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Subject: Spherical Washers for API Clamps

 

Question:

Why do we need to use washers on the clamp securing our flexible manifold hose?

Answer:

We assume you have an armored  flexible hose with an API clamp hub, and you may have a WOODCO USA made clamp to connect it to another piece of equipment. The washers supplied by WOODCO USA, with each clamp sold, assure that each tightened nut on the clamp will have flat bearing against the clamp nut seating surface.

Clamp installation often results in the gap between clamp halves differing on the two sides causing the nut bearing surfaces to lack parallelism. Specially designed "Spherical Washers", two installed in proper order under each nut, corrects for the lack of parallelism and equalizes the load on the tightened nuts.

For specific instructions on clamp installation and correct installation of washers, see https://www.woodcousa.com/clamp-install.htm . To obtain a printed copy of these instructions scroll down the page to find a link to a PDF document.  

 

Click here for catalog pages that provide part numbers for Clamp Washers, Nuts and Bolts.

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Phone: 713-672-9491
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www.woodcousa.com
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