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With the constant development and change of science and technology, there are many functional accessories in our life now, and the pressure relief valve is one of them. The pressure relief valve ensures that the pressure is near the specified value, so as not to damage the engine too much. To be specific, the necessity of pressure relief valve is reflected in: after acceleration, suddenly loosen the throttle, there is still a lot of pressure in the pressurization pipeline, and this part of the pressure must be relieved, so the pressure relief valve if not relieved will lead to pipeline damage. Pressure relief valve, also known as safety valve, can automatically open and close according to the working pressure of the system, generally installed in closed system equipment or pipeline protection system safety. When the pressure in the equipment or pipeline exceeds the pressure set by the pressure relief valve, it will automatically open.

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