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Pressure gauges are widely recognized as devices that utilize pressure to actuate a mechanical component, such as a Bourdon tube, to display the pressure within a closed system through a visual pointer. This fundamental principle allows users to easily monitor and assess pressure levels in various applications. These gauges are manufactured in a variety of models to accommodate diverse requirements, enabling them to measure pressure in different media across a wide range of pressures and temperatures.

For environments where the media may be chemically aggressive or corrosive, the wetted parts of the gauge can be affected, potentially compromising its performance or lifespan. In such cases, a diaphragm seal is often employed to isolate the gauge from direct contact with the media. The diaphragm acts as a protective barrier, ensuring that the internal mechanisms of the gauge remain unaffected while still accurately transmitting the pressure readings. This adaptability makes pressure gauges essential in industries such as chemical processing, oil and gas, manufacturing, and water treatment, where precise and reliable pressure monitoring is critical for maintaining system integrity and safety.