Instead of having to use the Print Screen button and then paste into Paint (or a similar application), you can now automatically save a screenshot to the Pictures folder as a png with just the touch of a couple of buttons. Here's how. 1.
Thermostatic expansion valve or TEV is one of the most commonly used throttling devices in the refrigerator and air conditioning systems. The thermostatic expansion valve is the automatic valve that maintains proper flow of the refrigerant in the evaporator as per the load inside the evaporator.
There are three main parts of the expansion valve that regulate the position of the needle. A sensor bulb, at the end of the evaporator, monitors the temperature change of the evaporator. This change in temperature creates a change in pressure on the diaphragm.