CONTROL VALVES & ACTUATORS

Objective:

• Understand the operating principles and applications of commonly used valve types
• Select appropriate valves for different industrial process applications
• Determine cost-effective valve sizing requirements
• Select suitable actuators and devices for operating different valve systems
• Improve control valve performance through effective field techniques and optimization methods

Content:

Valve Principles, Applications, Types, Control Signals and Flow Conditions

• Understanding valve principles, purposes, and control signals
• Analyzing flow conditions in and around valves
• Understanding Reynolds numbers and their application
• Understanding cavitation and flashing effects on valve selection
• Reviewing associated equipment related to valve systems
• Understanding the operation and application of major valve types

Valve Applications, Leakage, Characteristics and Sizing Calculations

• Reviewing additional valve types and their operating principles
• Understanding equipment associated with valve installations
• Interpreting P&ID diagrams related to valve systems
• Understanding valve leakage and leakage rate calculations
• Analyzing valve inherent characteristics and their impact after installation
• Performing manual calculations for valve sizing

Valve Software, Actuators, Positioners and Safety Systems

• Using software tools for control valve sizing
• Understanding different actuator types, properties, and characteristics
• Understanding valve positioners and their applications
• Managing cavitation and noise control in valve systems
• Understanding the role of valves in Pressure Relief and Safety Instrumented Systems (SIS)
• Applying digital controllers for valve operation and control

Controller Applications and Loop Tuning for Control Valves

• Understanding and implementing correct controller actions for fail-safe valves
• Understanding variables associated with three-term control systems
• Performing open-loop tuning for control valve applications
• Performing closed-loop tuning for improved valve performance
• Applying trial-and-error tuning techniques to optimize control valve operation

Advanced Valve Control Applications

• Setting up cascade control loops using single valves and multiple controllers
• Designing ratio control loops using valves and multiple process variables
• Understanding dead-time dominant loops and their effect on valve performance
• Managing non-linear process responses in control valve applications
• Integrating PLC systems for advanced valve control

For Whom:

• Instrumentation Engineers and Technicians involved in valve maintenance
• Engineering Managers and Professionals responsible for valve and actuator selection
• Mechanical and Electrical Engineers working with valve systems
• Process Control Engineers responsible for plant performance and availability
• Industrial Engineers, Designers, and Safety Professionals
• Professionals involved in industrial applications requiring valve systems