What is a control valve? In modern industry, the control valve is an important component that is used to control the flow of a fluid, and pressure level of a system.
Control valve functions have become crucial in ensuring smooth operation and process efficiency.
As a simple mechanical device, the control valves have the ability to ensure that every component of the system runs according to the requirements and standards that have been set.
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So, what is a control valve? What are its functions? Without further ado, let’s take a look at the information that we’ve prepared just for you!
Table of Contents
What is a Control Valve?

A control valve is an important component in an industrial automation system that serves a purpose to control fluid flow and fluid level in a system.
In the industrial world, control valves are widely used, from chemical factories to power plants.
A control valve is basically a valve that can be adjusted to control the flow of fluids in a system. It allows the system to adjust and maintain variables such as pressure, temperature, and levels accurately.
In other words, a control valve acts as a reliable regulator to ensure that these parameters remain within the desired range.
Generally, the control valve consists of two main components: the actuator and the valve proper.
With the proper settings, control valves can ensure stability and improve the efficiency of operational systems.
Functions of Control Valves

1. Controlling Fluid’s Flow
The control valves serve a main purpose in which to control the flow of a fluid in a system.
It can be achieved when you open or close the valve so that the flow of a fluid is according to standards that have been set.
This is so important in the industry where the fluid of chemicals or other fluids is mandatory to be regulated or controlled to ensure the products quality and the efficiency.
2. Regulating Pressure
Another function of a control valve is to regulate pressure in the system.
The control valve can regulate whether the pressure is above the limit or vice versa, this is so important to ensure the system’s stability.
3. Controlling the Fluid Level
In a system that uses a tank or reservoir, a control valve can be used to control the level of a fluid.
The control valve can be used to prevent overfilling that’ll happen when the excessive fluid is going to the tank.
On the other hand, you can also use the control valve to let the fluid flow into the tank when the reservoir is emptying.
In industries such as water water treatment or power plants where the optimum fluid level is needed, this trait is so important.
4. Stabilizing Temperature
Control valve can also be used to control temperature by controlling the fluid to transfer the heat, thus cooling down the system.
The controlled temperature is so important to prevent overheating in any of the equipment that is used, thus improving the efficiency and lifespan of the equipment.
5. Ensuring Safety
In addition to the main functions that we stated above, control valves also play a role in maintaining the safety and optimal performance of a system.
With a quick response to changing conditions, the control valve helps prevent damage to the equipment and ensures that the process runs in accordance with security standards.
Types of Control Valves

After knowing its definition and also its functions, knowing the types of control valves is also exciting and important.
So, what are the types of control valves? Let’s dig in!
- Flow Control Valve: Flow control valves focus on fluid flow regulation controls. These valves are designed to open and close with accuracy according to system requirements. This type of one can be seen in chemical processes and food processing industries.
- Pressure Control Valve: Pressure control valves serve to regulate the pressure in the system. These valves can open or close automatically to keep the pressure at the desired level. Pressure controlling valves are essential in applications where pressure fluctuations can harm the systems, such as in water supply systems and gas installations.
- Level Control Valve: A level control valve is used to regulate the level of fluid in a tank or container. The way it works is to open or close the valve according to the desired level. This is done to prevent overflow or lack of fluid. Level control valves are often used in water treatment industries, power plants, and industries involving liquid handling.
Also Read: “What is a Hydraulic Valve?“
How Does the Control Valve Work?

In support of its main functions, it has two ways of working on industrial machines. Here’s a brief explanation of how the control valve on the machine works:
1. Controlling Signal
The way the control valve works on the machine involves receiving control signals that indicate the necessary changes in the system.
These signals can come from temperature, pressure, or level sensors, which are then interpreted by the control system.
The control valve will respond by opening or closing according to the signal received and adjusting the various components in it to maintain the balance.
2. Actuator
The actuator acts as a propulsion engine that responds to commands from the control system. There are two main types of actuators, pneumatic and electrical.
This actuator gives a linear or rotary motion to the valve to open or close according to the signal received.
So, there you have it, a thorough answer of “What is a Control Valve?”, alongside with the explanation of its functions and how it works!
Like many other things that are being distributed and sold in Indonesia, the control valve is the thing that needs to be certified by the SNI certification.
The SNI certification is a type of product approval that regulates the safety and quality aspects of a product.
The product that is about to be certified by the SNI certification needs to undergo a series of tests to ensure and determine its quality and safety.
While giving the benefits to the customers of Indonesia a peace of mind knowing that the product they bought has already been tested, the SNI certification also comes with a lot of benefits for business owners alike.
The presence of the SNI logo on your product will boost the trust from the Indonesian market, thus improving your integrity and your business’ position.












