What type of valve is this?
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The valve marked in red in the middle?
This? Can’t you send a clear picture?
This is just something I drew casually; if it comes from a design institute, there are legends available that make it easy to understand. Drawings without such legends are unreasonable and hard to comprehend. The legend seems to be used incorrectly. The tag numbers also need to be clearly marked.
Did you circle a few? Just an extra four-way connector
Take a look at the PID diagram yourself; it should be a globe valve.