This standard applies to flanged globe-style control valves@ sizes 1/2 inch (15 mm) through 16 inches (400 mm)@ having top@ top and bottom@ port@ or cage guiding. Purpose The purpose of this standard is to aid users in their piping design by providing ANSI Class 125 flat face@ and ANSI Classes 150@ 250@ 300@ and 600 raised face@ flanged control valve dimensions@ without giving special consideration of the equipment manufacturer to be used.
ISA 75.03-1992 history
1992ISA 75.03-1992 Face-to-Face Dimensions for Integral Flanged Globe-Style Control Valve Bodies (ANSI Classes 125@ 150@ 250@ 300@ and 600)