Control Valve Sizing for Liquid Applications

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Amr Mohyeldin

3:31:00

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1 - Resistances in Series [OPTIONAL]

1 -Resistnaces in Series.mp4

08:53

2 -Pump Sizing Road Map.mp4

06:14

2 - Introduction to Control Valves [OPTIONAL]

1 -Flow Coefficient Cv.mp4

03:42

2 -Flow Coefficient Cv - viscosity and specific gravity correction.mp4

04:38

3 -Flow Coefficient Cv - capacity flowrate at different pressure drops.mp4

02:04

4 -Flow Coefficient Cv - Conversion to Resistance Coefficient K.mp4

01:07

5 -What is a Control Valve.mp4

04:43

6 -Inherit Valve Curve.mp4

05:43

7 -Inherit Valve Curve Example.mp4

01:53

8 -Valve Authority.mp4

04:06

3 - Valve Authority & Installed Characteristic Curve Impact on System Head Curve

1 -Valve Authority Definitions.mp4

05:18

2 -Installed Valve Characteristic Curve.mp4

11:34

3 -Example Installed Valve Characteristic & Valve Authority Curve.mp4

29:00

4 -Valve Authority and Characteristic Curve Takeaway.mp4

09:58

5 -Resistance Coefficient Expression For Different Valve Opening %.mp4

13:27

6 -System Head Curve at Different Operating Parameters.mp4

08:11

4 - Rangeability & Turndown

1 -Rangeability.mp4

13:26

2 -Example Rangeability.mp4

02:55

3 -Turndown.mp4

02:44

5 - Rules of Thumb For Sizing a Control Valve

1 -Rules of Thumb For Sizing a Control Valve.mp4

06:46

6 - Challenges With Sizing Control Valves

1 -Common Sizing Issues.mp4

04:42

2 -Cavitation and Flashing Introduction.mp4

10:15

3 -Methods to Detect Cavitation and Flashing.mp4

20:51

4 -Example Checking For Cavitation and Flashing.mp4

15:30

7 - Valve Selection Considerations

1 -Typical Parameters to Consider in Control Valve Selection.mp4

13:20

Description

Size and Select Control Valves Appropiately,Calculate Valve Authoirty, Turndown, Pressure Drop and Avoid Cavitation

What You'll Learn?

Size and Select Control Valves For Liquid Applications
Understand Valve Flow Coefficient (Cv), Flow Capacity at Different Pressure Drops, and Corrections for Viscosity and Specific Gravity
Convert Valve Flow Coefficient (Cv) to Resistance Coefficient (K)
Analyze Inherent Valve Characteristic Curves With Examples
Differentiate Between Inherent Valve Characteristics and Installed Valve Characteristic Curves
Assess Control Valve Authority and Its Impact on Pressure Drop and System Head Curves
Evaluate the Relationship Between Control Valve Open Percentage and System Head Curves
Analyze the Impact of Control Valve and Operational Parameters on System Head Curves in Pump Applications
Understand Control Valve Rangeability, Turndown Ratio, and Their Impact on Control Valve Sizing With Examples
Apply Control Valve Sizing Heuristics Effectively
Learn Reasons for Common Control Valve Sizing Issues Like Cavitation and Flashing
Learn and Apply Equations to Figure if Cavitation or Flashing Exists in Control Valves
Work Through an Example to Check for Cavitation and Flashing in Control Valves
Learn Additional Parameters for Selecting the Appropriate Control Valve

Who is this for?

Engineers In-Training, Recent College graduates, Engineering Students

Chemical, Process, Petroleum Engineers

Piping, Plant Engineers

Mechanical Engineers

Design Engineers

Maintenance Technicians

Plant Operators

Civil Engineers

Safety Engineers

What You Need to Know?

A basic understanding of the pump head equation, the ability to plot system head curves, and knowledge of adding resistances in series using resistance coefficients for common piping elements such as piping, elbows, and tees (See Course: Pipe Sizing & Modeling Piping Systems for Liquids).

More details

Description
Chapter 1: Resistances in Series
Introduction to Resistances in Series
Pump Sizing Roadmap
Chapter 2: Valves
Flow Coefficient (Cv)
Cv Corrections for Viscosity and Specific Gravity
Cv and Flow Capacity at Different Pressure Drops
Converting Cv to Resistance Coefficient (K)
Inherent Valve Curve
Example of Inherent Valve Curve
Introduction to Valve Authority
Chapter 3: Valve Authority & Installed Characteristic Curve
Reviewing Valve Authority Definitions
Valve Authority vs System Head Plot
Inherent vs Installed Characteristic Curve
Example: Estimating Pump Curve, System Curve, Valve Authority, and Installed Valve Characteristic Curve at Different Valve Openings
Expressing Valve Open Percentage vs System Head Mathematically
Impact of Operating Parameters on System Head Curve
Chapter 4: Rangeability & Turndown
Valve Rangeability
Example of Valve Rangeability
Valve Turndown
Chapter 5: Rules of Thumb for Sizing a Valve
Key Rules of Thumb for Valve Sizing: Includes Heuristics for Different Valve Openings at Different Operating Flowrates, Liquid Velocity, and Recommended Control Valve Pressure Drop
Chapter 6: Challenges With Sizing Valves
Common Sizing Issues
Cavitation and Flashing: What Are They, Why Are They a Problem, and How to Check if They Are Present
Example of Checking for Cavitation and Flashing in a Control Valve
Chapter 7: Valve Selection Considerations
Valve Selection Considerations: Includes a High-Level Guide on the Typical Parameters Required for Selecting a Control Valve
Who this course is for:
Engineers In-Training, Recent College graduates, Engineering Students
Chemical, Process, Petroleum Engineers
Piping, Plant Engineers
Mechanical Engineers
Design Engineers
Maintenance Technicians
Plant Operators
Civil Engineers
Safety Engineers

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Oil and Gas Industry

Amr Mohyeldin

Instructor's Courses

Results-driven process engineer with 5 years in designing, commissioning, and operating pilot plants and R&D scale-up technologies. Provided engineering services to projects in the petrochemical, clean-tech, pulp and paper, and plastics industries. Skilled in performing simulations and designing equipment, creating P&IDs, PFDs, cause and effect matrices, control narratives, mass and energy balances, and conducting hydraulic and ASPEN modeling analysis.Passionate about teaching chemical engineering and bridging the gap between academia and real life through solving real-life case studies with students.

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