NA 012
DIN Standards Committee Chemical Apparatus Engineering
Standards
[Withdrawn]
DIN 28138-3
DIN 28138-3
Rotating mechanical seals for agitator shafts; designation, sealing liquid, cooling, inspection and mounting connections
Title (German)
Gleitringdichtungen für Rührwellen; Bezeichnung, Sperrflüssigkeits-, Kühl-, Kontroll- und Montageanschlüsse