Most recent
AWWA C521-2018
Plastic Ball Valves
This standard describes plastic ball valves for water supply service. This standard covers threaded, union, fusion or compression ended double and single seated non-metallic ball valves for pressures 100 psi (700 kPa) and higher in sizes from ½ in. through 2 in. (13 mm through 50 mm) diameter for use in potable water systems with temperatures greater than 32°F (0°C) and less than 125°F (52°C).
Content Provider
AWWA: American Water Works Association [awwa]
