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Engine: Expired / Refrigeration AC

Question 430 of 252

In a refrigeration system, the valve shown in the illustration is used for what purpose? GS-RA-14

Illustration GS-RA-14: the U.S. Coast Guard has not released this illustration.
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Mariner discussion

Comments from mariners who studied this question.

Jl Jlfles · Jun 22, 2015
Wrong illustration; this is a pressure gauge not a valve...
Sh Shawn · Jun 26, 2015
Looks like they published this illustration and then removed it. Illustration removed.