Devices to prevent pollution by blackflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
NORM herausgegeben am 1.4.2003
Designation standards: ÖNORM EN 12729
Note: UNGÜLTIG
Publication date standards: 1.4.2003
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM