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°F (0°C) and less than 125°F (52°C). The performance of products depends on proper installation. The purchaser must follow instructions supplied by or available from the manufacturer. If these instructions are not available, acceptable installation practices should be followed. This standard is the first edition.
