Thursday, April 19, 2018

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Valves and Actuator Types - Control Valves

The control valve regulates the rate of fluid flow as the position of the valve plug or disk is changed by force from the actuator. To do this, the valve must:

  • Contain the fluid without external leakage;
  • Have adequate capacity for the intended service;
  • Be capable of withstanding the erosive, corrosive, and temperature influences of the process; and
  • Incorporate appropriate end connections to mate with adjacent pipelines and actuator attachment means to permit transmission of actuator thrust to the valve plug stem or rotary shaft.

Globe Control Valve

Many styles of control valve bodies have been developed through the years. Some have found wide application; others meet specific service conditions and are used less frequently. The following summary describes some popular control valve body styles in use today.

Go to the next page, Valve and Actuator Types - Control Valves - Globe Valves - Single-Port Valve Bodies

Go back to the previous page, Control Valve Performance - Summary

Go to the Control Valve Handbook - Table of Contents page


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