Applies to control valves, sizes 1 through 8 inches, incorporating clamp or pinch elements, and provides installed face-to-face dimensions for control valves which have flanges that mate with the Class 125 (PN20) flanges covered in ANSI B16.1-1975, and/or the Class 150 (PN20) flanges covered in ANSI B16.5-1981.
ANSI/ISA S75.08-1985 history
1985ANSI/ISA S75.08-1985 Installed Face-to-Face Dimensions for Flanged Clamp or Pinch Valves