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NA 003

DIN Standards Committee Valves

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DIN EN 558 [CURRENT] referenced in following documents:

Document number Edition Title
DVGW W 332 2023-12 Selection, Installation and Operation of Shut-Off Valves in Water Distribution Systems More 
NAMUR NE 167 2025-01-23 Common technical delivery conditions for valves, actuators and PCS field devices More