If you want to know what a proportional flow control valve is, then you need to read this post. In this post, we have explained what a proportional control valve is and how it is different from a solenoid valve with flow control. First, you should know that the proportional valve is the valve that is basically used for changing the output flow with respect to the variations in the electrical input. The proportional flow control valves are also known as the electro-hydraulic valves in some industries.
Features of the proportional solenoid valves
If you have never used a proportional flow control valve before then, you definitely need to know about the features of this control valve. This proportional valve uses a closed-loop system, which is controlled by digital sensors. Because of this unique feature of the proportional flow control valve pneumatic device, you can see that it is being used in different industries and has multiple applications.
There are multiple safety features of this proportional valve which makes it a popular option. There is no possible way to control valves manually in case of a power failure, but with these digital devices, you can easily control or even close valves immediately in case the electrical input gets disturbed. The best thing about the proportional flow control valve is that it is easy to manage and maintain. You can make your work easy by using these flow adjustment valves.
How does the proportional valve work?
Now it is important that you know how the proportional valve works. This flow control is actually the combination of the hydraulic valve and electronic controlling sensors. The hydraulic circuit used in this valve can easily reduce the flow in a proportional way. The digital valve actually maintains the flow of the liquid or gas according to the electric signals.
The flow output would directly depend on the signals sent by the sensors. Now the proportional gas flow control valve doesn’t only manage the flow of gas but also its direction and pressure. The coils in the valves also help in maintaining the voltage in case the electric flow is not stable. This saves energy and reduces any chances of damage to the hydraulic motors or to the control cylinders.
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How can you choose the best proportional flow control valve?
- You have to check out the main function of the regulator, which meets your needs. The two major working functions include pressure and flow control.
- You need to check whether the flow control valve can check and maintain temperature.
- Check the repeatability flow.
- Check reverse sensitivity, which helps in changing the flow rate.
A key difference between the proportional electric needle valve and solenoid valve
The difference between the proportional control valve and the solenoid valve is that the solenoid one changes electrical energy to mechanical because of which a magnetic response is created. The solenoid works when the current comes out of the wire coil. This current is sensed, and the sensors help the valve digitally control the flow of the fluids. On the other hand, the proportional valve is usually mounted below master cylinders for gas/airflow!
