Introduction

The training course focuses on applications and examples deemed to be relevant to your industry and is cognizant of your working environment. At least 50% of the workshop is devoted to practical exercises and discussions, to keep attention spans at optimal levels.

Course Covering:

• Essentials of control valves
• Actuators and associated valve equipment
• Theoretical and practical sizing aspects
• Selection, installation and maintenance essentials
• Tuning and optimizing a process using control valves

Who Should Attend:

• Instrumentation, electrical, mechanical, process and maintenance engineers, specialists and staff
• Management
• Design teams
• Budgeting and financial staff
• Team leaders, supervisors and foremen

 Course Contents:

Day One: Introduction and Theory

• Control valve purpose and principles
• Flow conditions and pressure drops inside a valve
• Control valve and actuator signals
• Types of flow, Reynold numbers, vortices, gas vs liquid flow, Cv, Choked flow, etc.
• Cavitation and flashing
• Valve classification, associated hardware and an introduction to valve types

Day Two: Valve Specifics, Characteristics and Sizing

• Continuation of valve types
• Valve selection and valves in P&IDs
• Valve leakage
• Valve characteristics (including equal percentage, linear, etc.)
• The relationship between inherent versus installed characteristics
• Calculations pertaining to valve sizing for a liquid application

Day Three: Actuators, Positioners, Trims, Maintenance and Safety

• Valve sizing, using software
• Actuators, and the choices available
• Valve positioners
• Cavitation and noise control
• Valve installation and maintenance
• Pressure relief and SIS valves

Day Four: Process Control Using Control Valves

• Introduction to process control
• The PID controller
• Open-loop tuning
• Closed-loop tuning
• Trial & error tuning (open and closed loop)

Day Five: Optimum Control, Using Control Valves

• Valves in cascade loops
• Valves in ratio loops
• Valves in non-linear loops
• Valves in loops with long time delays
• Valves used in conjunction with PLCs
• New innovations in control valve technology