DS EN 12729 : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - CONTROLLABLE BACKFLOW PREVENTER WITH REDUCED PRESSURE ZONE - FAMILY B - TYPE A
13-03-2023
12-01-2013
Defines the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A.
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