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Expansion valve/orifice tube

Expansion valve/Orifice tube are devices regulate the flow of refrigerant into the evaporator, ensuring optimal cooling efficiency and system protection.
It actively modulates the flow of high-pressure liquid refrigerant into the low-pressure evaporator based on the super heat temperature at the evaporator outlet. This ensures that the evaporator is fully utilized without allowing liquid refrigerant to return to the compressor (which could cause damage).
Part air con expansion valve
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