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NA 119

DIN Standards Committee Water Practice

About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

About NAW

The DIN Standards Committee Water Practice (NAW) is responsible for the standardization in the concise field of water-related aspects and promotes the propagation and application of these standards. The technical work is performed in the committees Environment (waste, soil and water quality), Water engineering, Water supply and Waste water engineering. The NAW takes care of the national contribution to European and International standardization in these fields.

How is NAW composed?


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Christiane Loser

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
Document number DIN 28603 Begin 2025-07-25 Title Ductile iron pipes and fittings - Push-in joints - Survey, sockets and gaskets More  Comment 
Document number DIN 19583-1 Begin 2025-07-25 Title Gully tops 500 × 500 for road gullies, class C 250 and class D 400 - Part 1: Summary More  Comment 
Document number DIN 19583-2 Begin 2025-07-25 Title Gully tops 500 × 500 for road gullies, class C 250 and class D 400 - Part 2: Particulars More  Comment 

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Current Draft Standards
Document number Edition Title
Document number DIN 1988-600/A1 Edition 2025-09 Title Codes of practice for drinking water installations - Part 600: Drinking water installations in connection with fire fighting and fire protection installations; Amendment A1 More 
Document number DIN 19294-2 Edition 2025-08 Title Devices for the disinfection of water using ultraviolet radiation - Part 2: Devices equipped with UV medium pressure lamps - Requirements and testing More  Read draft and comment
Document number DIN EN 14664 Edition 2025-08 Title Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate, solid; German and English version prEN 14664:2025 More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
Document number DIN EN 14944-4 Edition 2025-09 Procedure Standard Title Influence of cement based products on water intended for human consumption - Test methods - Part 4: Migration of substances from site-applied cement based materials and associated non-cement based products/materials; German version EN 14944-4:2025 More  Order from DIN Media
Document number DIN EN 14944-2 Edition 2025-09 Procedure Standard Title Influence of cement based products on water intended for human consumption - Test methods - Part 2: Influence of site-applied cement based materials and associated non-cement based products/materials on organoleptic parameters and migration of organic substances (TOC); German version EN 14944-2:2025 More  Order from DIN Media
Document number DIN 19683-9 Edition 2025-09 Procedure Standard Title Soil quality - Physical laboratory tests - Part 9: Determination of hydraulic conductivity in water-saturated undisturbed soil samples More  Order from DIN Media

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Documents withdrawn without replacement
Document number Deadline for comments Title
Document number DIN 4034-1 Deadline for comments 2025-07-31 Title Prefabricated concrete manholes, unreinforced, steel fibre and reinforced - Part 1: Requirements, test methods and marking for drains and sewers in addition to DIN EN 1917:2003-04 More  Comment 

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