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Hydraulic customized safty valve with hexgon or adjustable knob pressure relief valve

The basic principle of a relief valve involves a spring-loaded mechanism or a pressure-sensitive diaphragm. When the pressure in the system exceeds the set point, it compresses the spring or overcomes the force on the diaphragm, causing the valve to open and release the excess pressure. Once the pressure drops below the set point, the valve closes again, resealing the system.

Relief valves are usually designed to be adjustable, allowing the set pressure to be customized according to the specific requirements of the system. They are typically calibrated and tested to ensure accuracy and reliability. Additionally, relief valves may incorporate features such as blowdown adjustment, which determines the amount of overpressure required to reseat the valve after it has opened.

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