That sounds like the expansion valve.
Expansion valve or orifice tube.
evaporator
As the refrigerant exits the metering device
when the refrigerant passes through the metering device, some of it starts to flash from a liquid to a gas because
You cool it and run it through a metering devise.
when the refrigerant passes through the metering device, some of it starts to flash from a liquid to a gas because
A curator
Not enough refrigerant, restriction on the metering device.
superheated vapor
Thermal Expansion Valve is a type of metering device which is one of the separation points between the high and low pressure sides of an air conditioning system (the other being the compressor). It depressurises the liquid refrigerant which passes through it, ensuring that low pressure liquid refrigerant is passed on to the evaporator.
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It's a type of metering device, and a pretty simple one. One side is narrower. This widening decreases the pressure of the refrigerant passing through it, effectively being one of the points where the low pressure (vacuum) side separates from the high pressure (discharge) side (the other point is the compressor).
It's a type of metering device, and a pretty simple one. One side is narrower. This widening decreases the pressure of the refrigerant passing through it, effectively being one of the points where the low pressure (vacuum) side separates from the high pressure (discharge) side (the other point is the compressor).