NA 012

DIN Standards Committee Chemical Apparatus Engineering

DIN 28140-2 [Withdrawn] references following documents:

Document number Edition Title
DIN 28139-3 1985-06 Welding necks for glass lined vessels; form S nozzles for lapped divided flange connections; connecting dimensions More 
DIN 28148 1992-01 PTFE envelope gaskets for glass lined agitator vessels More