How does a Control Valve work?

What is a control valve?

It is a power-operated valve that controls the flow of steam, gas, oil, and water. A control valve adjusts the flow to various degrees between minimal flow and full capacity flow in response to a signal from a control device. A signal is sent from the controller to the control valve, which causes it to move and change the flow. There are two pieces to it: a valve and an actuator. Depending on the service condition and application, their valve bodies come in a variety of shapes and sizes.

All of these control valves are meant to keep critical variables like inertia, pressure, velocity, temperature, and others within the proper operating range. Internally, one of these Valves absorbs and causes oscillations that harm the process component, and interaction with other network loops causes disputes that affect the device parameters.

Sensors and transmitters collect information about the process vector and its relationship to any appropriate fixed point in order to reduce the influence of these load distortions. After that, a controller gathers the information and assesses what needs to be done to get the process back to where it will be if the charge is disrupted. When all of the estimating, contrast, and calculations are finished, the controller’s chosen strategy must have some type of end control function. Control Valves are used widely across states like Texas, California, Louisiana, Illinois and Michigan.


  • Oil and Gas Industry
  • Chemical Industry
  • Petrochemical industry
  • Mining Industry
  • Food processing industry
  • Power Generation and Energy Sector
  • Water Treatment plant

According to top Control Valve Manufacturer in USA, Following are some of the best control valve manufacturers:

  • Valvesonly
  • Flowserve
  • Emerson
  • Bonney Forge
  • Crane Co.

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