Flow Switches and Their Full Specifications

A flow switch is a device used to control the flow of fluids. It also helps to send the signal to other instruments such as pumps to avoid damage. You can use flow switches to determine the flow of gases, liquids, and steam as well. Also, you can use these devices to trigger an alarm and offer protection to a system when needed.

All switches are flow meters, but not all flow meters are switches though. Not all flow meters have the ability to control the flow rate of liquids. Flow switches have a valve body, sensing instrument, and a switching unit. All these are connected to the tube.

Flow switches help sense a flow of liquid or air over a valve in the controller. A switching unit will then read a signal sent by the valve to add or remove the electrical alarm. You can also use these flow switches to control the speed, volume, and pressure of fluids. It can also help you see if the system has any problems.

Flow Switch TypeGas Flow Switches

Gas flow switches are used to measure air and steam. These meters are primarily used in HVAC applications.

Liquid Flow Switches

These flow switches are mainly used to measure the flow fluids. These fluids are; water, lubricants, chemicals, and slurries. They are also used in many applications to determine the flow of liquids.

Volumetric Flow Switches

Volumetric flow switches will help you to determine the flow rate of liquids or gases. The measurements are usually done using volume per unit time. These flow switches are also used in a wide variety of applications.

Velocity Flow Switches

Velocity flow switches measure the flow of moving fluids. You will do these measurements in terms of speed. That is feet per minute.

Application Of Flow Switches

Flow switches are primarily used in many applications. These applications include; pump staging, blockage detection, and protection of the flow. They are also used primarily in reservoirs and tank storage systems. They are also applied in pipelines to make sure that the flow flows well in the tube. You can find large flow switches in commercial buildings for HVAC systems.

Flow Switch SpecificationMedia Type

When choosing a flow meter for your supplication, make sure to know the media type. This will help you use the flow switch where needed. A switch for water is made of brass because it can resist corrosion, rusting, or breakdown. You can use plastic in applications that are prone to freezing or expansion due to high heat.

Pipe Diameter

Ensure that the fluids fit well in the tube.

Final Thought

Flow switches or meters come in different varieties. Always make sure to use each switch for its application. When choosing a flow switch for your application, make sure it is within a flow range that is broad for use. The accuracy of your button will depend on several factors. A low-cost and quality flow switch is likely to give you low-accuracy measurements.

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