I found these following codes but i think its old versions only, could't find the new ones. hope it will help a little until new ones found.
1. IEC 60534-1-2005 : Industrial-process control valves - Part 1: Control valve terminology and general considerations.
2. IEC 60534-2-1:2011 (ISA-75.01.01-2012) : Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions.
3. IEC 60534-2-3:2015 : Industrial-process control valves - Part 2-3: Flow capacity - Test procedures.
5. IEC 60534-2-4:2009 (ISA-75.11.01-2013) : Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rangeability.
6. IEC 60534-7:2010 : Industrial-process control valves - Part 7: Control valve data sheet.
[link Point to another website Only the registered members can access]
[link Point to another website Only the registered members can access]
[link Point to another website Only the registered members can access]
[link Point to another website Only the registered members can access]
[link Point to another website Only the registered members can access]
[link Point to another website Only the registered members can access]
Regards
Bookmarks