DIN 28000-4
Chemical apparatus - Documentation in the life cycle of process plants - Part 4: Graphical symbols of valves, pipes and actuators
Chemischer Apparatebau - Dokumentation im Lebensweg von Prozessanlagen - Teil 4: Graphische Symbole für Armaturen, Rohrleitungen und Stellantriebe
Overview
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.