IEC-60534-1 Complete Document History
Industrial-process control valves - Part 1: Control valve terminology and general considerations

Complete Current Edition:
   EDITION 4.0 - Part 1: Control valve terminology and general considerations - May 1, 2023

Obsolete Revision Information:
   EDITION 3.0 - Part 1: Control valve terminology and general considerations - Jan. 1, 2005