SAI AS 2845.2
SA AS 28452 2010-JUN-30 Water supply—Backflow preventons devces Part 2 Regstered ar gaps and regstered break tanks
SA AS 28452 2010-JUN-30 Water supply—Backflow preventons devces Part 2 Regstered ar gaps and regstered break tanks
This Standard specifies requirements for registered air gaps, including those incorporated in break tanks, used as backflow prevention devices for the protection of water supplies.