When you complete this lesson, you will be able to explain the basic design and function of valves, major valve components, and flow control elements.
• Discuss the overall purposes served by valves in a system or process
• Illustrate various valve types and highlight their differences
• Explain how valve stem leakage is controlled
• Describe the operation of root and throttle valves
• Identify the following valve components: – Body – Bonnet – Stem – Actuator – Packing – Seat – Disk