NA 003

DIN Standards Committee Valves

About NAA

The scope of the DIN Standards Committee Valves (NAA) includes the national, European and international standardization of valves/fittings as defined in DIN EN 736-1. In particular, the principles for

  • basic standards,
  • product standards
  • and performance standards

for industrial and building valves/fittings are covered by the DIN Standards Committee Valves.

The following are not included in the scope: standardization of

  • pipe fittings (e.g. flanges and connection thread),
  • fire extinguisher valves/fittings (except hydrants),
  • gas cylinder valves,
  • valves for use in refrigeration technology.

How is NAA composed?


DIN e. V.

Jan Dittberner

Saatwinkler Damm 42/43
13627 Berlin

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New projects
Document number Begin Title
DIN EN ISO 4126-6 rev 2020-03-23 Sicherheitseinrichtungen gegen unzulässigen Überdruck - Teil 6: Anwendung, Auswahl und Einbau von Berstscheibeneinrichtungen More  Comment 
ISO/AWI 4126-6 2020-03-16 Safety devices for protection against excessive pressure - Part 6: Application, selection and installation of bursting disc safety devices More  Comment 
DIN EN 10357 rev 2020-03-11 Austenitische, austenitisch-ferritische und ferritische längsnahtgeschweißte Rohre aus nichtrostendem Stahl für die Lebensmittel- und chemische Industrie More  Comment 

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Current Draft Standards
Document number Edition Title
DIN EN 12729 2020-07 Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A; German and English version prEN 12729:2020 More 
DIN EN 246 2020-07 Sanitary tapware - General specifications for aerators; German and English version prEN 246:2020 More 
DIN EN 13433 2020-05 Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A; German and English version prEN 13433:2020 More  Read draft and comment

All draft standards  

New standards
Document number Edition Title
DIN 11865 2020-07 Stainless steel components for aseptic applications in the chemical and the pharmaceutical industries - Tees, elbows and reducers More  Order from Beuth Verlag
DIN EN ISO 22109 2020-06 Industrial valves - Gearbox for valves (ISO 22109:2020); German version EN ISO 22109:2020 More  Order from Beuth Verlag
ISO 8659 2020-04 Thermoplastics valves - Fatigue strength - Test method More  Order from Beuth Verlag

All standards