There is a fitting in the pipe axonometric view that I can’t understand. I want to know
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What kind of pipe fitting is this? Thank you very much
This should be the insulation symbol for steam
Low-pressure steam, DN100 with insulation
It’s the square in the lower left corner. What does this represent?
The pipe insulation is not drawn in accordance with the standards. This is the way of representing insulation in PID; in ISO diagrams, insulation is indicated by dashed lines. .
Low-pressure steam, DN100 with insulation – the design provided by this engineering firm is not standard at all
It’s most likely the low-pressure steam insulation symbol: P