This document applies to valves, sizes NPS ½ (DN 15) through NPS26 (DN 650), of the clamp or pinch valve design incorporating clampor pinch elements.
Purpose
The purpose of this document is to aid users in piping design byproviding installed face -to-face dimensions for control valvesthat incorporate clamp or pinch elements and have flanges that matewith 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 excludessolenoid-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. Someapplications are better suited to a shorter face-to-face, whereasothers need extra length. Users of pinch valves are advised todiscuss with the pinch valve manufacturers based on theirrequirements, their unique process conditions, and the type ofelastomer or rubber used.
All face-to-face dimensions in this document have been appliedsuccessfully throughout industry.
- Edition:
- 14
- Published:
- 04/15/2014
- ANSI:
- ANSI Approved
- Number of Pages:
- 14
- File Size:
- 1 file , 260 KB
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