There are lots of final control elements to choose from, and which one will be right for your process depends on a lot of things. This article will list the most common final control element types and give you some pointers on how to choose one.

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Common final control element types

Control valve as a final control element

The control valve appears in various segments as a final control element to control all kinds of gases and liquids. These come with a vast list of plugs, actuators, positioners, materials, and bodies. So you could probably mix and match a solution from the options.

Here are some articles that can teach you more about control valves:

What do you need to know about control valves?
What do you need to know about control valve positioners?

Variable frequency drive as a final control element

The variable frequency drive (VFD) can control the velocity of air conditioning motors. And if you have a pump or fan connected to the motor, then the VFD can help with those too.  As you can see, the variable frequency drive can bring a lot of benefits to your process.

You can read more in this article:

#WishIknew – What’s a variable frequency drive?

Solenoid valve as a final control element

With an on/off control, you can apply an on/off valve or a solenoid valve, depending on the application. So these simple valves may provide just what you need. Don’t expect much extra, though.

You can read more about solenoid valves in this article:

#WishIknew – How a solenoid valve works and how to apply it in a control valve

Damper as a final control element

For air control, a damper comes up as a popular solution for a final control element. This device works specifically for air control in several scenarios on a variety of pipes.

This list only touches on a few of the final control elements out there. If you have further questions, call us and we’ll try to help some more.

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