AWWA C621-18 Internal Pipe Joint Seal Assemblies for Water Service

This standard describes plastic ball valves for water supply service. This standard covers threaded, union, fusion, or compression ended double- and single-seated nonmetallic ball valves for pressures 100 psi (689 kPa) and higher in sizes from 1/2-in. through 2-in. (13-mm through 50-mm) diameter for use in potable water systems with temperatures greater than 32 DegreesF (0 DegreesC) and less than 125 DegreesF (52 DegreesC). This standard can be referenced in specifications for purchasing and receiving plastic ball valves. This standard can be used as a guide for manufacturing this type of valve. The stipulations of this standard apply when this document has been referenced and only to plastic ball valves, 1/2-in. through 2-in. (13-mm through 50-mm) diameter, for water supply service applications.