This document applies to valves@ sizes NPS ? (DN 15) through NPS 26 (DN 650)@ of the clamp or pinch valve design incorporating clamp or pinch elements. Purpose The purpose of this document is to aid users in piping design by providing installed face -to-face dimensions for control valves that incorporate clamp or pinch elements and have flanges that mate with ANSI B16.1 Class 125 and/or ANSI B16.5 Class 150 flanges. This document also applies to handwheel-operated pinch valves@ which have flanges that mate with Classes 125 and 150@ but excludes solenoid-actuated valves and direct fluid-actuated valves. Due to the extensive variety in applications for pinch valves@ it is not reasonable to standardize on only one set. Some applications are better suited to a shorter face-to-face@ whereas others need extra length. Users of pinch valves are advised to discuss with the pinch valve manufacturers based on their requirements@ their unique process conditions@ and the type of elastomer or rubber used. All face-to-face dimensions in this document have been applied successfully throughout industry.
ISA 75.10.02-2014 history
2014ISA 75.10.02-2014 Installed Face-to-Face Dimensions for Dual Pinch Flanged Clamp or Pinch Valves (Classes 125 and 150)
2008ISA 75.10.02-2008 Installed Face-to-Face Dimensions for Dual Pinch Flanged Clamp or Pinch Valves (Classes 125 and 150) [Superseded: ISA 75.08, ISA S75.08, ISA S75.08]