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Hub and Clamp Reference Chart

Hub Size

Ring Gasket Clamp Number Stud Bolt Wrench Size Torque Ft. Lbs.

This chart specifically applies to Clamps manufactured by WOODCO USA for installation on Hubs designated in API Spec 16A, or Hubs otherwise designated by their manufacturer as designed to connect with API Spec 16A NUMBER IDENTIFIED CLAMPS.

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WOODCO USA provides Web Site Tools for identification, estimating, and reference only. Do not use this information for manufacturing or inspection. Users of these tools should not use them as a substitute for professional engineering advice.  Anyone making use of the information presented does so at his own risk and assumes any and all liability resulting from such use.

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P.O. Box 1261
Houston, Texas 77251-1261
Phone: 713-672-9491
USA and Canada 1-800-496-6326
Fax:  713-672-8768
www.woodcousa.com
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