GB/T 12221-2005 Structure length of metal valves

Date: 2026-03-23Views: 197

This standard specifies the structural length of flange connection valve, the structural length of the valve with welded end, the structural length of the valve with clamped connection, the structural length of the valve with internal threaded connection, the structural length of the valve with external threaded connection, and its structural dimensions of the limit deviation.