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Valve & Control Valve Masterclass: Design Selection & Sizing

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Everything you need to know to design select size operate & maintain your valves actuators positionners & more...


1. Valves functions and basic parts
  • 1. Valves functions and basic parts Learning objectives
  • 2. Introduction
  • 3. Valve body
  • 4. Valve bonnet
  • 5. Valve trim
  • 6. Disk and seat
  • 7. Stem
  • 8. Valve actuator
  • 9. Valve packing
  • 10. Introduction to the types of valves
  • 11. Before you proceed to the next section
  • 12. Test your knowledge.html

  • 2. Types of valves
  • 1. Types of valves Learning objectives
  • 2. Gate valves
  • 3. Gate valves 3D dismantling
  • 4. Gate valves 2D dismantling
  • 5. Gate valves Disk design
  • 6. Gate valves Stem design
  • 7. Gate valves Seat design
  • 8. Globe valves
  • 9. Globe valves 3D dismantling
  • 10. Globe valves 2D dismantling
  • 11. Globe valves Z-body design
  • 12. Globe valves Y-body design
  • 13. Globe valves Angle design
  • 14. Globe valves Disk design
  • 15. Globe valves Disk - Stem connections
  • 16. Globe valves Seat design
  • 17. Globe valves Direction of flow
  • 18. Ball valves
  • 19. Ball valves Components
  • 20. Ball valves 3D dismantling
  • 21. Ball valves 2D dismantling
  • 22. Ball valves Actuators
  • 23. Ball valves Pros & Cons
  • 24. Ball Valves Port pattern
  • 25. Ball valves Valve materials
  • 26. Ball valves Stem design
  • 27. Ball valves Valve position
  • 28. Plug valves
  • 29. Plug valves Valve components
  • 30. Plug valves 3D dismantling
  • 31. Plug valves 2D dismantling
  • 32. Plug valves Numerous designs
  • 33. Plug valves Plug designs
  • 34. Plug valves Multiport plug designs
  • 35. Plug valves Lubricated design
  • 36. Plug valves Non-Lubricated design
  • 37. Plug valves Gland design
  • 38. Diaphragm valves
  • 39. Diaphragm valves 3D dismantling
  • 40. Diaphragm valves 2D dismantling
  • 41. Diaphragm valves Straight through & weir types
  • 42. Diaphragm valves Diaphragm construction
  • 43. Diaphragm valves Bonnet design
  • 44. Pinch valves
  • 45. Pinch valves Body design
  • 46. Butterfly valves
  • 47. Butterfly valves 3D dismantling
  • 48. Butterfly valves Seat design
  • 49. Butterfly valves Disk & Stem assembly
  • 50. Needle valves
  • 51. Needle valves 3D dismantling
  • 52. Needle valves Valve applications
  • 53. Needle valves Body design
  • 54. Needle valves Stem packing
  • 55. Check valves
  • 56. Check valves Swing
  • 57. Swing check valves 3D dismantling
  • 58. Swing check valves 2D dismantling
  • 59. Assembling a swing check valve - 3D model
  • 60. Tilting disk check valves
  • 61. Lift check valves
  • 62. Lift check valves 3D dismantling
  • 63. Lift check valves 2D dismantling
  • 64. Piston check valves
  • 65. Butterfly check valves
  • 66. Stop check valves
  • 67. Before you proceed to the next section
  • 68. Test your knowledge.html

  • 3. Safety and Pressure Relief Valves - Design fundamentals
  • 1. Pressure Relief Valves Introduction
  • 2. Types of devices
  • 3. Useful terminologies
  • 4. Relief and Safety valves
  • 5. Safety valves
  • 6. Safety valves Pressure setting
  • 7. Safety valves 3D dismantling
  • 8. Safety valves 2D dismantling
  • 9. Relief valves
  • 10. Relief valves Valve operation in 2D cross-sectional view
  • 11. Relief valves 3D dismantling
  • 12. Relief valves 2D dismantling
  • 13. More on spring loaded design
  • 14. More on spring loaded design 3D animation
  • 15. Material of construction
  • 16. Back pressure considerations
  • 17. Dynamic back pressure (built-up back pressure)
  • 18. Seat leakage
  • 19. Testing safety valves with air or nitrogen
  • 20. Before proceeding to the next section
  • 21. Test your knowledge.html

  • 4. Steam traps
  • 1. Overview of steam traps
  • 2. Floating traps
  • 3. Thermostatic traps
  • 4. Thermodynamic traps
  • 5. Inverted bucket traps
  • 6. Before you proceed to the next section
  • 7. Test your knowledge.html

  • 5. Strainers
  • 1. Overview
  • 2. Wye strainers
  • 3. Basket strainers
  • 4. Before you proceed to the next section
  • 5. Test your knowledge.html

  • 6. Control valves
  • 1. Control valves overview
  • 2. Control valves Trim arrangement
  • 3. Control valves Direction of action
  • 4. Control valves 3D dismantling
  • 5. Control valves 2D dismantling
  • 6. Before you proceed to the next section
  • 7. Test your knowledge.html

