Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A

Standard published on 1.4.2022

Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A

WITHDRAWN published on 1.7.2006

Devices to prevent pollution by backflow of potable water - Mechanical disconnector, flow actuated - Family G, Type B

Standard published on 1.4.2022

Devices to prevent pollution by backflow of potable water - Mechanical disconnector, hydraulic actuated - Family G, type B

WITHDRAWN published on 1.7.2006

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

Standard published on 1.12.2003

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

Standard published on 1.6.2023

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

WITHDRAWN published on 1.8.2003

Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B

Standard published on 1.6.2023

Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B

WITHDRAWN published on 1.11.2008

Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B

WITHDRAWN published on 1.6.2004