
Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A.
STANDARD published on 30.4.2009
Designation standards: BS EN 12729:2002
Note: WITHDRAWN
Publication date standards: 30.4.2009
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: British technical standard
Category: Technical standards BS