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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