Through which of the components shown in the illustration is flash gas formation a normal occurrence? Illustration GS-RA-25

Illustration GS-RA-25: the U.S. Coast Guard has not released this illustration.

Question

Through which of the components shown in the illustration is flash gas formation a normal occurrence? Illustration GS-RA-25

Illustration GS-RA-25: the U.S. Coast Guard has not released this illustration.

Accepted Answer

Option B: thermostatic expansion valve. Flash gas naturally forms inside the thermostatic expansion valve as high-pressure liquid undergoes an instantaneous pressure and enthalpy drop, vaporizing a fraction of the refrigerant.