  • 7. General considerations
  • 1. General considerations Introduction
  • 2. Two-port valves
  • 3. Shut-off tightness
  • 4. Balanced single seat
  • 5. Slide valves - Spindle operated
  • 6. Rotary valves
  • 7. Options
  • 8. Two-port valves summary
  • 9. Three-port valves
  • 10. Process examples of three-port valves
  • 11. Before you proceed to the next section
  • 12. Test your knowledge.html

  • 8. Control valve capacity
  • 1. Introduction
  • 2. Valve flow coefficient Cv
  • 3. Use of flow coefficient Cv for piping and components
  • 4. Before you proceed to the next section
  • 5. Test your knowledge.html

  • 9. Control valve characteristics
  • 1. Flow characteristics
  • 2. Fast opening
  • 3. Linear
  • 4. Equal percentage
  • 5. Example Determining flowrate for different valve lifts
  • 6. Matching the valve characteristic to the process
  • 7. Example A water circulating heating system
  • 8. Example A boiler water level control system
  • 9. Example Constructing the installation curve
  • 10. Example Comparing linear and equal percentage
  • 11. Example Temperature control of a steam application
  • 12. Example The effect of selecting a control valve larger than necessary
  • 13. Before you proceed to the next section
  • 14. Test your knowledge.html

  • 10. Control valves, actuators and positioners for continuous control action
  • 1. Introduction
  • 2. Piston actuators
  • 3. Piston actuators (double acting) - 3D animation
  • 4. Piston actuators (single acting) - Dismantling
  • 5. Diaphragm actuators
  • 6. Actuator valve combinations
  • 7. Effect of differential pressure on the valve lift
  • 8. What are valve positioners
  • 9. Force balance positioners
  • 10. Motion balance positioners
  • 11. Example of positioners
  • 12. Positioners What you should remember
  • 13. Positioners When should a positioner be fitted
  • 14. PP positioners
  • 15. IP positioners
  • 16. About IP converters
  • 17. Digital positioners
  • 18. Summary Selecting a pneumatic valve and actuator
  • 19. Before you proceed to the next section
  • 20. Test your knowledge.html

  • 11. Control valves, actuators and position indicators for OnOff control action
  • 1. Pneumatic actuators
  • 2. Example 1 Single acting spring return actuators Components & Operation
  • 3. Example 2 Single acting spring return actuators Components & Operation
  • 4. Example 3 Double acting actuators Components & Operation
  • 5. Example 4 Double acting actuators Components & Operation
  • 6. From single acting to double acting actuator
  • 7. From Fail Close (FC) to Fail Open (FO) - Scotch Yoke actuators
  • 8. From Fail Close (FC) to Fail Open (FO) - Rack and Pinion Actuators
  • 9. Rack and Pinion vs Scotch Yoke
  • 10. Valve position indication
  • 11. Before you proceed to the next section
  • 12. Test your knowledge.html

  • 12. Choices and selection
  • 1. What type of valves should be installed
  • 2. Test your knowledge.html

  • 13. Installation and commissioning
  • 1. Control valves
  • 2. Actuators
  • 3. Before proceeding to the next section
  • 4. Test your knowledge.html

  • 14. Valve sizing
  • 1. Introduction to valve sizing
  • 2. Before to start this part of the course
  • 3. Valve Sizing Spreadsheet

  • 15. Preliminaries
  • 1. Scope
  • 2. Introduction
  • 3. Useful terminology
  • 4. Pressure, Velocity and Energy profiles through valves
  • 5. Cavitation, Choked Flow and Flashing
  • 6. Before proceeding to the next section
  • 7. Test your knowledge.html

  • 16. Valve sizing for incompressible fluids (liquids)
  • 1. Non vaporizing liquids
  • 2. Sizing equations for turbulent flow
  • 3. Piping geometry factor Fp
  • 4. EXAMPLE #1 Sizing a valve for liquid propane
  • 5. Sizing equations for non turbulent flow
  • 6. More insights on non turbulent flow
  • 7. Determining the required flow coefficient Cv
  • 8. EXAMPLE #2 Sizing a valve for a laminar flow
  • 9. Predicting flow rate through valves
  • 10. EXAMPLE #3 Predicting flow rate through a valve for transient flow
  • 11. Predicting pressure drop through valves
  • 12. EXAMPLE #4 Predicting pressure drop for laminar flow
  • 13. Choked flow of vaporizing liquids
  • 14. Liquid critical pressure ratio factor FF
  • 15. Liquid pressure recovery factor FL (without fittings)
  • 16. Combined liquid pressure recovery factor FLP (with fittings)
  • 17. EXAMPLE #5 Predicting maximum flow through a valve
  • 18. Before proceeding to the next section
  • 19. Test your knowledge.html

  • 17. Valve sizing for compressible fluids (vapors and gases)
  • 1. Turbulent flow
  • 2. Expansion factor
  • 3. Choked flow
  • 4. Pressure drop ratio factor (without fittings)
  • 5. Pressure drop ratio factor (with fittings)
  • 6. Ratio of specific heats factor
  • 7. Compressibility factor
  • 8. EXAMPLE #6 Determining valve size and percent opening
  • 9. Before proceeding to the next section
  • 10. Test your knowledge.html

