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As a supplement to DIN ISO 10628-2, this standard specifies graphical symbols for the depiction of pipes, valves and actuators in flow diagrams for process plants. The committee responsible for this standard is Working Committee NA 012-00-03 "Dokumentation von Prozessanlagen" ("Documentation of process plants") at FNCA.
This document replaces DIN 19227-1:1993-10 , DIN 2429-1:1988-01 , DIN 2429-2 Beiblatt 1:1988-01 , DIN 2429-2:1988-01 .