Control Valves & Actuators
Engineering and Technical Programs
Introduction
This highly interactive Control Valves
& Actuators training seminar highlights the most important features and
characteristics of control valves and actuators. Combinations of valves and
actuators are used in just about every process around the world, and the proper
understanding and utilization of them is crucial to efficient operations and
control. This GLOMACS training seminar has been designed in such a way as
to empower delegates to think practically about valve and actuator
installations, in a manner that allows them to consider, select and install the
best piece of equipment for the application at hand.
This Control Valves & Actuators
training seminar emphasizes the important aspects of valves and actuators, and leads
to a greater understanding of flow aspects pertinent to these devices. In some
cases, the differences between certain valves and actuators can be quite large,
whilst in others, the variations are very subtle. Delegates are taught to focus
and differentiate between the various devices that are available, and how they
fit into the greater scheme of things. This exposure, most certainly, will
promote greater confidence in the ability of delegates to make informed
decisions, as well as to assist in decisions that are made at a higher level.
By the end of the course, participants will be
able to:
- Comprehend the inner operation of most utilized valve types.
- Decide on the best value to use, for specific applications.
- Determine the most cost-effective valve size.
- Determine the best device to drive and operate an assortment of
valves.
- Get control valves to operate optimally in the field, using an
assortment of techniques.
Course Outline
Day 1:
Valve Principals, Purposes, Types, Control Signals and Flow Conditions
- Valve Principles, Valve Purposes and Control
Signals used with Valves.
- Flow Conditions in and around Valves.
- Reynolds Numbers.
- Cavitation and Flashing and How This
Influences Valve Selection.
- Associated Equipment - Pertinent to
Valves.
- Definitions and Principles of Operation of the
Major Types of Valves.
Day 2:
Valve in P&IDs, Leakage, Valve Characteristics and Valve Size Calculations
- Continuation of the Definitions and Principles
of Operation of more Major Types of Valves.
- Additional associated Equipment - Pertinent
with Valves.
- P&ID Diagrams associated with Valves.
- Valve Leakage and Valve Leakage Rate
Calculation.
- Valve Inherent Characteristics and their
importance once installed.
- Performing Manual Calculations - for Valve Sizing.
Day 3:
Valve Software, Actuators, Positioners, Cavitation & Noise Control & SIS
- Software Used to Size Control Valves.
- Assorted Actuators and their Properties and
Characteristics.
- Valve Positioners.
- Cavitation and Noise Control - in and
around valves.
- Valves and How They Fit into Pressure Relief
and Safety Instrumented Systems (SIS).
- Using Digital Controllers - with valves.
Day 4:
3-term Controllers and Loop-tuning for Processes Containing Control Valves
- Understanding and Implementing the Right
Controller Action - for fail-safe valves.
- Understanding all of the Variables -
associated with three-term control.
- Open Loop Tuning - for controllers that act on
control valve loops.
- Closed Loop Tuning - for controllers that act
on control valve loops.
- Trial and Error Tuning - to optimize control
valve performance.
Day 5:
Using Valves in Cascade, Ratio, Dead-Time Dominant, Non-Linear and PLC-Controlled Processes
- Setting up a Cascade Loop - using a
single valve and multiple controllers.
- Setting up a Ratio Loop - using a Single
Valve and Multiple Process Variables (PVs).
- Dead Time Dominant Loops - how this
affects the valve performance, and how this is corrected.
- Using a Control Valve in a process that
exhibits different responses in different zones.
- Combining PLCs - for valve control.
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