What You Need to Know About Thermostatic Expansion Valves
A thermostatic expansion valve, also referred to as TXV, is a throttling device used in refrigerators and air conditioners to control the amount of refrigerant injected into the evaporator. This relies on the temperature and pressure of the evaporator, known as the superheat. The TXV works through precision to regulate the flow rate of the liquid refrigerant. This is essential in increasing the efficiency of the evaporator and ensuring that excess refrigerant doesn’t flood back into the compressor. The valve’s design feature forms a separation between the high- and low-pressure sides in an air conditioning system. Typically, the liquid refrigerant...
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