DIN Standards Committee Water Practice
ISO 2531
Ductile iron pipes, fittings, accessories and their joints for water or gas applications
Rohre, Formstücke, Zubehörteile aus duktilem Gußeisen und ihre Verbindungen für Wasser- oder Gasleitungen
Responsible national committee
NA 119-07-17 AA - Metal pipes and fittings for piping systems outside buildings