  • 18. Additional material (part 15) - Valve sizing for water systems
  • 1. Sizing for water Introduction
  • 2. Pumps
  • 3. Circulating system characteristics
  • 4. Actual performance
  • 5. Three-port valves
  • 6. Two-port valves
  • 7. Valve authority
  • 8. Before proceeding to the next section
  • 9. Test your knowledge.html

  • 19. Additional material (part 25) - Valve sizing for steam systems
  • 1. Sizing for steam Introduction
  • 2. Saturated steam flow through a control valve
  • 3. Critical pressure
  • 4. Noise
  • 5. Checking noise
  • 6. Erosion
  • 7. Sizing equations
  • 8. The concept of hunting
  • 9. The effect of hunting on a steam system
  • 10. Sizing globe valves
  • 11. Reminder
  • 12. EXAMPLE #7 Sizing a control valve for a steam heating application
  • 13. Sizing on an arbitrary pressure drop
  • 14. The higher the pressure drop the better
  • 15. EXAMPLE #8 Saturated steam for a critical pressure drop application
  • 16. EXAMPLE #9 Saturated steam for a NON-critical pressure drop application
  • 17. EXAMPLE #10 Finding the pressure drop across a control valve
  • 18. EXAMPLE #11 Superheated steam application
  • 19. Before proceeding to the next section
  • 20. Test your knowledge.html

  • 20. Additional material (part 35) - Flow of fluids through valves and fittings
  • 1. About this section
  • 2. Introduction
  • 3. Types of valves used in piping systems
  • 4. Types of fittings used in piping systems
  • 5. Pressure drop attributed to valves and fittings
  • 6. Relationship of pressure drop to velocity of flow
  • 7. Hydraulic resistance
  • 8. Causes of head loss in valves and fittings
  • 9. Equivalent length LD
  • 10. Resistance coefficient K
  • 11. Resistance coef. K for pipelines, valves and fittings in series and in parallel
  • 12. Flow coefficient Cv
  • 13. Use of flow coefficient Cv for piping and components
  • 14. Flow coefficient Cv for pipelines, valves and fittings in series and in parallel
  • 15. Valves with reduced seats
  • 16. PRACTICE SESSION Valve resistance coef. K using Flow of Fluids Excel Workbook
  • 17. Discharge of fluids through valves, fittings and pipe
  • 18. About the Flow of Fluids Excel Workbook

  • 21. Additional material (part 45) - Regulating flow with control valves
  • 1. About this section
  • 2. Introduction
  • 3. Valve components
  • 4. Inherent characteristic curve
  • 5. Installed characteristic curve
  • 6. Pressure, Velocity and Energy profiles through a control valve
  • 7. Cavitation, Choked Flow and Flashing
  • 8. Sizing and selection
  • 9. Sizing for INcompressible flow
  • 10. Sizing for compressible flow
  • 11. Conversion of Cv to Kv

  • 22. Additional material (part 55) - Valve symbols used in engineering drawings
  • 1. About this section
  • 2. Learning objectives
  • 3. Valve symbols
  • 4. Valve actuator symbols
  • 5. Control valve designations
  • 6. Standards and conventions for valve status

  • 23. Downloadable resources
  • 1.1 open me.zip
  • 1.2 Part1. How to find the right PRV.pdf
  • 1.3 Part1. PRV API+standardized+dimensions.pdf
  • 1.4 Part1. PRV Approval authorities.pdf
  • 1.5 Part1. PRV Codes and Standards.pdf
  • 1.6 Part1. PRV Determining set pressure using overpressure and MAAP.pdf
  • 1.7 Part1. PRV Mechanical components.pdf
  • 1.8 Part1. PRV Useful terminologies.pdf
  • 1.9 Part1. Valve+catalog.pdf
  • 1.10 part1. valve+resistance+coefficients.zip
  • 1.11 Part3. Valve Sizing Spreadsheet.xlsx
  • 1.12 Part3.+Compressibility+chart.pdf
  • 1.13 Part3.+Manufacturer+values+of+valve+capacity+factors+-+Courtesy+of+Jamesbury.pdf
  • 1.14 Part3.+Representative+values+of+valve+capacity+factors.pdf
  • 1.15 Part3.+Resistance+coefficients+for+valves+and+fittings.pdf
  • 1.16 Part3.+Summary+of+formulas.pdf
  • 1.17 Part3.+Useful+control+valve+terminologies.pdf
  • 1.18 Part3.+Valve+Reynolds+number+factor+FR.pdf
  • 1.19 Part4. P&ID+control+valve+designations.pdf
  • 1.20 Part4. P&ID+valve+actuator+symbols.pdf
  • 1.21 Part4. P&ID+valve+positioner+symbols.pdf
  • 1.22 Part4. P&ID+valve+symbols.pdf
  • 1.23 Part5. EXTRA. Flow+of+Fluids+Excel+Workbook.pdf
  • 1.24 Part5. EXTRA. HX+Excel+Workbook.pdf
  • 1.25 Part5. EXTRA. The+Chemical+Engineer+Reference+Folder.pdf
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