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DIN 3523 [CURRENT] references following documents:

Document number Edition Title
DIN EN 10226-3 2005-05 Pipes threads where pressure tight joints are made on the threads - Part 3: Verification by means of limit gauges; German version EN 10226-3:2005 More 
DIN EN 1213 1999-12 Building valves - Copper alloy stopvalves for potable water supply in buildings - Tests and requirements; German version EN 1213:1999 More 
DIN EN 13828 2003-12 Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Tests and requirements; German version EN 13828:2003 More 
DIN EN 1488 2021-09 Building valves - Expansion groups - Tests and requirements; German version EN 1488:2021 More 
DIN EN 1567 2000-01 Building valves - Water pressure reducing valves and combination water pressure reducing valves - Requirements and tests; German version EN 1567:1999 More 
DIN EN 248 2003-01 Sanitary tapware - General specification for electrodeposited coatings of Ni-Cr; German version EN 248:2002 More 
DIN EN 806-1 2001-12 Specifications for installations inside buildings conveying water for human consumption - Part 1: General; German version EN 806-1:2000 + A1:2001 More 
DIN EN 806-2 2005-06 Specification for installations inside buildings conveying water for human consumption - Part 2: Design; German version EN 806-2:2005 More 
DIN EN 806-3 2006-07 Specifications for installations inside buildings conveying water for human consumption - Part 3: Pipe sizing - Simplified method; German version EN 806-3:2006 More 
DIN EN 806-4 2010-06 Specifications for installations inside buildings conveying water for human consumption - Part 4: Installation; German version EN 806-4:2010 More