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Liquid Flow Controller: Essential for Industrial Processes

Controlling how fluids and liquids flow in a pipeline is suitable for any application that needs accurate flow measurement. The flow meter sector has grown to include devices that measure and control flow rates. Many of these tools are used in flow systems that compensate for varying pressure changes or need a constant flow rate. It is a nifty flow rate tool to control and measure many fluids.
Unlike flow meters that only measure flow rate, flow controllers measure flow rate and control flow. Therefore, you must know your flow system’s needs before choosing a flow rate device for your application. This will prompt you to buy a costly flow rate tool that meets your needs. The high cost of buying a liquid flow control means you will get value for your money, given its benefits.
In this post, we are looking at the workings of a liquid flow controller to help you know its benefits in a flow system. We’ve also mentioned a few examples to help you gain more significant insights into these flow rate tools.

How Does a Liquid Flow Controller Work? 

It controls the flow rate by integrating a flow valve and rate sensor. While doing this, it is not affected by fluctuations in the inlet pressure. It can use a touchscreen monitor to assign setpoints. The monitor is located remotely on the device through an electronic signal. The device can adjust the integrated valve accordingly, depending on the required flow rate. The integrated touchscreen lets users view alarm states, totalized flow, and flow rate. The feature also makes it easier for the operator to control the flow rate from various settings and positions.

Significant Benefits of a Liquid Flow Controller

1. A liquid flow controller compensates for pressure change 

One benefit of using this device is that it automatically compensates for pressure changes according to the command signal from the user. The flow rate becomes stable and more accessible to control due to the compensation.

2. High accuracy levels 

Using a liquid flow controller from Proteus offers quick response and no particle generation due to its zero-friction design. A fluid flow controller also offers repeatability and high accuracy levels when controlling and measuring flow rate. Liquid flow meters from Proteus Industries use small PTFE microturbine wheels to increase flow repeatability. This feature is suspended on a sapphire shaft. An infrared beam detects rotation speed.
It is crucial to select a liquid flow controller that works well with all the various fluids that you intend to use. The reason is that not all flow rate meters can work well with any liquid. Choose a tool with wetted materials Viton, sapphire, and PTFE only to ensure compatibility. A suitable liquid flow controller is reliable, dependable, and easy to maintain. Proteus has designed a modular liquid flow controller that makes it easier for users to change or swap modules without returning them to the factory. Using a single liquid flow controller for multiple configurations and ranges is possible.

Factors to Consider when Choosing a Liquid Flow Controller 

Flow meters come in wide varieties. It is vital, therefore, to consider these factors before buying one. Improper selection of these flow rate devices may need fixing using your flow system. Here are some things you need to look at when choosing a liquid flow tool:

1. The application 

Since liquid flow meters are used in various applications, you need to make sure that it matches their application. You can ask for guidance if you are still determining which flow controller will work well with your application.

2. The liquid you need to control 

Before choosing a liquid flow controller, you need to know whether it can control the fluid in your flow system. Liquids come in different properties and conditions. All these affect the workings of a flow meter. Using the wrong type of liquid flow meter may lead to inaccuracies, damages, and poor flow rate regulation.

Applications of a Liquid Flow Controller 

A liquid flow device is used in many applications that need low or microflow control or measurement. It is also used in applications that have a constant flow rate. You can also use a liquid flow meter in systems that need semiconductors. Other applications that can utilize a fluid flow controller include:

  • Consumable usage regulation and monitoring
  • Sample flow rate regulation
  • On-demand chemical blending and distillation


From this post, it is plain to see that a liquid flow controller is an essential device in flow rate measurement and regulation. A liquid flow controller is the best option when dealing with an application or flow system requiring fluid flow control or regulation. Although it costs a bit high, it offers many benefits that include automated compensation for changes in pressure. Users can also use this device across various applications via touchscreen monitors.

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