API 608 Ball Valves Guide: Standard Scope, Testing, Materials and Selection

Learn what API 608 ball valves are, where they are used, and how to specify them for petroleum, petrochemical, chemical, refinery, utility, and general industrial pipeline applications. This guide explains API 608 scope, metal ball valve end connections, pressure classes, material selection, API 598 pressure and leakage testing, API 607 fire-safe options, API 608 vs API 6D differences, full-bore and reduced-bore selection, documentation requirements, and common mistakes buyers should avoid when sourcing API 608 ball valves.