Sizing, Selecting, and Applying Process Control Valves (EI30)
You will be able to:
Compare various types of final control elements
Identify a typical valve operation in a control loop
Differentiate between various types of valves and the benefits of each
Compare rising stem to rotary style valves
Analyze a control system to determine control valve needs
Apply ISA standards for control valve specification and selection
Size valves for any flow condition likely to be found in a process plant
Evaluate and select actuators for specific applications
Specify appropriate auxiliaries including positioners and I/P transducers
Design control valve installations that are safe and trouble-free
You will cover:
Introduction: Valve in Loop | Valve | Actuator | Positioner
Basic Valve Types: Globe | Ball | Plug | Butterfly
Actuators: Spring/Diaphragm | Piston | Vane | Scotch-Yoke | R & P
Comparison: Rising Stem | Rotary | Accessories | Positioner | I/P
Valve Performance: Gain | Time | Trim | Special Needs
Flashing/Cavitation and Noise: Cause/Effect | Prevention | OSHA | Source and Abatement
Installation: Performance | Safety | Other
Valve Sizing: Manual | Computer
Specification and Selection: Process Requirements | Other Considerations
Maintenance and Troubleshooting Considerations: Special Requirements | Diagnostic Tools
Smart Valves: Available Designs | Applications in Industry
Test valves to evaluate performance factors
Size valves manually and with software
Specify valves, actuators, and auxiliaries for specific applications
Evaluate operation of valves with pneumatic actuators and positioners
Demonstrate smart valve/positioner operation
Includes ISA Text: Control Valve Primer, 3rd Edition
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