Normen ČSN - Tschechische nationale Normen - Seite Nr. 6998

Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specification

UNGÜLTIG herausgegeben am 1.1.2021

Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and D - General technical specification

UNGÜLTIG herausgegeben am 1.8.2008

Influence of materials on water intended for human consumption - GC-MS identification of water leachable organic substances

UNGÜLTIG herausgegeben am 1.10.2015

Valves and fittings for buildings and devices to prevent pollution by backflow of potable water - Polymer parts and housings under internal pressure and without external loads

Die Norm herausgegeben am 1.4.2025

Calculation of water installations inside buildings

Die Norm herausgegeben am 1.2.2014

Výpočet vnitřních vodovodů.

Änderung herausgegeben am 1.12.2018

Calculation of water installations inside buildings

UNGÜLTIG herausgegeben am 1.7.2007

Devices to prevent pollution by backflow of potable water - Unrestricted air gap-Family A - Type A

Die Norm herausgegeben am 1.12.2003

Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow

Die Norm herausgegeben am 1.11.2025

Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow

UNGÜLTIG herausgegeben am 1.4.2002