INSTRUMENTATION MAINTENANCE VALVES AND ACTUATORS

OBJECTIVES 

The purpose of this course is to provide a future instrument engineer with knowledge of all the types of valves and actuators on an industrial site which has a predominantly petroleum-related activity. 

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At the end of the course, the trainee should have the following knowledge concerning valves and actuators: 

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• Knowledge of all existing types of regulating valve, Ability to change the direction of action of a valve, Knowledge of the accessories of a regulating valve, 

• Ability to distinguish between an I/P converter and an electro-pneumatic positioning device, Ability to adjust a regulating valve, Basic knowledge of how to calculate the Cv of a valve.

TABLES OF CONTENTS:

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1. OBJECTIVES
2. INTRODUCTION
3. VALVE TYPES
4. TYPES OF PLUG
5. TYPES OF CAGE
6. THE CAP 
7. THE SERVOMOTOR
8. VALVE ACCESSORIES
9. MAINTENANCE

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