This standard is Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions; Corrigendum 1.
IEC 60534-2-1/COR1:2000 history
2015IEC 60534-2-1:2011/COR1:2015 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
2011IEC 60534-2-1:2011 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
1970IEC 60534-2-1:1998/COR1:2000 Corrigendum 1 - Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
1998IEC 60534-2-1:1998 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
IEC 60534-2-1/COR1:2000 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions; Corrigendum 1 was changed to IEC 60534-2-1:2011 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions.