Process Control Valves


  • Recognize a process control valve by sight and by process schematic symbol.
  • Identify the purpose of a process control valve.
  • Review open-close valve is so common.
  • Identify proportional valves and explain their characteristics.
  • Examine hydraulic actuation.

What Does A Valve Do?

Process valves usually do one of two things; they regulate the amount of flow, or the direction of flow passing through them.

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Vacuum Pressure
Atmospheric Pressure
Low Pressure
Medium Pressure
High Pressure
Lowest Voltage
Medium Voltage
Highest Voltage
Magnetic Field
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