Historical
AWWA C510-2017
Double Check Valve Backflow Prevention Assembly
This standard describes the double check-valve 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 potable water lines.
AWWA: American Water Works Association [awwa]