laminated and Filament 62. Regulatory Requirements for Fugitive 62. Global Standards for Fugitive 63. Single PTFE V-Ring 65. ENVIRO-SEAL PTFE 65. ENVIRO-SEAL Duplex 67. ISO-Seal PTFE 67. ENVIRO-SEAL Graphite 67. HIGH-SEAL Graphite 67. ISO-Seal Graphite 67. ENVIRO-SEAL Graphite for Rotary 67. Graphite Ribbon for Rotary 67. Sliding-Stem Environmental Packing 67. Rotary Environmental Packing 69. Characterization of Cage-Guided VALVE VALVE Plug Restricted-Capacity CONTROL VALVE Diaphragm 71. Piston 72. Rack-and-Pinion 73. Electric 73. Chapter 4: CONTROL VALVE 74. Environmental & Application Pneumatic 75. 6. CONTROL VALVE HANDBOOK | Table of Contents Analog I/P 76.

7 Digital VALVE 77. Two-Way Digital I/P Volume Safety Instrumented Systems (SIS)..80. Partial Stroke 80. Position Limit Solenoid Trip Chapter 5: CONTROL VALVE 86. CONTROL VALVE dimensions ..88. Face-to-Face dimensions for Flanged, Globe-Style 88. Face-to-Face dimensions for Butt Weld-End, Globe-Style valves 90. Face-to-Face dimensions for Socket Weld-End, Globe-Style valves 91. Face-to-Face dimensions for Screwed-End, Globe-Style valves 92. Face-to-Centerline dimensions for Raised-Face, Globe-Style Angle valves 92. Face-to-Face dimensions for Separable flange , Globe-Style valves 93. Face-to-Face dimensions for Flanged and Flangeless Rotary valves 93. Face-to-Face dimensions for Single flange and Flangeless Butterfly valves 94. Face-to-Face dimensions for High-Pressure, Offset Butterfly valves 94.

8 CONTROL VALVE Seat Leakage Class VI Maximum Seat Leakage CONTROL VALVE Flow Flow 96. Selection of Flow 97. VALVE Equation Constants ..99. Sizing valves for Determining Piping Geometry Factor and Liquid Pressure-Recovery Factor 100. Determining the Pressure Drop to Use for 101. Calculating the Required Flow 101. Liquid Sizing Sample 102. Sizing valves for Compressible Determining Piping Geometry Factor and Pressure Drop Ratio Factor at Choked Flow 105. 7. CONTROL VALVE HANDBOOK | Table of Contents Determining Pressure Drop Ratio to Use for Sizing and Expansion Factor 105. Calculating Flow 105. Compressible Fluid Sizing Sample Problem No. 106. Compressible Fluid Sizing Sample Problem No. 107. Representative Sizing Representative Sizing Coefficients for Single-Ported, Globe-Style valves 109.

9 Representative Sizing Coefficients for Rotary valves .. 110. Actuator Globe 111. Unbalance Force to Provide Seat Packing Additional Actuator Force 114. Actuator Sizing for Rotary Torque 114. Breakout 114. Dynamic 114. Typical Rotary VALVE Torque Torque Factors for V-Notch Ball VALVE with Composition Seal 115. Torque Factors for Butterfly VALVE with Composition 115. Maximum Cavitation and Choked Flow Causes Flashing and 116. VALVE Selection for Flashing 117. VALVE Selection for Cavitation 118. Noise 118. 120. Noise Noise Packing Packing Selection Guidelines for Sliding-Stem 125. Packing Selection Guidelines for Rotary 126. VALVE Body Designations for Common VALVE Body 129. Pressure-Temperature Standard Class ASTM A216 Grade WCC Cast 130.

10 Standard Class ASTM A217 Grade WC9 Cast 131. Standard Class ASTM A351 Grade CF3 Cast 132. Standard Class ASTM A351 Grades CF8M and CG8M valves 133. 8. CONTROL VALVE HANDBOOK | Table of Contents Non-Metallic Material Non-Destructive Test Magnetic Particle (Surface) 135. Liquid Penetrant (Surface) 136. Radiographic (Volumetric) 136. Ultrasonic (Volumetric) 136. Chapte 6: Special CONTROL 138. High-Capacity CONTROL Low-Flow CONTROL High-Temperature CONTROL Cryogenic Service valves Subjected to Cavitation and Fluids with Particulate 141. Customized Characteristics, Noise-Abatement, and Cavitation-Mitigation CONTROL valves for Nuclear Service in the valves Subjected to Sulfide Stress Pre-2003 Revisions of NACE 143. NACE MR0175/ISO 144. NACE 145.


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