In the multi-evaporator refrigeration system shown in the illustration, what is the proper name for the valve labeled "29"? GS-RA-12

Illustration GS-RA-12: the U.S. Coast Guard has not released this illustration.

Question

In the multi-evaporator refrigeration system shown in the illustration, what is the proper name for the valve labeled "29"? GS-RA-12

Illustration GS-RA-12: the U.S. Coast Guard has not released this illustration.

Accepted Answer

Option C: chill box thermostatic expansion valve. Valve labeled 29 functions as the chill box thermostatic expansion valve, metering liquid refrigerant into the evaporator coil based on bulb temperature to maintain proper superheat for optimal cooling.