Historical
DIN EN 12982:2000
Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves; English version of DIN EN 12982 (Foreign Standard)
The document specifies end-to-end and centre-to-end dimensions for steel butt-weld end valves, used in PN- and Class-designated piping systems.
Deutsches Institut für Normung [din]