How are flanged cast steel butterfly valves labeled?
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This post was last edited by Fan Zhou Chi Shang on 2011-6-28 at 10:47. I need to indicate the model number of valves on the PID flow diagram – how should a cast steel butterfly valve with flanges be labeled?
PID flowcharts don’t need to be this detailed; the piping specialists will draw them
A square frame, with diagonals connected to each other; a black dot is placed at the midpoint of the diagonals