What Standards are available governing the manufacture of backflow prevention assemblies?
Reduced Pressure Backflow Prevention Assemblies, Double Check Valve Assemblies, Pressure Vacuum Breakers and Atmospheric Breakers are specified by USC Foundation for Cross-connection Control, ANSI/AWWA and ASSE. Dual Check Valves and Hose Bibbs are specified by the ASSE Standards. Various manufactures carry backflow prevention devices meeting these standards, including Cla-Val, Febco, Hersey, Watts and Ames.