The Thermostatic Expansion Valve is a component in an air conditioning or refrigeration system. Its primary function is to regulate the flow of refrigerant into the evaporator coil of the system, ensuring efficient and precise cooling. It essentially meters the flow of refrigerant into the evaporator to match the system's cooling load and maintain proper temperature and pressure levels. It contains a temperature-sensing bulb or sensor that is usually mounted on the suction line of the evaporator coil. This sensor monitors the temperature of the refrigerant leaving the evaporator coil.

Attributes:
• Precisely controlling the flow of refrigerant into the evaporator, ensuring that the right amount of refrigerant enters the system
• Ensuring that the pressure on the evaporator side of the system remains within the desired range
• Contributes to the overall efficiency of the air conditioning system by preventing the evaporator coil from being overwhelmed with liquid refrigerant
• Durable and reliable, contributing to the overall longevity of the system

Application:
The Thermostatic Expansion Valve regulates the flow of refrigerant in an air conditioning system to match the cooling load and maintain optimal temperature and pressure conditions in an air conditioner.