Historical
AWWA C511-2017
Reduced-Pressure Principle Backflow Prevention Assembly
This standard describes the reduced-pressure principle backflow prevention assembly for potable water applications. The assembly shall be capable of withstanding a working water pressure of at least 150 psi (1,034 kPa) without damage to working parts or impairment of function and for operation on hot- or cold-water lines.
Content Provider
AWWA: American Water Works Association [awwa]