Today, an air pressure regulator is widely used in pneumatic systems and devices to deliver the maximum flow capacity and to keep the outlet pressure equal to a user-defined value. By reducing the air pressure they lower the operational cost and ensure the safety of the system and workers. Reducing the pressure is the main functionality of the electronic air pressure regulator. This functionality helps a lot in order to achieve excellent and reliable performance from the pneumatic system or device.
Air pressure regulators play a vital role in controlling the pressure of air in the air lines of pneumatic tools. It removes the fluctuations from the inlet pressure and provides a consistent supply of air to the tool at the required pressure. That’s why a regulator is used in many applications from common to complex ones.
How Do Pressure Regulators Work?
An air pressure regulator provides effective control over the air pressure. With the help of a fill and vent valve, an electronic air pressure regulator maintains the outlet pressure for the accurate operations of the pneumatic tool. A small inner pressure sensor efficiently monitors the outlet pressure and whenever it senses a pressure increase, it informs the controller about that change so that the required action can be performed to maintain the outlet pressure.
The increase in the control signal activates the proportional valve so that the pressure can be increased in the internal pilot chamber. At this point, inlet pressure passes through the fill valve and goes to the pilot chamber. It increases the pressure inside the pilot chamber and operates the upper surface of the diaphragm. It causes the air supply valve to open to a part of the inlet pressure becomes the outlet pressure. This is the answer to the most asked question that how a pressure regulator works.
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Principle Of Operations:
- The air supply is connected to the inlet port of the pressure regulator. Air goes to the bottom of the regulator where it passes through the filter chamber.
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- The filter removes the dust particles from the air to prevent the blockage of the electric pressure regulator. After that, the air goes into the valve chamber.
- A spring presses the diaphragm according to the need to move the valve assembly.
- The valve assembly is hold by the range spring so that the pressure can reach a suitable range that’s enough to lift up the diaphragm of the electronic air pressure regulator. At this moment the small spring closes the valve.
- Air goes out from the central hole of the diaphragm. In this way, a balanced pressure is maintained.
- If the outlet pressure goes up from the set value then the excess air goes out from the diaphragm vent. When the outlet pressure becomes correct then the valve assembly opens and sets the required pressure. Now this pressure goes out from the outlet of the digital air pressure regulator.
- If the value of the pressure is low then the set value, then the valve assembly remains open until the required pressure is achieved.
Final Words:
In recent years, electronic air pressure regulator has become too much popular among people. The main reason for this popularity is the reliability and strong control that it provides to the users. An electronic regulator not only keeps the pressure equal to the set value but also ensures the smooth and safe working of pneumatic tools.