LST EN 60534-2-5-2004 Industrial-process control valves. Part 2-5: Flow capacity. Sizing equations for fluid flow through multistage control valves with interstage recovery (IEC 60534-2-5:2003)
2004LST EN 60534-2-5-2004 Industrial-process control valves. Part 2-5: Flow capacity. Sizing equations for fluid flow through multistage control valves with interstage recovery (IEC 60534-2-5:2003)