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guarniflon valves can automatically open and close based on the system's working pressure. They are generally installed on equipment or pipelines in closed systems to protect system safety. When the pressure inside the equipment or pipeline exceeds the set pressure of the relief valve, it automatically opens to relieve pressure, ensuring that the medium pressure in the equipment and pipeline remains below the set pressure, thereby protecting the equipment and pipeline and preventing accidents. The working principle of guarniflon valves is a type of hydraulic control valve. The main valve is divided into upper and lower parts by a diaphragm. The lower chamber of the diaphragm is the water flow channel, and the upper chamber is the control room, which controls the opening and closing of the main valve disc.