The main function of a Pressure Relief Valve is to protect against accidental over-pressure of a pressure vessel due to system malfunction or fire.

If the pressure within an air compressor system or air receiver tank gets too high, one or more components could explode, and pressure relief valves prevent this from occurring.

Air Conditioning Pressure Relief Valve “Mini PRV” is used on the air conditioning compressor or the fluid transport line attached to the compressor.

Designed to be used in refrigeration systems to prevent over-pressure due to system malfunction or excessive external heat. They are to be used only with refrigerant vapor or gas, where they are typically installed on the top section of a pressure vessel, i.e. liquid receiver or suction accumulator.