What does the cryptic crossword clue "Turning valves produced liquid (4)" mean?

The definition is "produced liquid". The wordplay uses a reversal. TAPS (reversal="TAPS") = SPAT; definition: "produced liquid" The answer is SPAT.

Turning valves produced liquid (4)

Times Cryptic #28885 | 21 Across | 2024-04-08 flower