SAI AS 2845.3
SA AS 28453 2010-JUN-30 Water supply—Backflow preventon devces Part 3 Feld testng and mantenance of testable devces-ncorporatng Amendment 1 October 2010
SA AS 28453 2010-JUN-30 Water supply—Backflow preventon devces Part 3 Feld testng and mantenance of testable devces-ncorporatng Amendment 1 October 2010
This Standard specifies requirements for field testing and maintenance of the following backflow prevention devices:
(a) Registered break tank (RBT).
(b) Registered air gap (RAG).
(c) Pressure–type vacuum-breaker (PVB).
(d) Spill resistant pressure vacuum breaker (SPVB).
(e) Reduce-pressure-zone device (RPZD).
(f) Double check-valve (DCV). (g) Reduced pressure detector assembly (RPDA).
(h) Double check detector assembly (DCDA).
(i) Single check-valve (testable) (SCVT).
(j) Single check detector assembly (testable) (SCDAT).