1.1 This standard specifies the requirements for metal ball valves suitable for petroleum, petrochemical, and industrial applications- – . corresponding to the nominal pipe sizes in ASME B36. 10M that have:
– flanged ends in sizes DN 15 through DN 600 (NPS 12 through NPS 24);
– butt-welding ends in sizes DN 15 through DN 600 (NPS 12 through NPS 24);
– socket- welding ends in sizes DN 8 through DN 50 (NPS 1/4 through NPS 2); and
– threaded ends in sizes DN 8 through DN 50 (NPS 14 through NPS 2)
1.2 This standard applies to metal ball valves with pressure classes as follows:
– flanged ends in Classes 150, 300, and 600;
– butt-welding ends in Classes 150, 300, 600, and 800;
– socket-welding ends in Classes 150, 300, 600, and 800;
– threaded ends in Classes 150, 300, 600, and 800.
1.3 This standard establishes requirements for bore sizes described as:
– full bore;
– single reduced bore;
– double reduced bore.
