KS C IEC 60534-3-2004(2009) Industrial-process control valves-Part 3:Dimensions-Section One:Face-to-face dimensions for flanged, two-way, globe-type control valves
2004KS C IEC 60534-3:2004 Industrial-process control valves-Part 3:Dimensions-Section One:Face-to-face dimensions for flanged, two-way, globe-type control valves