PV20-3,81

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There has been an increasing demand for PV 20-3, 81 in various application fields. PV 20-3, 81, or Pressure Vacuum Relay, is known as one of the most reliable type of industrial relay available in the market. By leveraging on its many unique features, it can be implemented in a variety of application fields and its working principle is considered to be the best possible way to break and make a connection between various points of power. This article will discuss the various application fields and working principle of PV 20-3, 81.

PV 20-3, 81 is primarily used for pressure sensing and control in industrial applications. It is used to detect and control the pressure of a gas or liquid. It can be used for automotive temperature or pressure control, as well as in oil or gas pipelines for pressure regulation. It can also be used in medical equipment and in industrial machinery to monitor the pressure of fluids. The pressure-vacuum relay uses a diaphragm to sense the pressure, and when the predetermined pressure is detected, the relay switches on or off the contact points.

The working principle of PV 20-3, 81 is quite simple. It is based on a diaphragm which is actuated by a pressure change. When the pressure is greater than the predefined pressure, the diaphragm will move up. As the diaphragm moves up, it closes the contact points. Conversely, when the pressure is lower than the predefined pressure, the diaphragm will move down. As it moves down, it opens the contact points. This mechanism is what allows for the breaking and making of electric connections.

As mentioned earlier, PV 20-3, 81 has numerous applications in various different industries. It is utilized in automotive engines to control the pressure and temperature of the engine oil. It is also used in oil and gas pipelines to control the pressure and flow of fluids. Furthermore, it is used in medical equipment to monitor the pressure levels of various fluids. Additionally, PV 20-3, 81 is also used in refrigeration and air conditioning systems to regulate the pressure of air within the system.

Overall, PV 20-3, 81 is one of the most reliable types of industrial relays on the market due to its unique features. It is commonly used in various application fields and its working principle is considered to be the best possible way to break and make a connection between various points of power. From automotive temperature and pressure control to pressure regulation in oil and gas pipelines, the PV 20-3, 81 has been proven to be an invaluable asset for many industries.

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