NA 021
DIN Standards Committee Iron and Steel
Technical rule
[CURRENT]
DVGW GW 368
DVGW GW 368
Restrained Socket Joints for ductile Iron and Steel Pipes, Fittings and Valves
Title (German)
Längskraftschlüssige Muffenverbindungen für Rohre, Formstücke und Armaturen aus duktilem Gusseisen oder Stahl