Control Valves Library
About this class
This four (4) individual lesson program trains participants in the function, operation, maintenance, and troubleshooting of common types of control valves.
Prerequisites
This lesson is designed for participants familiar with industrial process control, specifically single loop control and multiple loop control. A working knowledge of fluid flow characteristics, fluid flow measurement, and typical elements in process loops is recommended.
Description
This comprehensive INVOLVE?? multimedia-training program was produced in association with the? Instrument Society of America USA. This four individual lesson program trains participants in the function, operation, maintenance, and troubleshooting of common types of control valves.
Objectives
This program is excellent for training instrument technicians as well as for the multi-craft training needs of process and manufacturing.
Content
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Announcements
This lesson explains control valve selection factors and demonstrates
typical linear and rotary control valve functions and applications.
Control valve bodies for several types of valves including globe,
butterfly, and ball valves are described. The function and components of
valve trim, including the relationship between flow characteristic and
trim type is explained.
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CV Body Types and Trim
This lesson trains participants to recognize, identify, and understand
actuators and positioners as they relate to control valve trim. The
parts and operation of diaphragm and piston actuators as well as
pneumatic and electropneurnatic positioners are demonstrated.
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This lesson applies the concepts and terminology associated with control
valve body types and trim, actuators and position to the disassembly,
repair, parts replacement and reassembly of linear and rotary action
control valves. Symptoms of valve malfunctions, lapping, and post-repair
tests are also covered.
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