Course description
In Control Valve Basics - Sizing and Selection, you'll learn ...
- How to size a control valve
- Advantages and disadvantages of various types of valves and actuators
- Control valve theory, including flow coefficients, pressure drop, flashing and cavitation
- The three most common types of control valve flow characteristics and how they are applied
Overview
Credit: 4 PDH
Length: 53 pages
Control valves are needed in any system where fluid flow must be monitored and manipulated. A complete control valve is made of the valve itself, an actuator, and, if necessary, a valve control device. The actuator is what provides the required force to rotate the valve stem and the valve control device ensures appropriate position, interprets signals, and manipulates responses.
Selection of the proper valve involves a thorough knowledge of the process for which it will be used. When implementing a control valve into a process, one must consider not only the appropriate type of valve and its material of construction, but also the correct sizing to ensure it performs its designated task without any adverse impacts on the system.
This 4-hour course provides an overview of control valves with emphasis on sizing and selection. The primary audience for this course is chemical, mechanical, instrumentation and process engineers. However, the course will benefit any engineer who wishes to learn the basics of how to size and select control valves for process applications.
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Who should attend?
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 25 questions. PDH credits are not awarded until the course is completed and quiz is passed.
Training content
This course teaches the following specific knowledge and skills:
- Differentiate between various types of valves and the benefits of each
- Understand the operation of control valves in a control loop
- How to evaluate and apply actuators and positioners for specific applications
- The relationship between the Cv, flow rate and pressure drop
- Size valves for any flow condition likely to be found in a process plant
- How to select the proper valve characteristic for a given process
- How the installed characteristics can match closely to the inherent characteristics
- The methods to address system performance issues such as cavitation, flashing and chocked conditions
- The factors influencing the selection of control valves
Costs
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