Standards ČSN - Czech national standards - Page 6963

Water service branche pipes

WITHDRAWN published on 1.8.1994

Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C

Standard published on 1.10.2005

Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A

Standard published on 1.5.2021

Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A

WITHDRAWN published on 1.1.2021

Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 8 to DN 80 inclusive - Family D, type A

WITHDRAWN published on 1.10.2005

Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 inclusive - Family D, type B

Standard published on 1.10.2005

Devices to prevent pollution by backflow of potable water - Controllable blackflow preventer with reduced pressure zone - Family B - Type A

Standard published on 1.10.2023

Devices to prevent pollution by backflow of potable water - Controllable blackflow preventer with reduced pressure zone - Family B - Type A

WITHDRAWN published on 1.8.2003

Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A

WITHDRAWN published on 1.8.2023

Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D

WITHDRAWN published on 1.4.2004