By adjusting the flow of refrigerant into the evaporator, this thermostatic expansion valve makes sure that only vapor escapes from the evaporator. It is a robust, thin, flexible material that may bend to exert pressure on the pin. Usually, this material is metal. This thermostatic expansion valve will guarantee that your system functions at its best while using the least amount of energy possible, which will help you save money. By assisting in the regulation of the refrigerant flow via your system, your compressor is protected.