Answer :
Even if the suction pressure is lower, it will prevent the evaporator pressure from falling below its setpoint. What are the benefits of protecting a receiver with a pressure relief valve as opposed to a fusible plug The pressure release valve self-resets.
Maintaining hydraulic and pneumatic systems below the preset pressure requires the use of pressure relief valves. Depending on how they are installed, they can:
whenever it crosses a certain threshold, lower the downstream pressure to a constant level.
upstream or downstream of the valve, keep consistent pressures.
To protect downstream equipment, reduce the peaks or pressure pulses. In-depth information about pressure relief valves is provided in this article, including an explanation of their design, workings, applications, and how to instal them in a system.
Learn more about pressure relief valves here:
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